CECO 10-Q Quarterly Report Sept. 30, 2025 | Alphaminr
CECO ENVIRONMENTAL CORP

CECO 10-Q Quarter ended Sept. 30, 2025

CECO ENVIRONMENTAL CORP
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10-Q
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark one)

Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended September 30, 2025

or

Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from to

Commission File No. 0-07099

img59518278_0.jpg

CECO ENVIRONMENTAL CORP.

(Exact name of registrant as specified in its charter)

Delaware

13-2566064

(State or other jurisdiction of

Incorporation or organization)

(IRS Employer

Identification No.)

5080 Spectrum Drive

Suite 800E

Addison , Texas

75001

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: ( 214 ) 357-6181

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, par value $0.01 per share

CECO

The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Accelerated filer

Non-accelerated filer

Smaller reporting company

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No

The number of shares outstanding of each of the issuer’s classes of common equity, as of the latest practical date: 35,641,031 shares of common stock, par value $0.01 per share, as of October 17, 2025.


CECO ENVIRONMENTAL CORP.

QUARTERLY REPORT ON FORM 10-Q

For the quarter ended September 30, 2025

Table of Contents

Part I –

Financial Information

2

Item 1. Financial Statements

2

Condensed Consolidated Balance Sheets as of September 30, 2025 and December 31, 2024

2

Condensed Consolidated Statements of Income for the three and nine months ended September 30, 2025 and 2024

3

Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2025 and 2024

4

Condensed Consolidated Statements of Shareholders’ Equity for the nine months ended September 30, 2025 and 2024

5

Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2025 and 2024

7

Notes to Condensed Consolidated Financial Statements

8

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

26

Item 3. Quantitative and Qualitative Disclosures about Market Risk

33

Item 4. Controls and Procedures

34

Part II –

Other Information

35

Item 1. Legal Proceedings

35

Item 1A. Risk Factors

35

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

35

Item 3. Defaults Upon Senior Securities

35

Item 4. Mine Safety Disclosures

35

Item 5. Other Information

35

Item 6. Exhibits

36

Signatures

37

1


CECO ENVIRONMENTAL CORP.

PART I – FINANC IAL INFORMATION

ITEM 1. FINANC IAL STATEMENTS

CONDENSED CONSOLIDA TED BALANCE SHEETS

(unaudited)

(in thousands, except per share data)

September 30, 2025

December 31, 2024

ASSETS

Current assets:

Cash and cash equivalents

$

32,787

$

37,832

Restricted cash

86

369

Accounts receivable, net of allowances of $ 8,496 and $ 8,863

159,615

159,572

Costs and estimated earnings in excess of billings on uncompleted contracts

109,826

69,889

Inventories

57,712

42,624

Prepaid expenses and other current assets

29,110

16,859

Prepaid income taxes

6,344

3,826

Total current assets

395,480

330,971

Property, plant and equipment, net

48,037

33,810

Right-of-use assets from operating leases

27,679

25,102

Goodwill

292,262

269,747

Intangible assets – finite life, net

100,986

74,050

Intangible assets – indefinite life

9,715

9,466

Deferred income taxes

1,162

966

Deferred charges and other assets

16,563

15,587

Total assets

$

891,884

$

759,699

LIABILITIES AND SHAREHOLDERS’ EQUITY

Current liabilities:

Current portion of debt

$

1,928

$

1,650

Accounts payable

127,576

109,671

Accrued expenses

60,632

47,528

Billings in excess of costs and estimated earnings on uncompleted contracts

107,361

81,501

Notes payable

1,700

Income taxes payable

793

2,612

Total current liabilities

298,290

244,662

Other liabilities

3,194

14,362

Debt, less current portion

218,980

217,230

Deferred income tax liability, net

34,571

11,322

Operating lease liabilities

23,282

20,230

Total liabilities

578,317

507,806

Commitments and contingencies (See Note 14)

Shareholders’ equity:

Preferred stock, $ 0.01 par value; 10,000 shares authorized, none issued

Common stock, $ 0.01 par value; 100,000,000 shares authorized, 35,641,031 and
34,978,009 shares issued and outstanding at September 30, 2025 and December 31, 2024, respectively

355

349

Capital in excess of par value

265,786

255,211

Retained earnings

53,563

6,570

Accumulated other comprehensive loss

( 10,498

)

( 14,441

)

Total CECO shareholders' equity

309,206

247,689

Noncontrolling interest

4,361

4,204

Total shareholders' equity

313,567

251,893

Total liabilities and shareholders' equity

$

891,884

$

759,699

The notes to the condensed consolidated financial statements are an integral part of the above statements.

2


CONDENSED CONSOLI DATED STATEMENTS OF INCOME

(unaudited)

Three months ended September 30,

Nine months ended September 30,

(in thousands, except share and per share data)

2025

2024

2025

2024

Net sales

$

197,599

$

135,513

$

559,687

$

399,367

Cost of sales

133,020

90,247

365,838

259,921

Gross profit

64,579

45,266

193,849

139,446

Selling and administrative expenses

47,034

34,262

149,393

105,636

Amortization expenses

6,144

2,164

12,177

6,478

Acquisition and integration expenses

252

1,210

8,427

1,876

Loss (gain) on sale of Global Pump Solutions business

801

( 63,701

)

Other operating expense (income), net

948

443

( 1,778

)

1,327

Income from operations

9,400

7,187

89,331

24,129

Other expense, net

2,056

398

1,196

2,589

Interest expense

5,054

2,648

16,169

9,315

Income before income taxes

2,290

4,141

71,966

12,225

Income tax expense

483

1,602

23,610

2,664

Net income

1,807

2,539

48,356

9,561

Noncontrolling interest

308

453

1,363

1,482

Net income attributable to CECO Environmental Corp.

$

1,499

$

2,086

$

46,993

$

8,079

Earnings per share:

Basic

$

0.04

$

0.06

$

1.33

$

0.23

Diluted

$

0.04

$

0.06

$

1.29

$

0.22

Weighted average number of common shares outstanding:

Basic

35,359,969

34,966,625

35,225,740

34,910,165

Diluted

36,396,693

36,488,788

36,549,130

36,322,690

The notes to the condensed consolidated financial statements are an integral part of the above statements.

3


CONDENSED CONSOLIDATED STATEMENT S OF COMPREHENSIVE INCOME

(unaudited)

Three months ended September 30,

Nine months ended September 30,

(in thousands)

2025

2024

2025

2024

Net income

$

1,807

$

2,539

$

48,356

$

9,561

Other comprehensive income, net of tax:

Foreign currency translation gain

2,020

2,102

3,943

1,900

Comprehensive income

$

3,827

$

4,641

$

52,299

$

11,461

The notes to the condensed consolidated financial statements are an integral part of the above statements.

4


CONDENSED CONSOLIDATED STAT EMENTS OF SHAREHOLDERS’ EQUITY

(unaudited)

Common Stock

Capital in
excess of

Retained

Accumulated
Other
Comprehensive

Non-controlling

Total
Shareholders'

Shares

Amount

par value

Earnings

Loss

interest

Equity

Balance December 31, 2024

34,978

$

349

$

255,211

$

6,570

$

( 14,441

)

$

4,204

$

251,893

Net income for the three months ended March 31, 2025

35,984

458

36,442

Restricted stock units issued

260

3

( 3,045

)

( 3,042

)

Share based compensation earned

12

3,641

3,641

Translation gain

1,519

1,519

Noncontrolling interest distributions

( 402

)

( 402

)

Balance March 31, 2025

35,250

$

352

$

255,807

$

42,554

$

( 12,922

)

$

4,260

$

290,051

Net income for the three months ended June 30, 2025

9,510

595

10,105

Exercise of stock options

1

5

5

Restricted stock units issued

57

( 224

)

( 224

)

Share based compensation earned

2,878

2,878

Translation gain

404

404

Balance June 30, 2025

35,308

$

352

$

258,466

$

52,064

$

( 12,518

)

$

4,855

$

303,219

Net income for the three months ended September 30, 2025

1,499

308

1,807

Exercise of stock options

300

3

3,814

3,817

Restricted stock units issued

13

( 253

)

( 253

)

Share based compensation earned

20

3,759

3,759

Translation gain

2,020

2,020

Noncontrolling interest distributions

( 802

)

( 802

)

Balance September 30, 2025

35,641

$

355

$

265,786

$

53,563

$

( 10,498

)

$

4,361

$

313,567

5


Common Stock

Capital in
excess of

Accumulated

Accumulated
Other
Comprehensive

Non-controlling

Total
Shareholders'

Shares

Amount

par value

Loss

Loss

interest

Equity

Balance December 31, 2023

34,835

$

348

$

254,956

$

( 6,387

)

$

( 16,274

)

$

4,848

$

237,491

Net income for the three months ended March 31, 2024

1,508

585

2,093

Exercise of stock options

10

113

113

Restricted stock units issued

195

2

( 2,204

)

( 2,202

)

Share based compensation earned

12

1,808

1,808

Common stock repurchase and retirement

( 144

)

( 1

)

( 3,000

)

( 3,001

)

Translation gain

654

654

Noncontrolling interest distributions

( 804

)

( 804

)

Balance March 31, 2024

34,908

$

349

$

251,673

$

( 4,879

)

$

( 15,620

)

$

4,629

$

236,152

Net income for the three months ended June 30, 2024

4,485

445

4,930

Exercise of stock options

10

161

161

Restricted stock units issued

92

1

( 466

)

( 465

)

Share based compensation earned

2,191

2,191

Common stock repurchase and retirement

( 86

)

( 1

)

( 1,999

)

( 2,000

)

Translation loss

( 856

)

( 856

)

Noncontrolling interest distributions

( 301

)

( 301

)

Balance June 30, 2024

34,924

$

349

$

251,560

$

( 394

)

$

( 16,476

)

$

4,773

$

239,812

Net income for the three months ended September 30, 2024

2,086

453

2,539

Exercise of stock options

8

94

94

Restricted stock units issued

27

( 340

)

( 340

)

Share based compensation earned

20

2,276

2,276

Translation gain

2,102

2,102

Noncontrolling interest distributions

( 602

)

( 602

)

Balance September 30, 2024

34,979

$

349

$

253,590

$

1,692

$

( 14,374

)

$

4,624

$

245,881


The notes to the condensed consolidated financial statements are an integral part of the above statements.

6


CONDENSED CONSOLIDATED S TATEMENTS OF CASH FLOWS

(unaudited)

Nine months ended September 30,

(in thousands)

2025

2024

Cash flows from operating activities:

Net income

$

48,356

$

9,561

Adjustments to reconcile net income to net cash (used in) provided by operating activities:

Depreciation and amortization

18,726

10,536

Unrealized foreign currency (gain) loss

( 2,219

)

201

Gain on sale of Global Pump Solutions business

( 63,701

)

Fair value adjustment to earnout liabilities

( 7,403

)

400

Loss on sale of property and equipment

46

135

Debt discount amortization

631

357

Share-based compensation expense

9,507

5,790

Provision for credit loss

209

404

Inventory reserve expense

( 132

)

850

Deferred income tax expense

6,322

77

Changes in operating assets and liabilities, net of acquisitions and divestiture:

Accounts receivable

5,822

9,653

Costs and estimated earnings in excess of billings on uncompleted contracts

( 38,605

)

( 1,498

)

Inventories

( 6,477

)

( 4,305

)

Prepaid expense and other current assets

( 15,302

)

( 18,059

)

Deferred charges and other assets

( 5,597

)

( 2,755

)

Accounts payable

15,834

15,387

Accrued expenses

15,970

( 550

)

Billings in excess of costs and estimated earnings on uncompleted contracts

21,193

7,286

Income taxes payable

( 4,142

)

( 1,140

)

Other liabilities

( 3,139

)

( 9,330

)

Net cash (used in) provided by operating activities

( 4,100

)

23,000

Cash flows from investing activities:

Acquisitions of property and equipment

( 8,673

)

( 11,237

)

Net cash proceeds for sale of Global Pump Solutions business

107,808

Net cash paid for acquisitions, net of cash acquired

( 97,615

)

( 14,954

)

Net cash provided by (used in) investing activities

1,520

( 26,191

)

Cash flows from financing activities:

Borrowings on revolving credit lines

185,800

58,400

Repayments on revolving credit lines

( 183,700

)

( 54,800

)

Repayments of long-term debt

( 1,230

)

( 7,843

)

Payments on finance leases and financing liability

( 643

)

( 692

)

Deferred consideration paid for acquisitions

( 2,787

)

( 2,050

)

Earnout payments

( 1,672

)

Equity awards surrendered by employees for tax liability, net of proceeds from employee stock purchase plan and exercise of stock options

930

846

Noncontrolling interest distributions

( 1,204

)

( 1,707

)

Common stock repurchased

( 5,000

)

Net cash used in financing activities

( 2,834

)

( 14,518

)

Effect of exchange rate changes on cash, cash equivalents and restricted cash

86

1,187

Net decrease in cash, cash equivalents and restricted cash

( 5,328

)

( 16,522

)

Cash, cash equivalents and restricted cash at beginning of period

38,201

55,448

Cash, cash equivalents and restricted cash at end of period

$

32,873

$

38,926

Cash paid during the period for:

Interest

$

15,861

$

9,714

Income taxes

$

22,424

$

6,779

The notes to the condensed consolidated financial statements are an integral part of the above statements.

7


CECO ENVIRONMENTAL CORP.

N OT ES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. Basis of Reporting for Consolidated Financial Statements

The accompanying unaudited condensed consolidated financial statements of CECO Environmental Corp. and its subsidiaries (the “Company,” “CECO,” “we,” “us,” or “our”) have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been condensed or omitted pursuant to those rules and regulations. In the opinion of management, the accompanying unaudited condensed consolidated financial statements of the Company contain all adjustments, consisting only of normal recurring adjustments, necessary to present fairly the financial position as of September 30, 2025 and the results of operations, cash flows and shareholders’ equity for the three and nine months ended September 30, 2025 and 2024. The results of operations for the three and nine months ended September 30, 2025 are not necessarily indicative of the results to be expected for the full year. The balance sheet as of December 31, 2024 has been derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 as filed with the SEC on February 25, 2025 (the “Form 10-K”). Certain prior period amounts were reclassified to conform to the presentation in the current period.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

These financial statements and accompanying notes should be read in conjunction with the audited financial statements and the notes thereto included in the Form 10-K.

Unless otherwise indicated, all balances within tables are in thousands, except per share amounts.

2. Recent Financial Accounting Pronouncements

The Company considered the impact of all Accounting Standards Updates ("ASUs") issued by the Financial Accounting Standards Board ("FASB"). The ASUs issued but not listed below were assessed and determined to be either not applicable or are expected to have minimal impact on the Company's consolidated financial statements.

Accounting Standards Adopted in Fiscal 2025

None.

Accounting Standards to be Adopted

In September 2025, the FASB issued ASU 2025-06, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, which removes references to project stages, and requires capitalization of software costs to begin when management has authorized and committed to funding the software project, and it is probable that the project will be completed and the software will be used to perform the intended function. The ASU is effective for fiscal years beginning after December 15, 2027, and interim periods within those annual reporting periods. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s consolidated financial statements.

In July 2025, the FASB issued ASU 2025-05, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, which introduces a practical expedient for estimating credit losses on current accounts receivable and contract assets. The ASU is effective for fiscal years beginning after December 15, 2025, and interim periods within those annual reporting periods. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s consolidated financial statements.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which addresses annual income tax disclosure requirements, primarily around the disclosure of the rate reconciliation and income taxes paid. The ASU is effective for fiscal years beginning after December 15, 2024. The Company is currently

8


evaluating the impact the adoption of the standard will have on the Company’s consolidated financial statements and will adopt the new annual disclosures as required for the fiscal year ended December 31, 2025.

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which addresses expense disclosure requirements, primarily the disaggregation of expense captions. The ASU is effective for fiscal years beginning after December 15, 2026, and interim periods beginning after December 15, 2027. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s consolidated financial statements.

3. Accounts Receivable

Accounts receivable as of September 30, 2025 and December 31, 2024 consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Accounts receivable

$

168,111

$

168,435

Provision for credit losses

( 8,496

)

( 8,863

)

Total accounts receivable, net

$

159,615

$

159,572

Accounts receivable, net as of the beginning of the prior year period, or January 1, 2024, were $ 112.7 million.

Balances billed but not paid by customers under retainage provisions in contracts within the Condensed Consolidated Balance Sheets amounted to approximately $ 15.2 million and $ 13.6 million at September 30, 2025 and December 31, 2024, respectively. Retainage receivables on contracts in progress are generally collected up to 24 months following contract completion, and are recorded in either "Accounts receivable, net" or "Deferred charges and other assets" within the Condensed Consolidated Balance Sheets depending on timing of expected collection.

Provision for credit losses activity for the nine months ended September 30, 2025 and 2024 consisted of the following:

Nine months ended September 30,

(in thousands)

2025

2024

Balance at beginning of period

$

8,863

$

6,460

Write-offs

( 1,353

)

( 4

)

Changes to the provision

1,090

763

Recoveries

( 104

)

( 5

)

Balance at end of period

$

8,496

$

7,214

4. Contract Assets and Liabilities

Contract assets and liabilities as of September 30, 2025 and December 31, 2024 consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Costs and estimated earnings in excess of billings on uncompleted contracts

$

109,826

$

69,889

Billings in excess of costs and estimated earnings on uncompleted contracts

107,361

81,501

As of the beginning of the prior year period, or January 1, 2024, costs and estimated earnings in excess of billings on uncompleted contracts and billings in excess of costs and estimated earnings on uncompleted contracts were $ 66.6 million and $ 56.9 million, respectively. The contract liabilities recorded in “Accrued expenses” on the Condensed Consolidated Balance Sheets were $ 14.8 million, $ 9.7 million and $ 7.9 million as of September 30, 2025, December 31, 2024 and January 1, 2024, respectively. Approximately 80 % of the Company's contract liabilities as of December 31, 2024 were recognized as revenue in the nine months ended September 30, 2025 .

9


5. Inventories

Inventories as of September 30, 2025 and December 31, 2024 consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Raw materials

$

17,918

$

24,803

Work in process

18,609

14,532

Finished goods

21,185

3,289

Total inventories

$

57,712

$

42,624

Adjustments to the allowance for obsolete inventory, as recorded to cost of sales, amounted to a decrease of $ 0.3 million and increase of $ 0.2 million for the three months ended September 30, 2025 and 2024 , respectively, and a decrease of $ 0.1 million and increase of $ 0.8 million for the nine months ended September 30, 2025 and 2024 , respectively.

.

6. Goodwill and Intangible Assets

Goodwill and indefinite life intangible asset activity for the nine months ended September 30, 2025 and the year ended December 31, 2024 was as follows:

(in thousands)

Nine months ended September 30, 2025

Year ended December 31, 2024

Goodwill / Tradename

Goodwill

Tradename

Goodwill

Tradename

Balance at beginning of period

$

269,747

$

9,466

$

211,326

$

9,570

Acquisitions

46,365

59,115

Divestiture

( 26,838

)

Foreign currency translation

2,988

249

( 694

)

( 104

)

Balance at end of period

$

292,262

$

9,715

$

269,747

$

9,466

During the nine months ended September 30, 2025 , the Company recorded measurement period adjustments related to the acquisitions of WK Germany KG, GmbH and WK Asia-Pacific Pte. Ltd. (collectively, "WK Group") and Verantis Environmental Solutions Group ("Verantis"), as discussed in Note 15, resulting in increases to goodwill as of the acquisition dates of $ 10.5 million and $ 10.3 million, respectively. These adjustments relate to working capital and the associated tax balances. During the nine months ended September 30, 2025, the Company completed its acquisition of Profire Energy, Inc. ("Profire"), as discussed in Note 15, and its divestiture of its Fluid Handling business, also known as its Global Pump Solutions business, as discussed in Note 16.

Finite life intangible assets as of September 30, 2025 and December 31, 2024 consisted of the following:

September 30, 2025

December 31, 2024

(in thousands)

Cost

Accum. Amort.

Cost

Accum. Amort.

Technology

$

22,314

$

14,586

$

20,614

$

14,769

Customer lists

140,337

59,214

127,354

70,045

Tradenames

17,660

5,615

18,530

6,392

Foreign currency adjustments

207

117

( 2,770

)

( 1,528

)

Total intangible assets – finite life

$

180,518

$

79,532

$

163,728

$

89,678

10


Finite life intangible asset activity for the nine months ended September 30, 2025 and 2024 was as follows:

Nine months ended September 30,

(in thousands)

2025

2024

Intangible assets – finite life, net at beginning of period

$

74,050

$

50,461

Amortization expense

( 12,177

)

( 6,478

)

Acquisitions

41,810

7,250

Divestiture

( 4,029

)

Foreign currency adjustments

1,332

314

Intangible assets – finite life, net at end of period

$

100,986

$

51,547

Amortization expense of finite life intangible assets was $ 6.1 million and $ 2.2 million for the three months ended September 30, 2025 and 2024, respectively, and $ 12.2 million and $ 6.5 million for the nine months ended September 30, 2025 and 2024, respectively. Amortization over the next five years for finite life intangibles is expected to be $ 4.3 million for the remainder of 2025, $ 16.3 million in 2026, $ 15.4 million in 2027, $ 14.5 million in 2028, $ 12.8 million in 2029, and $ 40.5 million thereafter. The weighted average amortization periods for finite life intangible assets was 8.1 years as of September 30, 2025, inclusive of weighted average amortization periods for technology, customer lists, and tradenames of 5.9 , 8.5 , and 7.5 years, respectively.

Annually during the fourth quarter, or more often as circumstances require, the Company completes an impairment assessment of its goodwill and indefinite life intangible assets at the reporting unit level. As a part of its annual assessment, the Company first qualitatively assesses whether current events or changes in circumstances lead to a determination that it is more likely than not, defined as a likelihood of more than 50 percent, that the fair value of a reporting unit is less than its carrying amount. If there is a qualitative determination that the fair value of a particular reporting unit is more likely than not greater than its carrying value, the Company does not need to quantitatively test for impairment for that reporting unit. If this qualitative assessment indicates a more likely than not potential that the asset may be impaired, the estimated fair value is determined using a weighting of the income method and the market method. If the estimated fair value of a reporting unit is less than its carrying value, an impairment charge is recorded.

Additionally, property, plant and equipment and finite life intangible assets are reviewed whenever events or changes in circumstances occur that indicate possible impairment. If events or changes in circumstances occur that indicate possible impairment, the impairment review is based on an undiscounted cash flows analysis at the lowest level at which cash flows of the long-lived assets are largely independent of other groups of assets and liabilities. When impairment is indicated, the estimated future cash flows are then discounted to determine the estimated fair value of the asset or asset group and an impairment charge is recorded for the difference between the carrying value and the estimated fair value.

The Company did not identify any triggering events that would require an interim impairment assessment, or record an impairment of goodwill, indefinite life intangible assets, finite life intangible assets or property, plant and equipment during the three or nine months ended September 30, 2025.

The Company’s assumptions about future conditions important to its assessment of potential impairment are subject to uncertainty, and the Company will continue to monitor these conditions in future periods as new information becomes available, and will update its analysis accordingly.

7. Accrued Expenses

Accrued expenses as of September 30, 2025 and December 31, 2024 consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Compensation and related benefits

$

15,330

$

12,274

Contract liability

14,788

9,746

Accrued warranty

5,405

4,558

Short-term operating lease liability

3,763

4,262

Other

21,346

16,688

Total accrued expenses

$

60,632

$

47,528

11


8. Senior Debt

Debt as of September 30, 2025 and December 31, 2024 consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Outstanding borrowings under Credit Facility (defined below)

Revolving credit facility

$

216,300

$

214,200

Total outstanding borrowings under the Credit Facility

216,300

214,200

Outstanding borrowings under the joint venture term debt

6,060

7,297

Other borrowings

561

Unamortized debt discount

( 2,013

)

( 2,617

)

Total outstanding borrowings

220,908

218,880

Less: current portion

( 1,928

)

( 1,650

)

Total debt, less current portion

$

218,980

$

217,230

Scheduled principal payments under the Credit Facility and joint venture term debt are $ 0.4 million for the remainder of 2025, $ 1.9 million in 2026, and $ 3.9 million in 2027. The remaining $ 216.3 million will be paid upon maturity in 2029.

Credit Facility

On October 7, 2024, the Company entered into the Third Amended and Restated Credit Agreement (the “Credit Agreement”), among the Company, its subsidiaries from time to time party thereto, the lenders from time to time party thereto (the “Lenders”) and Bank of America, N.A., as administrative agent (the “Agent”), which amended and restated in its entirety the Company’s Second Amended and Restated Credit Agreement, dated as of June 11, 2019, among the Company, its subsidiaries from time to time party thereto, the lenders from time to time party thereto and the Agent. The Credit Agreement provides for a senior secured revolving credit facility in an initial aggregate principal amount of up to $ 400.0 million (the "Credit Facility”).

As of September 30, 2025 and December 31, 2024, $ 24.4 million and $ 18.9 million of letters of credit were outstanding, respectively. Total unused credit availability, in consideration of borrowing limitations, under the Company’s Credit Facility was $ 109.1 million and $ 1.0 million at September 30, 2025 and December 31, 2024, respectively. Revolving loans may be borrowed, repaid and reborrowed until October 7, 2029, at which time all outstanding balances of the Credit Facility must be repaid.

The Credit Facility accrues interest (a) with respect to base rate loans, at an annual rate equal to an applicable rate of between 0.75 % and 2.25 % (fluctuating based on the Company’s Consolidated Net Leverage Ratio), plus a rate equal to the highest of (1) the Agent’s prime rate, (2) the federal funds rate plus one-half of 1.00 %, (3) Daily Simple SOFR (as defined in the Credit Agreement) plus 1.00 % and (4) 1.00 %, (b) for all other loans, at an annual rate equal to an applicable rate of between 1.75 % and 3.25 % (fluctuating based on the Company’s Consolidated Net Leverage Ratio), plus a rate determined based on the denominated currency and, as applicable pursuant to the Credit Agreement, whether the Company has elected for interest on such loans to accrue at a daily rate or a term rate: (a) for term rate loans, if denominated (1) in U.S. Dollars, Term SOFR (as defined in the Credit Agreement inclusive of a 0.10 % per annum adjustment), (2) in euros, EURIBOR, (3) in Canadian dollars, the Term CORRA Rate (as defined in the Credit Agreement) plus 0.29547 % for a one-month interest period and 0.32138 % for a three-month interest period or (4) in a currency other than (1)-(3), the rate per annum as designated with respect to such currency at the time such currency was approved by the Agent and the other Lenders or, if such rate is unavailable on any date of determination for any reason, a comparable or successor rate approved by the Agent, and (b) for daily rate loans, if denominated (1) in U.S. dollars, Daily Simple SOFR (as defined in the Credit Agreement inclusive of a 0.10 % per annum adjustment), (2) in pounds sterling, a rate per annum equal to SONIA (as defined in the Credit Agreement) plus 0.0326 % per annum or (3) in a currency other than (1) or (2), the rate per annum as designated with respect to such currency at the time such currency was approved by the Agent and the other Lenders or, if such rate is unavailable on any date of determination for any reason, a comparable or successor rate approved by the Agent.

Interest on Base Rate loans is payable quarterly in arrears on the last day of each calendar quarter and at maturity. Interest on Term SOFR rate loans is payable on the last date of each applicable Interest Period (as defined in the Credit Agreement), but in no event less than once every three months and at maturity. The weighted average stated interest rate on outstanding borrowings was 7.02 % and 7.07 % at September 30, 2025 and December 31, 2024, respectively. The effective interest rate was 7.12 % and 7.82 % at September 30, 2025 and December 31, 2024, respectively.

12


With respect to financial covenants, the Company is required to maintain a Consolidated Net Leverage Ratio not greater than 4.00 to 1.00 and a Consolidated Secured Net Leverage Ratio (as defined in the Credit Agreement) not greater than 3.00 to 1.00, in each case as of the last day of each fiscal quarter of the Company. At the election of the Company and subject to certain restrictions contained in the Credit Agreement, following the occurrence of a Permitted Acquisition (as defined in the Credit Agreement) involving aggregate consideration of $ 15.0 million or more, such maximum Consolidated Net Leverage Ratio and Consolidated Secured Net Leverage Ratio may be increased to 4.50 to 1.00 and 3.50 to 1.00, respectively, for the fiscal quarter in which such Permitted Acquisition is consummated and the subsequent three fiscal quarters of the Company. In the first quarter of 2025, the Company entered into an Elevated Ratio Period resulting in a maximum Consolidated Net Leverage Ratio of 4.50 and Consolidated Secured Net Leverage Ratio of 3.50 . This Elevated Ratio will be in effect for a maximum of four quarters, after which the Consolidated Net Leverage Ratio will revert to 4.00 and the Consolidated Secured Net Leverage Ratio will revert to 3.00 . The Company is also required to maintain a Consolidated Fixed Charge Coverage Ratio (as defined in the Credit Agreement) as of the last day of each fiscal quarter of the Company of not less than 1.25 to 1.00 .

The Company has granted a security interest in substantially all of its assets to secure its obligations pursuant to the Credit Facility. The Company’s obligations under the Credit Facility are guaranteed by the Company’s domestic subsidiaries and such guaranty obligations are secured by a security interest on substantially all the assets of such subsidiaries, including certain real property. The Company’s obligations under the Credit Facility may also be guaranteed by the Company’s material foreign subsidiaries to the extent no adverse tax consequences would result to the Company.

As of September 30, 2025 and December 31, 2024, the Company was in compliance with all related financial and other restrictive covenants under the Credit Facility.

Joint Venture Debt

On March 7, 2022, the Effox-Flextor-Mader, Inc. joint venture ("EFM JV"), for which the Company holds 63 % of the equity, entered into a loan agreement secured by the assets of the EFM JV in the aggregate principal amount of $ 11.0 million for the acquisition of General Rubber, LLC. As of September 30, 2025 and December 31, 2024, $ 6.1 million and $ 7.3 million was outstanding under the loan, respectively. Principal will be paid back to the lender monthly with the final installment due by February 27, 2027. Interest is accrued at the per annum rate based on EFM JV's choice of the 1/3/6 month Term SOFR rate plus 3.25%, with a floor rate of 3.75%. Interest is paid monthly on the last day of each month. The interest rate at September 30, 2025 and December 31, 2024 was 7.27 % and 7.96 % , respectively. As of September 30, 2025 and December 31, 2024, the EFM JV was in compliance with all related financial and other restrictive covenants under this loan agreement. This loan balance does not impact the Company’s borrowing capacity or the financial covenants under the Credit Facility. As of September 30, 2025, there were $ 17.9 million in current assets (including $ 2.4 million of cash, $ 8.5 million of accounts receivable, and $ 4.6 million of inventories), $ 24.6 million in long-lived assets (including $ 24.1 million of goodwill and intangible assets), and $ 15.3 million in total liabilities (including $ 6.1 million of debt and $ 5.5 million of accounts payable and accrued expenses) related to the EFM JV included in the Condensed Consolidated Balance Sheets. As of December 31, 2024 , there were $ 16.2 million in current assets (including $ 2.9 million of cash, $ 7.9 million of accounts receivable, and $ 3.9 million of inventories), $ 25.4 million in long-lived assets (including $ 24.8 million of goodwill and intangible assets), and $ 14.0 million in total liabilities (including $ 7.3 million of debt and $ 4.1 million of accounts payable and accrued expenses) related to the EFM JV included in the Consolidated Balance Sheets. For the three months ended September 30, 2025 and 2024, the EFM JV accounted for $ 14.3 million and $ 10.7 million in revenue, respectively, and $ 0.8 million and $ 1.2 million in net income, respectively, included in the Company's results. For the nine months ended September 30, 2025 and 2024, the EFM JV accounted for $ 37.7 million and $ 34.6 million in revenue, respectively, and $ 3.2 million and $ 3.9 million in net income, respectively, included in the Company's results.

Foreign Debt

The Company has a number of bank guarantee facilities and bilateral lines of credit in various foreign countries currently supported by cash, letters of credit or pledged assets and collateral under the Credit Facility. The Credit Facility allows letters of credit and bank guarantee issuances of up to $ 120.0 million from the bilateral lines of credit secured through pledged assets and collateral under the Credit Facility. As of September 30, 2025 and December 31, 2024, $ 38.7 million and $ 45.9 million in bank guarantees were outstanding, respectively, inclusive of $ 1.1 million and $ 1.1 million in outstanding bank guarantees as of September 30, 2025 and December 31, 2024, respectively, under a Euro-denominated bank guarantee agreement held by a subsidiary of the Company located in the Netherlands and secured by local assets, as well as $ 2.1 million and $ 2.1 million in outstanding bank guarantees as of September 30, 2025 and December 31, 2024, respectively, under Yuan-denominated bank guarantee agreements held by a subsidiary of the Company located in China and secured by local assets. Additionally, a subsidiary of the Company located in Germany held a bank loan of $ 0.6 million as of September 30, 2025.

13


9. Earnings per Share

The computational components of basic and diluted earnings per share for the three months ended September 30, 2025 and 2024 are as follows:

Three months ended September 30,

(in thousands)

2025

2024

Numerator (for basic and diluted earnings per share)

Net income attributable to CECO Environmental Corp.

$

1,499

$

2,086

Denominator

Basic weighted-average shares outstanding

35,360

34,967

Common stock equivalents arising from stock options and restricted stock awards

1,037

1,522

Diluted weighted-average shares outstanding

36,397

36,489

The computational components of basic and diluted earnings per share for the nine months ended September 30, 2025 and 2024 are as follows:

Nine months ended September 30,

(in thousands)

2025

2024

Numerator (for basic and diluted earnings per share)

Net income attributable to CECO Environmental Corp.

$

46,993

$

8,079

Denominator

Basic weighted-average shares outstanding

35,226

34,910

Common stock equivalents arising from stock options and restricted stock awards

1,323

1,413

Diluted weighted-average shares outstanding

36,549

36,323

Options and restricted stock units included in the computation of diluted earnings per share are calculated using the treasury stock method. For each of the three months ended September 30, 2025 and 2024, zero , and for the nine months ended September 30, 2025 and 2024, 0.3 million and 0.1 million, respectively, of outstanding options and restricted stock units were excluded from the computation of diluted earnings per share due to their having an anti-dilutive effect.

Once a restricted stock unit vests, it is included in the computation of weighted average shares outstanding for purposes of basic and diluted earnings per share.

Common Stock Repurchase

On May 10, 2022, the Company's Board of Directors authorized a share repurchase program under which the Company was able to purchase up to $ 20.0 million of its outstanding shares of common stock through April 30, 2025. The authorization permitted the Company to repurchase shares in the open market, through accelerated share repurchases, block trades, Rule 10b5-1 trading plans or through privately negotiated transactions in accordance with applicable laws, rules and regulations. For the three and nine months ended September 30, 2024 , the Company repurchased approximately zero and 230,000 shares under the program, respectively, for a cost of zero and $ 5.0 million, respectively. There were no shares repurchased under the program during the three or nine months ended September 30, 2025 . This program expired during the second quarter of 2025.

10. Share-Based Compensation

The Company recognized $ 3.3 million and $ 1.9 million of expense related to share-based compensation during the three months ended September 30, 2025 and 2024, respectively, and $ 9.5 million and $ 5.8 million during the nine months ended September 30, 2025 and 2024, respectively, which was measured based upon the fair value of the awards at the grant date.

The Company granted approximately 323,000 and zero restricted stock units during the three months ended September 30, 2025 and 2024, respectively, and approximately 913,000 and 341,000 restricted stock units during the nine months ended September 30, 2025 and 2024, respectively. In addition, the Company granted 67,000 and 25,000 stock options during the nine months ended September 30, 2025 and 2024 , respectively. No stock options were granted during the three months ended September 30, 2025 and 2024.

14


There were 300,100 and 8,000 options exercised during the three months ended September 30, 2025 and 2024, respectively, for which the Company received $ 3.8 million and $ 0.1 million, respectively, in cash. The intrinsic value of options exercised during the three months ended September 30, 2025 and 2024 was $ 11.2 million and $ 0.1 million, respectively. There were 300,600 and 28,000 options exercised during the nine months ended September 30, 2025 and 2024, respectively, for which the Company received $ 3.8 million and $ 0.4 million, respectively, in cash. The intrinsic value of options exercised during the nine months ended September 30, 2025 and 2024 was $ 11.3 million and $ 0.3 million, respectively.

11. Pension and Employee Benefit Plans

The Company sponsored a non-contributory defined benefit pension plan for certain union employees. The plan was funded in accordance with the funding requirements of the Employee Retirement Income Security Act of 1974. The Company presents the components of net periodic benefit cost within “Other (income) expense, net” on the Condensed Consolidated Statements of Income. Retirement plan expense is based on valuations performed by plan actuaries as of the beginning of each fiscal year. The components of the pension plan expense consisted of the following:

Three months ended September 30,

Nine months ended September 30,

(in thousands)

2025

2024

2025

2024

Interest cost

$

$

304

$

318

$

912

Expected return on plan assets

( 308

)

( 335

)

( 915

)

Amortization of net actuarial loss

57

9

169

Net periodic benefit cost

$

$

53

$

( 8

)

$

166

The Company made no contributions to its defined benefit plan during the three and nine months ended September 30, 2025, and $ 0.9 million and $ 1.1 million during the three and nine months ended September 30, 2024 , respectively. The plan assets balance of $ 0.4 million as of December 31, 2024 is included in “Deferred charges and other assets” on the Condensed Consolidated Balance Sheets. On March 31, 2025, the pension plan was transferred to the purchaser of the Global Pump Solutions business, as discussed in Note 16.

12. Income Taxes

The Company files income tax returns in various federal, state and local jurisdictions. Tax years from 2021 forward remain open for examination by Federal authorities. Tax years from 2018 forward remain open for all significant s tate and foreign authorities.

As of September 30, 2025 and December 31, 2024, the liability for uncertain tax positions totaled approximately $ 1.4 million and $ 1.1 million, respectively, which is included in “Other liabilities” on the Condensed Consolidated Balance Sheets. The Company recognizes accrued interest related to uncertain tax positions and penalties, if any, in income tax expense within the Condensed Consolidated Statements of Income.

Certain of the Company’s undistributed earnings of our foreign subsidiaries are not permanently reinvested. Since foreign earnings have already been subject to United States income tax in 2017 as a result of the 2017 Tax Cuts and Jobs Act, the Company intends to repatriate foreign-held cash as needed. The Company records deferred income tax attributable to foreign withholding taxes that would become payable should it decide to repatriate cash held in our foreign operations. As of September 30, 2025 and December 31, 2024, the Company recorded deferred income taxes of approximately $ 1.3 million and $ 0.9 million, respectively, on the undistributed earnings of its foreign subsidiaries.

Income tax expense was $ 0.5 million and $ 1.6 million for the three months ended September 30, 2025 and 2024, respectively, and $ 23.6 million and $ 2.7 million for the nine months ended September 30, 2025 and 2024, respectively. The effective income tax rate for the three months ended September 30, 2025 was 21.1 % compared with 38.7 % for the three months ended September 30, 2024, and the effective income tax rate for the nine months ended September 30, 2025 was 32.8 % compared with 21.8 % for the nine months ended September 30, 2024. The effective income tax rates for the three and nine months ended September 30, 2025 and 2024 differ from the United States federal statutory rate. The Company's effective rate is affected by certain other permanent differences, including the gain on the sale of the Global Pump Solutions business, state income taxes, non-deductible incentive stock-based compensation and differences in tax rates among jurisdictions in which it operates.

The Organization for Economic Co-operation and Development/G20 Inclusive Framework on Base Erosion and Profit Shifting published the Pillar Two model rules designed to address the tax challenges arising from the digitalization of the global economy which introduces a 15 % global minimum corporate tax for companies with revenues above € 750 million calculated on

15


a country-by-country basis. On February 1, 2023, the FASB indicated that it believes the minimum tax imposed under Pillar Two is an alternative minimum tax, and, accordingly, deferred tax assets and liabilities associated with the minimum tax would not be recognized or adjusted for the estimated future effects of the minimum tax but would be recognized in the period incurred. Aspects of Pillar Two legislation have been enacted in certain jurisdictions in which the Company operates effective for accounting periods commencing on or after January 1, 2024. However, based on the current revenue threshold, the Company is currently not subject to Pillar Two taxes.

On July 4, 2025, the legislation HR-1, known as One Big Beautiful Bill Act (the “Act”), was signed into law. The Act makes several changes to United States tax law, including the limitation on deductibility of interest expense, the capitalization of research expenditures, the allowance of immediate expensing of capital expenditures, and the taxation of foreign earnings. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. The Company recorded the impact of the Act in the third quarter of 2025. When calculating the impact, the Company made the election to fully accelerate all domestic Section 174 Expensing into 2025. The Company has considered the change in interest expense limitation calculation but notes that the Company had sufficient interest expense capacity prior to the change due to the new legislation. Additionally, the Company has assumed an estimate for the assumption that 100 % bonus depreciation is being taken on estimated capital expenditures for 2025.

13. Financial Instruments

The Company's financial instruments consist primarily of investments in cash and cash equivalents, receivables and certain other assets, notes payable, foreign debt and accounts payable, which approximate fair value at September 30, 2025 and December 31, 2024, due to their short-term nature or variable, market-driven interest rates.

The fair value of the debt issued under the Credit Facility and joint venture term loan was $ 222.4 million and $ 221.5 million at September 30, 2025 and December 31, 2024, respectively. The fair value was determined considering market conditions, the Company's credit worthiness and the current terms of our debt, which is considered Level 2 on the fair value hierarchy.

At September 30, 2025 and December 31, 2024, the Company had cash and cash equivalents of $ 32.8 million and $ 37.8 million, respectively, of which $ 25.4 million and $ 29.7 million, respectively, was held outside of the United States, principally in the Netherlands, United Kingdom, United Arab Emirates, and China.

14. Commitments and Contingencies

Asbestos cases

Beginning in 2002, the Company's subsidiary Met-Pro Technologies LLC (“Met-Pro”), relative to its former Dean Pump division, has been named in asbestos-related lawsuits filed against a large number of industrial companies including, in particular, those in the pump and fluid handling industries. While the Company divested of its fluid handling business (also known as its Global Pump Solutions business) in the first quarter of 2025, as discussed in Note 16, the Company retained historical asbestos liabilities and the related legacy insurance policies. In management’s opinion, the complaints typically have been vague, general and speculative, alleging that Met-Pro, along with the numerous other defendants, sold asbestos-containing products and engaged in other related actions which caused injuries (including mesothelioma and death) and loss to the plaintiffs. The Company’s insurers have hired attorneys who, together with the Company, are vigorously defending these cases. Many cases have been dismissed after the plaintiff fails to identify or produce evidence of exposure to Met-Pro’s products. In those cases, where evidence has been produced, the Company’s experience has been that the exposure levels are low and the Company’s position has been that its products were not a cause of death, injury or loss. The Company has been dismissed from a large number of these cases, with a small number of these dismissals resulting in immaterial settlements. The Company records accruals within "Accrued expenses" and "Other liabilities" on the Condensed Consolidated Balance Sheets for estimated losses associated with these settlements.

The Company also presently believes that none of the pending cases will have a material adverse impact upon the Company’s results of operations, liquidity or financial condition.

Other

The Company is also a party to routine contract and employment-related litigation matters, warranty claims and routine audits of state and local tax returns arising in the ordinary course of its business.

16


The final outcome and impact of open matters, and related claims and investigations that may be brought in the future, are subject to many variables, and cannot be predicted. The Company records accruals within "Accrued expenses" on the Condensed Consolidated Balance Sheets for estimated losses relating to claims and lawsuits when available information indicates that a loss is probable and the amount of the loss, or range of loss, can be reasonably estimated. The Company expenses legal costs as they are incurred.

The Company is not aware of any pending claims or assessments, other than as described above, which may have a material adverse impact on its liquidity, financial position, results of operations, or cash flows.

15. Acquisitions

Profire Energy, Inc.

On January 3, 2025, the Company acquired all outstanding shares of Profire for $ 122.7 million in cash, including $ 4.6 million of cash used to settle outstanding equity awards for which $ 2.3 million represents the acceleration of such awards and thus recorded within "Acquisition and integration expenses" on the Condensed Consolidated Statements of Income. Resulting consideration transferred for the acquisition was $ 120.4 million. The transaction was financed through a combination of cash on hand and a draw on the Company's revolving credit facility. Profire is a technology company and provider of intelligent control solutions that enhance the efficiency, safety, and reliability of industrial combustion appliances. The business operates primarily from locations in Lindon, Utah and Acheson, Alberta and is reported within the Engineered Systems segment. T he following table summarizes the preliminary fair values of the assets acquired and liabilities assumed at the date of closing.

(in thousands)

Current assets (including cash and cash equivalents of $ 22,675 and accounts receivable of $ 14,151 )

$

54,867

Property and equipment

17,416

Intangible - finite life

41,810

Goodwill

25,656

Other assets

343

Total assets acquired

140,092

Current liabilities assumed

( 8,567

)

Deferred income tax liability

( 10,852

)

Other liabilities assumed

( 291

)

Net assets acquired

$

120,382

The Company acquired property and equipment consisting of $ 14.7 million of land, building and improvements, $ 2.1 million of vehicles, and $ 0.6 million of machinery and equipment and other.

The Company acquired technology, customer lists, and tradename intangible assets valued at $ 3.6 million, $ 34.5 million, and $ 3.7 million, respectively. These assets were determined to have useful lives of 7 , 10 , and 10 years, respectively.

During the three and nine months ended September 30, 2025, Profire accounted for $ 17.4 million and $ 48.7 million in revenue, respectively, and $ 0.2 million and $ 3.8 million in net income, respectively, in the Company's results.

Verantis Environmental Solutions Group

On December 17, 2024, the Company acquired 100 % of the equity interests of Verantis for $ 69.2 million in cash, which was financed with a draw on the Company's revolving credit facility. Verantis is a global leader in engineering services and equipment systems and solutions for exhaust air treatment in a wide range of general industrial and high technology manufacturing processes. The business operates primarily from locations in Middleburg Heights, Ohio and Singapore, and is reported within the Industrial Processing Solutions segment. T he following table summarizes the preliminary fair values of the assets acquired and liabilities assumed at the date of closing.

17


(in thousands)

Current assets (including accounts receivable of $ 8,661 )

$

18,910

Property and equipment

373

Intangible - finite life

22,070

Goodwill

54,966

Other assets

118

Total assets acquired

96,437

Current liabilities assumed

( 17,624

)

Deferred income tax liability

( 8,716

)

Other liabilities assumed

( 928

)

Net assets acquired

$

69,169

The Company acquired technology, customer lists and tradename intangible assets valued at $ 2.4 million, $ 17.0 million and $ 2.6 million, respectively. These assets were determined to have useful lives of 7 , 10 and 10 years, respectively.

WK Group

On October 2, 2024, the Company acquired 100 % of the equity interests of WK Group for $ 6.8 million in cash, which was financed with a draw on the Company's revolving credit facility. As additional consideration in the acquisition of WK Group, the former owners of WK Group were also entitled to earn-out payments up to $ 27.5 million based upon specified financial results through September 30, 2025. Based on projections at the acquisition date, the Company estimated the fair value of the earn-out to be $ 6.3 million. During the second quarter of 2025, the Company recorded a fair value adjustment such that the earn-out liability within "Accrued expenses" on the Condensed Consolidated Balance Sheets reduced to zero as of June 30, 2025. The associated gain of $ 7.4 million, inclusive of $ 1.1 million of foreign currency adjustments, was recorded within "Other operating (income) expenses, net" on the Condensed Consolidated Statements of Income. No additional adjustments were necessary at the expiration of the earn-out period in the third quarter of 2025. WK Group designs and engineers a broad range of technical equipment and systems for exhaust and process air treatment, VOC abatement, energy recovery and surface treatment applications. The business operates primarily from locations in Germany and Singapore and is reported within the Industrial Processing Solutions segment. T he following table summarizes the preliminary fair values of the assets acquired and liabilities assumed at the date of closing.

(in thousands)

Current assets (including accounts receivable of $ 7,914 )

$

14,485

Property and equipment

853

Intangible - finite life

3,114

Goodwill

13,448

Other assets

441

Total assets acquired

32,341

Current liabilities assumed

( 16,333

)

Deferred income tax liability

( 1,609

)

Other liabilities assumed

( 1,320

)

Net assets acquired

$

13,079

The Company acquired technology, customer lists and tradename intangible assets valued at $ 1.0 million, $ 1.2 million and $ 1.0 million, respectively. These assets were determined to have useful lives of 7 , 10 and 10 years, respectively.

EnviroCare International LLC

On July 29, 2024, the Company acquired 100 % of the equity interests of EnviroCare International LLC (“EnviroCare") for $ 16.7 million, including $ 15.7 million paid at closing, which was financed with a draw on the Company's revolving credit facility, and a seller promissory note of $ 1.7 million, which was repaid in the third quarter of 2025, partially offset by a working capital adjustment of $ 0.7 million. EnviroCare is a designer and provider of industrial exhaust air contamination treatment and control and evaporative gas conditioning systems, solutions and services across a wide range of industrial and municipal applications. The business operates primarily from American Canyon, California and is reported within the Industrial Processing Solutions segment. The following table summarizes the fair values of the assets acquired and liabilities assumed at the date of closing.

18


(in thousands)

Current assets (including cash of $ 596 and accounts receivable of $ 405 )

$

3,111

Property and equipment

17

Intangible - finite life

7,250

Goodwill

11,389

Total assets acquired

21,767

Current liabilities assumed

( 5,065

)

Net assets acquired

$

16,702

The Company acquired technology, customer lists and tradename intangible assets valued at $ 0.8 million, $ 0.8 million and $ 5.7 million, respectively. These assets were determined to have useful lives of 7 , 10 and 10 years, respectively.

The acquisitions disclosed above, with the exception of EnviroCare, are subject to final adjustment, primarily for the valuation of intangible assets pending final valuation results for such assets and tax balances for the further assessment of the acquiree’s tax positions. These preliminary estimates and assumptions could change significantly during the purchase price measurement period as the Company finalizes the valuation of assets acquired and liabilities assumed. These changes could result in material variances in the Company's future financial results, including variances in the estimated purchase price, fair values recorded and expenses associated with these items.

Goodwill recognized represents value the Company expects to be created by combining the various operations of the acquired businesses with the Company’s operations, including the expansion into markets within existing business segments, access to new customers and potential cost savings and synergies. Goodwill related to these acquisitions is not deductible for tax purposes.

Acquisition and integration expenses on the Condensed Consolidated Statements of Income are related to acquisition activities, which include retention, legal, accounting, banking, and other expenses.

The following unaudited pro forma financial information represents the Company’s results of operations as if these acquisitions had occurred at the beginning of the fiscal year prior to the acquisition. The pro forma results have been prepared for informational purposes only and include adjustments to amortize acquired intangible assets with finite lives, depreciate acquired property, plant, and equipment, reflect additional interest expense on debt used to fund the acquisition, and record the income tax consequences of these pro forma adjustments.

Three months ended September 30,

Nine months ended September 30,

(in thousands, except per share data)

2025

2024

2025

2024

Net sales

$

197,599

$

174,654

$

559,687

$

515,276

Net income attributable to CECO Environmental Corp.

1,499

1,834

46,993

7,159

Earnings per share:

Basic

$

0.04

$

0.05

$

1.33

$

0.21

Diluted

$

0.04

$

0.05

$

1.29

$

0.20

These pro forma results do not purport to be indicative of the results of operations that would have occurred had the purchase been made as of the beginning of the periods presented or of the results of operations that may occur in the future.

16. Divestiture

On March 31, 2025, the Company finalized the sale of its Global Pump Solutions business to a third party for a purchase price of $ 108.7 million, as adjusted for purchase adjustments. In the third quarter of 2025, the Company agreed to a working capital adjustment with the purchaser that reduced the amount to be released from escrow by $ 0.8 million, with a corresponding reduction in the previously recognized gain. The Company received cash proceeds of $ 107.9 million, inclusive of the purchase price, purchase price adjustments and $ 2.0 million released from escrow in the third quarter of 2025. The Company recognized a pre-tax gain on sale of busines s of $ 63.7 million. The Global Pump Solutions business consists of three niche leadership severe service industrial metallic, fiberglass and thermoplastic centrifugal pump brands: Dean, Fybroc and Sethco. The business

19


primarily operates from locations in Indianapolis, Indiana and Telford, Pennsylvania, and was included within the Industrial Processing Solutions segment.

Amounts related to the transaction are as follows:

(in thousands)

Proceeds from sale of Global Pump Solutions business

$

107,809

Less: Assets transferred

Accounts receivable, net

( 4,230

)

Inventories

( 9,268

)

Property and equipment

( 5,247

)

Goodwill

( 26,838

)

Intangible assets – finite life, net

( 4,029

)

Pension plan assets

( 425

)

Other assets

( 120

)

Less: Transaction costs

( 616

)

Plus: Liabilities transferred

Accounts payable

1,024

Accrued expenses

1,731

Other liabilities assumed

3,910

Gain on sale of Global Pump Solutions business

$

63,701

17. Business Segment Information

The Company’s operations are organized as groups of similar products and services, and are presented in two reportable segments. The results of the segments, specifically income from operations as adjusted for intercompany profits, are reviewed quarterly by the chief operating decision maker ("CODM"), which is the Company's Chief Executive Officer, for the purposes of allocating resources, including personnel, capital, and financial resources, and assessing performance, including the monitoring of budget versus actual results. Asset information by segment is not reported internally or otherwise regularly reviewed by the CODM.

The Company’s reportable segments are as follows:

Engineered Systems: The Company's Engineered Systems segment serves the power generation, hydrocarbon transport and processing, water/wastewater treatment, oily water separation and treatment, marine and naval, and natural gas and natural gas liquids infrastructure, treatment and transport sectors. The Company seeks to address the global demand for contaminant removal and environmental protection solutions with its highly engineered platforms including emissions management, fluid bed cyclones, thermal acoustics, separation and filtration, and dampers and expansion joints.

Industrial Process Solutions: The Company's Industrial Process Solutions segment serves the broad industrial sector with solutions for contamination control, exhaust air treatment, VOC abatement, process filtration and fluid handling in applications such as aluminum beverage can production, vehicle production, food and beverage processing, semiconductor fabrication, electronics production, steel and aluminum processing, engineered wood products manufacturing, chemical processing, general manufacturing and machining, coating and surface treatment, battery production and recycling, and wind and solar power components manufacturing end markets. The Company assists customers in maintaining clean and safe operations for employees, reducing energy consumption, minimizing waste for customers, and meeting regulatory standards for toxic emissions, fumes, volatile organic compounds, and odor elimination through its platforms including duct fabrication and installation, industrial air, and fluid handling.

The financial segment information is as follows for the three and nine months ended September 30, 2025:

Three months ended September 30, 2025

Nine months ended September 30, 2025

(in thousands)

Engineered Systems

Industrial Process Solutions

Engineered Systems

Industrial Process Solutions

Sales

$

141,400

$

56,860

$

396,697

$

172,378

Income from operations

25,034

4,237

68,968

88,997

20


A reconciliation of total segment sales to total consolidated sales, as well as total segment income from operations to total consolidated income from operations and total consolidated net income is as follows for the three months ended September 30, 2025:

(in thousands)

Engineered Systems

Industrial Process Solutions

Total

Sales from external customers

$

143,692

$

53,907

$

197,599

Intra-segment sales

( 2,463

)

2,852

389

Inter-segment sales

171

101.0

272

Total segment sales

141,400

56,860

198,260

Reconciliation to sales

Elimination of intra- and inter-segment sales

661

Total consolidated sales

197,599

Reconciliation to income before income taxes

Direct cost of sales

90,352

35,698

126,050

Shop burden

4,003

2,957

6,960

Selling expense

7,813

3,080

10,893

Project engineering expense

4,183

2,843

7,026

General and administrative expense

7,513

2,428

9,941

Other segment items (1)

4,794

2,665

7,459

Income from operations

22,742

7,190

29,932

Stock-based compensation

3,273

Other corporate expenses (2)

16,598

Elimination of intra- and inter-segment activity

661

Interest expense

5,054

Other expense (3)

2,056

Total consolidated income before income taxes

2,290

(1) Includes amortization expenses, acquisition and integration expenses, and restructuring expenses.
(2)
Includes corporate compensation, professional services and information technology expenses, and other general and administrative corporate expenses.
(3)
Includes foreign exchange (gain) loss.

A reconciliation of total segment sales to total consolidated sales, as well as total segment income from operations to total consolidated income from operations and total consolidated net income is as follows for the nine months ended September 30, 2025:

21


(in thousands)

Engineered Systems

Industrial Process Solutions

Total

Sales from external customers

$

392,586

$

167,102

$

559,687

Intra-segment sales

3,753

5,175

8,928

Inter-segment sales

358

101.0

459

Total segment sales

396,697

172,378

569,074

Reconciliation to sales

Elimination of intra- and inter-segment sales

9,387

Total consolidated sales

559,687

Reconciliation to income before income taxes

Direct cost of sales

240,056

107,414

347,470

Shop burden

10,272

8,081

18,354

Selling expense

23,578

9,667

33,245

Project engineering expense

13,641

8,518

22,160

General and administrative expense

25,738

8,975

34,712

Gain on sale of Global Pump Solutions business

( 63,701

)

( 63,701

)

Other segment items (1)

10,332

( 850

)

9,482

Income from operations

73,079

94,273

167,352

Stock-based compensation

9,507

Other corporate expenses (2)

59,127

Elimination of intra- and inter-segment activity

9,387

Interest expense

16,169

Other expense (3)

1,196

Total consolidated income before income taxes

71,966

(1) Includes amortization expenses, acquisition and integration expenses, divestiture expenses, restructuring expenses, and asbestos litigation expenses.
(2)
Includes corporate compensation, professional services and information technology expenses, and other general and administrative corporate expenses.
(3)
Includes foreign exchange (gain) loss and pension expense.

Other segment information is as follows for the three and nine months ended September 30, 2025:

Three months ended September 30, 2025

Nine months ended September 30, 2025

(in thousands)

Engineered Systems

Industrial Process Solutions

Engineered Systems

Industrial Process Solutions

Property and equipment additions

$

1,649

$

429

$

2,855

$

1,390

Depreciation and amortization (1)

5,333

1,814

9,432

6,002

(1) The amounts of depreciation and amortization disclosed by reportable segment are included within other segment expense captions, such as shop burden or general and administrative expense.

The financial segment information is as follows for the three and nine months ended September 30, 2024:

Three months ended September 30, 2024

Nine months ended September 30, 2024

(in thousands)

Engineered Systems

Industrial Process Solutions

Engineered Systems

Industrial Process Solutions

Sales

$

98,527

$

51,379

$

293,186

$

135,631

Income from operations

15,837

8,065

51,544

20,834

22


A reconciliation of total segment sales to total consolidated sales, as well as total segment income from operations to total consolidated income from operations and total consolidated net income is as follows for the three months ended September 30, 2024:

(in thousands)

Engineered Systems

Industrial Process Solutions

Total

Sales from external customers

$

91,277

$

44,236

$

135,513

Intra-segment sales

6,952

6,918

13,870

Inter-segment sales

298

225

523

Total segment sales

98,527

51,379

149,906

Reconciliation to sales

Elimination of intra- and inter-segment sales

14,393

Total consolidated sales

135,513

Reconciliation to income before income taxes

Direct cost of sales

59,568

25,625

85,193

Shop burden

2,156

2,893

5,048

Selling expense

4,502

2,906

7,408

Project engineering expense

3,322

1,747

5,069

General and administrative expense

4,071

2,392

6,463

Other segment items (1)

1,822

607

2,429

Income from operations

23,086

15,209

38,295

Stock-based compensation

1,943

Other corporate expenses (2)

14,772

Elimination of intra- and inter-segment activity

14,393

Interest expense

2,648

Other expense (3)

398

Total consolidated income before income taxes

4,141

(1) Includes amortization expenses, and acquisition and integration expenses.
(2)
Includes corporate compensation, professional services and information technology expenses, and other general and administrative corporate expenses.
(3)
Includes foreign exchange (gain) loss and pension expense.

23


A reconciliation of total segment sales to total consolidated sales, as well as total segment income from operations to total consolidated income from operations and total consolidated net income is as follows for the nine months ended September 30, 2024:

(in thousands)

Engineered Systems

Industrial Process Solutions

Total

Sales from external customers

$

278,018

$

121,349

$

399,367

Intra-segment sales

14,587

13,893

28,480

Inter-segment sales

581

389

970

Total segment sales

293,186

135,631

428,817

Reconciliation to sales

Elimination of intra- and inter-segment sales

29,450

Total consolidated sales

399,367

Reconciliation to income before income taxes

Direct cost of sales

176,146

69,930

246,076

Shop burden

5,955

7,876

13,831

Selling expense

15,907

8,599

24,506

Project engineering expense

9,710

4,956

14,666

General and administrative expense

13,608

7,131

20,740

Other segment items (1)

5,172

2,022

7,194

Income from operations

66,687

35,117

101,804

Stock-based compensation

5,790

Other corporate expenses (2)

42,435

Elimination of intra- and inter-segment activity

29,450

Interest expense

9,315

Other expense (3)

2,589

Total consolidated income before income taxes

12,225

(1) Includes amortization expenses, acquisition and integration expenses, and asbestos litigation expenses.
(2)
Includes corporate compensation, professional services and information technology expenses, and other general and administrative corporate expenses.
(3)
Includes foreign exchange (gain) loss and pension expense.

Other segment information is as follows for the three and nine months ended September 30, 2024:

Three months ended September 30, 2024

Nine months ended September 30, 2024

(in thousands)

Engineered Systems

Industrial Process Solutions

Engineered Systems

Industrial Process Solutions

Property and equipment additions

$

645

$

690

$

2,672

$

1,725

Depreciation and amortization (1)

1,817

1,148

5,416

3,398

(1) The amounts of depreciation and amortization disclosed by reportable segment are included within other segment expense captions, such as shop burden or general and administrative expense.

Geographic Information

Net sales by geographic area are as follows:

Three months ended September 30,

Nine months ended September 30,

(in thousands)

2025

2024

2025

2024

United States

$

137,119

$

91,399

$

367,993

$

259,637

United Kingdom

11,843

15,986

43,870

42,541

Netherlands

17,773

10,389

44,762

40,696

China

9,011

7,517

37,368

20,730

Other

21,853

10,222

65,694

35,763

Total net sales

$

197,599

$

135,513

$

559,687

$

399,367

The geographical area data for net sales is based upon the country location of the Company's business unit generating such sales.

24


Long-lived assets by geographic area are as follows:

(in thousands)

September 30, 2025

December 31, 2024

United States

$

370,971

$

332,162

United Kingdom

28,122

27,003

China

39,438

36,315

Other

57,873

33,248

Total long-lived assets

$

496,404

$

428,728

The geographical area data for long-lived assets is based upon physical location of such assets.

25


CECO ENVIRONMENTAL CORP.

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The Company’s Condensed Consolidated Statements of Income for the three and nine months ended September 30, 2025 and 2024 reflect the consolidated operations of the Company and its subsidiaries.

CECO Environmental Corp. (“CECO,” “we,” “us,” "our," or the “Company”) is a leading environmentally focused, diversified industrial company, serving the broad landscape of industrial air, industrial water and energy transition markets globally providing innovative technology and application expertise through a collection of focused operating companies with niche leadership positions and well-established brands in fragmented markets with flexible business models and established supply chains. CECO helps companies grow their business with safe, clean, and more efficient solutions that help protect people, the environment and industrial equipment. CECO's solutions improve air and water quality, optimize emissions management, and increase the energy and process efficiency for highly engineered applications in power generation, midstream and downstream hydrocarbon processing and transport, chemical processing, electric vehicle production, polysilicon fabrication, semiconductor and electronics production, battery production and recycling, specialty metals, aluminum and steel production, beverage can manufacturing, and industrial and produced water and wastewater treatment, and a wide range of other industrial end markets.

Market Pressures

The senior management team monitors and manages the Company's ability to operate effectively as the result of market pressures. Against the current backdrop of a rapidly evolving global commercial environment, we believe we are comparatively well-positioned as we execute and manufacture a majority of our business in the same regions in which we sell, with our cost and revenue bases largely aligned as a result. Recently, international trade has been impacted by geopolitical tariff considerations. To mitigate potential tariff-related impacts, we have worked strategically with customers and suppliers to optimize terms and pricing, sourcing locations, and logistics routes and schedules. While we will continue to take a proactive approach on our efforts to mitigate the impacts of tariffs, our business and results could be adversely affected by further policy developments. Additionally, we are currently experiencing shortages of raw materials and inflationary pressures for certain materials and labor. We have secured raw materials from existing and alternate suppliers and have taken other mitigating actions to mitigate supply disruptions; however, we cannot guarantee that we will be able to continue to do so in the future. If we are unable to continue to mitigate the effects of these supply disruptions and/or inflationary pressures, our business, results and financial condition could be adversely affected.

Note Regarding Use of Non-GAAP Financial Measures

The Company's unaudited condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). These GAAP financial statements include certain charges the Company believes are not indicative of its core ongoing operational performance.

As a result, the Company provides financial information in this Management’s Discussion and Analysis that was not prepared in accordance with GAAP and should not be considered as an alternative to the information prepared in accordance with GAAP. The Company provides this non-GAAP financial information because the Company’s management utilizes it to evaluate its ongoing financial performance and the Company believes it provides greater transparency to investors as supplemental information to its GAAP results.

The Company has provided the non-GAAP financial measures of non-GAAP operating income and non-GAAP operating margin as a result of items that the Company believes are not indicative of its ongoing operations. These include transactions associated with the Company’s acquisitions, divestiture, and the items described below in “Consolidated Results.” The Company believes that these items are not necessarily indicative of the Company’s ongoing operations and their exclusion provides individuals with additional information to better compare the Company's results over multiple periods. The Company utilizes this information to evaluate its ongoing financial performance. The Company has incurred substantial expense and income associated with acquisitions. While the Company cannot predict the exact timing or amounts of such charges, it does expect to treat the financial impact of these transactions as special items in its future presentation of non-GAAP results.

26


Results of Operations

Consolidated Results

Our Condensed Consolidated Statements of Income for the three and nine months ended September 30, 2025 and 2024 are as follows:

Three months ended September 30,

Nine months ended September 30,

(in millions, except ratios)

2025

2024

2025

2024

Net sales

$

197.6

$

135.5

$

559.7

$

399.4

Cost of sales

133.0

90.2

365.8

259.9

Gross profit

$

64.6

$

45.3

$

193.9

$

139.5

Percent of sales

32.7

%

33.4

%

34.6

%

34.9

%

Selling and administrative expenses

47.0

34.3

149.4

105.7

Percent of sales

23.8

%

25.3

%

26.7

%

26.5

%

Amortization expenses

6.1

2.5

12.2

6.5

Acquisition and integration expenses

0.3

1.2

8.4

1.9

Loss (gain) on sale of Global Pump Solutions business

0.8

(63.7

)

Other operating expense (income), net

1.0

0.1

(1.7

)

1.3

Operating income

$

9.4

$

7.2

$

89.3

$

24.1

Operating margin

4.8

%

5.3

%

16.0

%

6.0

%

Other (income) expense, net

$

2.0

$

(0.4

)

$

1.2

$

(2.5

)

Interest expense

5.1

(2.6

)

16.1

(9.3

)

Income before income taxes

$

2.3

$

4.2

$

72.0

$

12.3

Income tax expense

0.5

1.6

23.6

2.7

Net income

$

1.8

$

2.6

$

48.4

$

9.6

Noncontrolling interest

0.3

(0.5

)

1.4

(1.5

)

Net income attributable to CECO Environmental Corp.

$

1.5

$

2.1

$

47.0

$

8.1

To compare operating performance between the three and nine months ended September 30, 2025 and 2024, the Company has adjusted GAAP operating income to exclude (1) amortization of intangible assets, (2) acquisition and integration expenses, which include legal, accounting, and other expenses, (3) gain on the sale of the Global Pump Solutions business as discussed in Note 16, and (4) other non-recurring expenses, including fair value adjustment of earn-out liabilities from the acquisitions of WK Group, restructuring expenses primarily relating to severance, facility exits, and associated legal expenses, asbestos litigation expenses relating to future settlement payments, and third party professional consulting fees associated with Enterprise Resource Planning system implementations.

The following table presents the reconciliation of GAAP operating income and GAAP operating margin to non-GAAP operating income and non-GAAP operating margin:

Three months ended September 30,

Nine months ended September 30,

(in millions, except ratios)

2025

2024

2025

2024

Operating income as reported in accordance with GAAP

$

9.4

$

7.2

$

89.3

$

24.1

Operating margin in accordance with GAAP

4.8

%

5.3

%

16.0

%

6.0

%

Amortization expenses

6.1

2.5

12.2

6.5

Acquisition and integration expenses

0.3

1.2

8.4

1.9

Loss (gain) on sale of Global Pump Solutions business

0.8

(63.7

)

Other operating expense (income), net

0.9

0.1

(1.7

)

1.3

Non-GAAP operating income

$

17.5

$

11.0

$

44.5

$

33.8

Non-GAAP operating margin

8.9

%

8.1

%

8.0

%

8.5

%

Orders booked increased $70.6 million, or 44%, to $232.9 million during the three months ended September 30, 2025 compared with $162.3 million in the three months ended September 30, 2024, inclusive of organic growth of 33%, as defined as the change in orders excluding the impact of orders recorded in the twelve month period subsequent to acquisition dates and orders from the GPS business, which was divested in the first quarter of 2025. The orders increase is primarily attributable to the Company's energy and power businesses as well as international industrial water projects.

27


Orders booked increased $286.7 million, or 64%, to $735.0 million during the nine months ended September 30, 2025 compared with $448.3 million in the nine months ended September 30, 2024, inclusive of organic growth of 53%. The orders increase is primarily attributable to the Company's energy and power technologies. Investments in energy infrastructure and growth in midstream and downstream markets have resulted in increased demand for emissions, separation, and acoustics products. Additionally, the Company has seen increased demand for its wet scrubbers and industrial fan technologies as well as international industrial water applications in produced water and wastewater.

Net sales for the three months ended September 30, 2025 increased $62.1 million, or 45.8%, to $197.6 million compared with $135.5 million for the three months ended September 30, 2024, inclusive of organic growth of 35%, as defined as the change in orders excluding the impact of orders recorded in the twelve month period subsequent to acquisition dates and orders from the GPS business, which was divested in the first quarter of 2025. The increase in organic revenue is driven by significant order intake in the preceding quarters which led to a record backlog position. The Company also executed on customer projects and progressed its respective projects per contractual commitments, without any materially significant delays observed. The remainder of the increase in net sales is attributable to the Company's recent acquisitions.

Net sales for the nine months ended September 30, 2025 increased $160.3 million, or 40.1%, to $559.7 million compared with $399.4 million for the nine months ended September 30, 2024, inclusive of organic growth of 24%. The increase in organic revenue is driven by significant order intake in the preceding quarters which led to a record backlog position. The Company was also able to recover from revenue project delays that adversely impacted the Company in prior periods driven by customer’s catching up to the project schedules. The remainder of the increase in net sales is attributable to the Company's recent acquisitions.

Gross profit increased $19.3 million, or 42.6%, to $64.6 million in the three months ended September 30, 2025 compared with $45.3 million in the three months ended September 30, 2024. The increase in gross profit is primarily attributable to the increase in sales volume as described above. Gross profit as a percentage of sales slightly decreased to 32.7% in the three months ended September 30, 2025 compared with 33.4% in the three months ended September 30, 2024. This decrease is attributable to project mix within industrial solutions end markets.

Gross profit increased $54.4 million, or 39.0%, to $193.9 million in the nine months ended September 30, 2025 compared with $139.5 million in the nine months ended September 30, 2024. The increase in gross profit is primarily attributable to the increase in sales volume as described above. Gross profit as a percentage of sales was flat at 34.6% in the nine months ended September 30, 2025 and 34.9% in the nine months ended September 30, 2024.

Selling and administrative expenses were $47.0 million for the three months ended September 30, 2025 compared with $34.3 million for the three months ended September 30, 2024. The increase is primarily attributable to increased headcount resources to support the Company’s growing pipeline of opportunities as well as additional capabilities to support backlog execution and functional support. Additionally, acquisitions during the current and prior year drove increased selling and administrative expense.

Selling and administrative expenses were $149.4 million for the nine months ended September 30, 2025 compared with $105.7 million for the nine months ended September 30, 2024. The increase is primarily attributable to increased headcount resources to support the Company’s growing pipeline of opportunities as well as additional capabilities to support backlog execution and functional support. Additionally, acquisitions during the current and prior year drove increased selling and administrative expense.

Amortization expense was $6.1 million for the three months ended September 30, 2025 compared with $2.2 million for the three months ended September 30, 2024. The increase in expense is attributable to increased intangible assets attributable to current and prior year acquisitions.

Amortization expense was $12.2 million for the nine months ended September 30, 2025 compared with $6.5 million for the nine months ended September 30, 2024. The increase in expense is attributable to increased intangible assets attributable to current and prior year acquisitions.

Operating income increased $2.2 million to $9.4 million for the three months ended September 30, 2025 compared with operating income of $7.2 million for the three months ended September 30, 2024. The increase in operating income is primarily attributable to the fair value adjustment to the earn-out liability associated with the acquisition of WK Group, as well as the increase in gross profit described above.

Operating income increased $65.2 million to $89.3 million for the nine months ended September 30, 2025 compared with operating income of $24.1 million for the nine months ended September 30, 2024. The increase in operating income is primarily attributable to the gain on the sale of the Global Pump Solutions business and fair value adjustment to the earn-out liability associated with the acquisition of WK Group, partially offset by the increase in selling and administrative expenses described above.

28


Non-GAAP operating income was $17.5 million for the three months ended September 30, 2025 compared with $11.0 million for the three months ended September 30, 2024. Non-GAAP operating income as a percentage of sales increased to 8.9% for the three months ended September 30, 2025 from 8.1% for the three months ended September 30, 2024.

Non-GAAP operating income was $44.5 million for the nine months ended September 30, 2025 compared with $33.8 million for the nine months ended September 30, 2024. Non-GAAP operating income as a percentage of sales was flat at 8% for the both the nine months ended September 30, 2025 and 2024.

Interest expense increased to $5.1 million in the three months ended September 30, 2025 compared with interest expense of $2.6 million for the three months ended September 30, 2024. The increase in interest expense is primarily due to increased debt balances.

Interest expense increased to $16.2 million in the nine months ended September 30, 2025 compared with interest expense of $9.3 million for the nine months ended September 30, 2024. The increase in interest expense is primarily due to increased debt balances.

Income tax expense was $0.5 million for the three months ended September 30, 2025 compared with income tax expense of $1.6 million for the three months ended September 30, 2024. Income tax expense was $23.6 million for the nine months ended September 30, 2025 compared with income tax expense of $2.7 million for the nine months ended September 30, 2024. The effective income tax rate for the three months ended September 30, 2025 was 21.1% compared with 38.7% for the three months ended September 30, 2024. The effective income tax rate for the nine months ended September 30, 2025 was 32.8% compared with 21.8% for the nine months ended September 30, 2024. The effective income tax rates for the three and nine months ended September 30, 2025 and September 30, 2024 differ from the United States federal statutory rate. Our effective tax rate is affected by other permanent differences, including the gain on the sale of the Global Pump Solutions business, state income taxes, non-deductible incentive stock-based compensation, and differences in tax rates among the jurisdictions in which we operate.

Business Segments

The Company’s operations are organized as groups of similar products and services, and are presented in two reportable segments. The results of the segments are reviewed through “Income from operations” on the unaudited Condensed Consolidated Statements of Income.

Financial results by segment are as follows:

Three months ended September 30,

Nine months ended September 30,

(in thousands)

2025

2024

2025

2024

Net Sales (less intra- and inter-segment sales)

Engineered Systems

$

143,692

$

91,277

$

392,585

$

278,018

Industrial Process Solutions

53,907

44,236

167,102

121,349

Total net sales

$

197,599

$

135,513

$

559,687

$

399,367

Three months ended September 30,

Nine months ended September 30,

(in thousands)

2025

2024

2025

2024

Income from Operations

Engineered Systems

$

25,034

$

15,837

$

68,968

$

51,444

Industrial Process Solutions

4,237

8,065

88,997

20,834

Corporate and Other (1)

(19,871

)

(16,715

)

(68,634

)

(48,149

)

Total income from operations

$

9,400

$

7,187

$

89,331

$

24,129

(1) Includes corporate compensation, professional services, information technology, and other general and administrative corporate expenses.

Engineered Systems Segment

Our Engineered Systems segment orders booked increased $53.5 million, or 44%, to $175.5 million during the three months ended September 30, 2025 compared with $122.0 million in the three months ended September 30, 2024, inclusive of organic growth of 37%. The increase is primarily attributable to the Company's energy and power technologies. Investments in energy infrastructure and growth in midstream and downstream markets have resulted in increased demand for emissions, and acoustics products. The

29


Company’s acquisition of Profire, a niche-leader specializing in the design and manufacture of burner-management systems and other combustion-management technologies, is another driver of increased orders.

Our Engineered Systems segment orders booked increased $239.9 million, or 74%, to $562.6 million during the nine months ended September 30, 2025 compared with $322.7 million in the nine months ended September 30, 2024, inclusive of organic growth of 73%. The increase is primarily attributable to the Company's energy and power technologies. Investments in energy infrastructure and growth in midstream and downstream markets have resulted in increased demand for emissions, separation, and acoustics products. The Company’s acquisition of Profire also contributed to the increase in orders.

Our Engineered Systems segment net sales increased $52.4 million to $143.7 million for the three months ended September 30, 2025 compared with $91.3 million for the three months ended September 30, 2024, inclusive of organic growth of 47%. The increase is led by backlog execution on large scale power projects and inorganic sales growth attributable to Profire.

Our Engineered Systems segment net sales increased $114.6 million to $392.6 million for the nine months ended September 30, 2025 compared with $278.0 million for the nine months ended September 30, 2024, inclusive of organic growth of 33%. The increase is led by backlog execution on large scale power projects and inorganic sales growth attributable to Profire.

Operating income for the Engineered Systems segment increased $9.2 million to $25.0 million for the three months ended September 30, 2025 compared with $15.8 million for the three months ended September 30, 2024. The operating income increase is attributable to higher gross profit related to increased net sales, partially offset by an increase in selling and administrative expense.

Operating income for the Engineered Systems segment increased $17.6 million to $69.0 million for the nine months ended September 30, 2025 compared with $51.4 million for the nine months ended September 30, 2024. The operating income increase is attributable to higher gross profit related to increased net sales, partially offset by an increase in selling and administrative expense.

Industrial Process Solutions Segment

Our Industrial Process Solutions segment orders booked increased $17.3 million, or 43%, to $57.4 million during the three months ended September 30, 2025 compared with $40.1 million in the three months ended September 30, 2024, inclusive of organic growth of 23%. The increase is primarily attributable to the Company’s most recent acquisitions in industrial air treatment applications and increase in demand for the Company's scrubber technologies.

Our Industrial Process Solutions segment orders booked increased $46.7 million, or 37%, to $172.3 million during the nine months ended September 30, 2025 compared with $125.6 million in the nine months ended September 30, 2024, inclusive of organic growth of 7%. The increase is primarily attributable to Company’s most recent acquisitions in industrial air treatment applications and increase in demand for the Company's scrubber technologies.

Our Industrial Process Solutions segment net sales increased $9.7 million to $53.9 million for the three months ended September 30, 2025 compared with $44.2 million for the three months ended September 30, 2024, inclusive of organic growth of 11%. The increase is primarily attributable to Company’s most recent acquisitions in industrial air treatment applications, partially offset by the loss of net sales due to the divestiture of the Global Pump Solutions business.

Our Industrial Process Solutions segment net sales increased $45.8 million to $167.1 million for the nine months ended September 30, 2025 compared with $121.3 million for the nine months ended September 30, 2024, inclusive of organic growth of 5%. The increase is primarily attributable to Company’s most recent acquisitions in industrial air treatment applications, partially offset by the loss of net sales due to the divestiture of the Global Pump Solutions business.

Operating income for the Industrial Process Solutions segment decreased $3.9 million to $4.2 million for the three months ended September 30, 2025 compared with $8.1 million for the three months ended September 30, 2024. The decrease is primarily attributable to the fair value adjustment to the earn-out liability associated with the acquisition of WK Group, as well as the increase in gross profit driven by the net sales increase described above.

Operating income for the Industrial Process Solutions segment increased $68.2 million to $89.0 million for the nine months ended September 30, 2025 compared with $20.8 million for the nine months ended September 30, 2024. The increase is primarily attributable to the gain on the sale of the Global Pump Solutions business and fair value adjustment to the earn-out liability associated with the acquisition of WK Group.

30


Backlog

Backlog (i.e., unfulfilled or remaining performance obligations) represents the sales we expect to recognize for our products and services for which control has not yet transferred to the customer. Backlog increased to $719.6 million as of September 30, 2025, from $540.9 million as of December 31, 2024. Our customers may have the right to cancel a given order. Historically, cancellations have not been significant. Backlog is adjusted on a quarterly basis for adjustments in foreign currency exchange rates. Substantially all backlog is expected to be delivered within 12 to 30 months. Backlog is not defined by GAAP and our methodology for calculating backlog may not be consistent with methodologies used by other companies.

Recent Accounting Pronouncements

For information regarding recent accounting pronouncements, see Note 2 to the unaudited condensed consolidated financial statements within Item 1 of this Quarterly Report on Form 10-Q.

Liquidity and Capital Resources

When we undertake large jobs, our working capital objective is to make these projects self-funding. We work to achieve this by obtaining customer advanced payments, structuring our contracts with progress billing provisions, when possible, utilizing extended payment terms from material suppliers, and paying sub-contractors after payment from our customers, which is an industry practice. Our investment in working capital is funded by cash flows from operations and by our revolving line of credit under our Credit Facility (as defined below).

At September 30, 2025, the Company had working capital of $97.2 million, compared with $86.3 million at December 31, 2024. The ratio of current assets to current liabilities was 1.33 to 1.00 on September 30, 2025, as compared with a ratio of 1.35 to 1.00 on December 31, 2024.

At September 30, 2025 and December 31, 2024, cash and cash equivalents totaled $32.8 million and $37.8 million, respectively. As of September 30, 2025 and December 31, 2024, $25.4 million and $29.7 million, respectively, of our cash and cash equivalents were held by certain foreign subsidiaries, as well as being denominated in foreign currencies.

Debt consisted of the following:

(in thousands)

September 30, 2025

December 31, 2024

Outstanding borrowings under Credit Facility (defined below)

Revolving credit facility

$

216,300

$

214,200

Total outstanding borrowings under the Credit Facility

216,300

214,200

Outstanding borrowings under the joint venture term debt

6,060

7,297

Other borrowings

561

Unamortized debt discount

(2,013

)

(2,617

)

Total outstanding borrowings

220,908

218,880

Less: current portion

(1,928

)

(1,650

)

Total debt, less current portion

$

218,980

$

217,230

Credit Facility

The Company’s outstanding borrowings in the United States consist of a senior secured revolver loan with sub-facilities for letters of credit, swing-line loans and multi-currency loans (collectively, the “Credit Facility”). As of September 30, 2025 and December 31, 2024, the Company was in compliance with all related financial and other restrictive covenants under the Credit Facility.

See Note 8 to the unaudited condensed consolidated financial statements within Item 1 of this Quarterly Report on Form 10-Q for further information on the Company’s debt facilities.

Total unused credit availability under our existing Credit Facility is as follows:

31


(in millions)

September 30, 2025

December 31, 2024

Credit Facility, revolving loans

$

400.0

$

400.0

Draw down

(216.3

)

(214.2

)

Letters of credit open

(24.4

)

(18.9

)

Total unused credit availability

$

159.3

$

166.9

Amount available based on borrowing limitations

$

109.1

$

1.0

Overview of Cash Flows and Liquidity

Nine months ended September 30,

(in thousands)

2025

2024

Net cash (used in) provided by operating activities

$

(4,100

)

$

23,000

Net cash provided by (used in) investing activities

1,520

(26,191

)

Net cash used in financing activities

(2,834

)

(14,518

)

Effect of exchange rate changes on cash, cash equivalents and restricted cash

86

1,187

Net decrease in cash, cash equivalents and restricted cash

$

(5,328

)

$

(16,522

)

Operating Activities

For the nine months ended September 30, 2025, $4.1 million of cash was used in operating activities compared with $23.0 million provided by operations in the prior year period, representing a decrease of $27.1 million. Cash flows from operating activities in the first nine months of 2025 had an unfavorable impact year-over-year primarily due to timing of project-related payments.

Investing Activities

For the nine months ended September 30, 2025, net cash provided by investing activities was $1.5 million compared with $26.2 million used in investing activities in the prior year period. For the nine months ended September 30, 2025, the Company received $107.8 million related to the sale of the Global Pump Solutions business as discussed in Note 16, offset by $97.6 million used in the acquisition of Profire as discussed in Note 15. In the prior year period, $26.2 million cash used in investing activities was primarily the result of the purchase of EnviroCare and acquisitions of property and equipment.

Financing Activities

For the nine months ended September 30, 2025, $2.8 million was used in financing activities compared with $14.5 million used in financing activities in the prior year period, for an increase of $11.7 million. The increase was driven by $5.0 million in common stock repurchases and $1.7 million of earn-out payments in the nine months ended September 30, 2024 that did not recur in the nine months ended September 30, 2025, as well as $5.1 million decrease in net debt repayments.

Critical Accounting Estimates

Management believes there have been no changes during the nine months ended September 30, 2025 to the items that the Company disclosed as its critical accounting policies and estimates in Management’s Discussion and Analysis of Financial Condition and Results of Operations in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024.

Forward-Looking Statements

This Quarterly Report on Form 10-Q includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, both as amended, which are intended to be covered by the safe harbor for “forward-looking statements” provided by the Private Securities Litigation Reform Act of 1995. Any statements contained in this Quarterly Report on Form 10-Q, other than statements of historical fact, including statements about management’s beliefs and expectations, are forward-looking statements and should be evaluated as such. These statements are made on the basis of management’s views and assumptions regarding future events and business performance. We use words such as “believe,” “expect,” “anticipate,” “intends,” “estimate,” “forecast,” “project,” “will,” “plan,” “should” and similar expressions to identify forward-looking statements. Forward-looking statements involve risks and uncertainties that may cause actual results to differ materially from any future results, performance or achievements expressed or implied by such statements. Potential risks and uncertainties, among others, that could cause actual results to differ materially are discussed under “Item 1A. Risk Factors” of this Quarterly Report on Form 10-Q and in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, and include, but are not limited to:

32


the effect of recent acquisitions and the divestiture of our Fluid Handling Business (together, the “transactions”) on business relationships, operating results, and business generally, disruption of current plans and operations and potential difficulties in employee retention as a result of the transactions, diversion of management’s attention from ongoing business operations in connection with the integration of recent acquisitions, the amount of the costs, fees, expenses and other charges related to the transactions, the achievement of the anticipated benefits of transactions, our ability to successfully integrate acquired businesses and realize the synergies from acquisitions, as well as a number of factors related to our business, including the sensitivity of our business to economic and financial market conditions generally and economic conditions in CECO’s service areas;
dependence on fixed price contracts and the risks associated therewith, including actual costs exceeding estimates and method of accounting for revenue;
the effect of growth on our infrastructure, resources and existing sales;
the ability to expand operations in both new and existing markets;
the potential for contract delay or cancellation as a result of on-going or worsening supply chain challenges, or other customer-driven project delays relating to supply chain challenges or other customer considerations;
liabilities arising from faulty services or products that could result in significant professional or product liability, warranty or other claims;
changes in or developments with respect to any litigation or investigation;
failure to meet timely completion or performance standards that could result in higher cost and reduced profits or, in some cases, losses on projects;
the potential for fluctuations in prices for manufactured components and raw materials, including as a result of tariffs and surcharges, and rising energy costs;
inflationary pressures relating to rising raw material costs and the cost of labor;
the substantial amount of debt incurred in connection with our strategic transactions and our ability to repay or refinance it or incur additional debt in the future;
the impact of federal, state or local government regulations, including with respect to tax policy;
our ability to repurchase shares of our common stock and the amounts and timing of repurchases;
our ability to successfully realize the expected benefits of our restructuring program;
economic and political conditions generally;
our ability to optimize our business portfolio by identifying acquisition targets, executing upon any strategic acquisitions or divestitures, integrating acquired businesses and realizing the synergies from strategic transactions; and
unpredictability and severity of catastrophic events, including cybersecurity threats, acts of terrorism or outbreak of war or hostilities or public health crises, as well as management’s response to any of the aforementioned factors.

Many of these risks are beyond management’s ability to control or predict. Should one or more of these risks or uncertainties materialize, or should any related assumptions prove incorrect, actual results may vary in material aspects from those currently anticipated. Investors are cautioned not to place undue reliance on such forward-looking statements as they speak only to our views as of the date the statement is made. Except as required under the federal securities laws or the rules and regulations of the SEC, we undertake no obligation to update or review any forward-looking statements, whether as a result of new information, future events or otherwise.

ITEM 3. QUANTITATIVE AND QUALITAT IVE DISCLOSURES ABOUT MARKET RISK

We are exposed to certain market risks, primarily changes in interest rates. Market risk is the potential loss arising from adverse changes in market rates and prices, such as foreign currency exchange and interest rates. For the Company, these exposures are primarily related to changes in interest rates. We do not currently hold any derivatives or other financial instruments purely for trading or speculative purposes.

The carrying value of the Company’s total long-term debt and current maturities of long-term debt at September 30, 2025 was $222.4 million. Market risk was estimated as the potential decrease (increase) in future earnings and cash flows resulting from a hypothetical

33


10% increase (decrease) in the Company’s estimated weighted average borrowing rate at September 30, 2025. Most of the interest on the Company’s debt is indexed to SOFR market rates. The estimated annual impact of a hypothetical 10% change in the estimated weighted average borrowing rate at September 30, 2025 is $1.6 million.

The Company has wholly-owned subsidiaries in several countries, including in the Netherlands, Canada, the People’s Republic of China, Mexico, United Kingdom, Singapore, India, United Arab Emirates, Germany, South Korea and Saudi Arabia. In the past, we have not hedged our foreign currency exposure, and fluctuations in exchange rates have not materially affected our operating results. Future changes in exchange rates may positively or negatively impact our revenues, operating expenses and earnings. Transaction (gains) losses included in “Other expense, net” line of the Condensed Consolidated Statements of Income were $2.0 million and $0.3 million for the three months ended September 30, 2025 and 2024, respectively, and $1.1 million and $1.9 million for the nine months ended September 30, 2025 and 2024, respectively.

ITEM 4. CONTROL S AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

The Company maintains disclosure controls and procedures (as defined in Rule 13a-15(e) of the Securities Exchange Act of 1934 (the “Exchange Act”)) that are designed to ensure that information required to be disclosed by the Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to the Company’s management, including its principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. The Company’s management, with the participation of the Company’s Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on that evaluation, our management, including our Chief Executive Officer and Chief Financial Officer, concluded that our disclosure controls and procedures were effective as of September 30, 2025.

Management believes that the condensed consolidated financial statements included in this report present fairly, in all material respects, the Company’s financial condition, results of operations and cash flows for each of the periods presented in this report in conformity with accounting principles generally accepted in the United States of America.

Changes in Internal Control Over Financial Reporting

There were no changes in the Company’s internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) during the quarter ended September 30, 2025 that materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

Limitations on the Effectiveness of Controls

Control systems, no matter how well conceived and operated, are designed to provide a reasonable, but not an absolute, level of assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected. The Company conducts periodic evaluations of its internal controls to enhance, where necessary, its procedures and controls.

34


PART II – OTHE R INFORMATION

See Note 14 to the unaudited Condensed Consolidated Financial Statements contained in Part I, Item 1 of this Quarterly Report on Form 10-Q for information regarding legal proceedings in which the Company is involved.

ITEM 1A. R ISK FACTORS

There have been no material changes in the Company’s risk factors that were disclosed in “Part I – Item 1A. Risk Factors” of the Company's Annual Report on Form 10-K for the year ended December 31, 2024.

ITEM 2. UNREGISTERED SALES OF EQUI TY SECURITIES AND USE OF PROCEEDS

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

The following table provides information about our purchases of the Company's equity securities for the three months ended September 30, 2025:

Issuer's Purchases of Equity Securities

(in thousands, except per share data)
Period

Total Number of Shares Purchased (1)

Average Price Paid per Share

Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs

Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plans or Programs

July 1, 2025 - July 31, 2025

$

$

August 1, 2025 - August 31, 2025

September 1, 2025 - September 30, 2025

Total

$

(1) On May 10, 2022, the Board of Directors authorized a $20.0 million share repurchase program, which expired on April 30, 2025. See Note 9 to the unaudited Condensed Consolidated Financial Statements contained in Part I, Item 1 of this Quarterly Report on Form 10-Q for information regarding the Company's share repurchase program.

ITEM 3. DEFAULTS UP ON SENIOR SECURITIES

None.

ITEM 4. MINE SAF ETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

(c)

Rule 10b5-1 Trading Plans

During the three months ended September 30, 2025 , no director or Section 16 officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement,” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

35


ITEM 6. E XHIBITS

10.1

Equity award agreement between the Company and Peter K. Johansson, dated September 12, 2025 (incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K dated September 12, 2025).

31.1

Rule 13(a)/15d-14(a) Certification by Chief Executive Officer

31.2

Rule 13(a)/15d-14(a) Certification by Chief Financial Officer

32.1

Certification of Chief Executive Officer (18 U.S. Section 1350)

32.2

Certification of Chief Financial Officer (18 U.S. Section 1350)

101.INS

Inline XBRL Instance Document

101.SCH

Inline XBRL Taxonomy Extension Schema Document with Embedded Linkbase Documents

104

Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

36


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CECO Environmental Corp.

By:

/s/ Kiril Kovachev

Kiril Kovachev

Chief Accounting Officer

(principal accounting officer and duly authorized officer)

Date: October 28, 2025

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