CECO

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 8

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 410,835

F5 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $50.15 to $50.71 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 7

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 508,936

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 6

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 410,835

F4 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $51.04 to $51.38 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 5

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 411,535

F3 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $50.00 to $50.97 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 4

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 427,734

F2 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $48.75 to $49.65 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 3

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 512,734

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-25-211916 · ownership.xml · derivative · entry 14

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 696,305

Underlying: Common Stock · 101,899 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The stock option vested in four equal annual installments beginning on July 6, 2021, and expires on July 6, 2027.

F6 · derivative.expiration_date: The stock option vested in four equal annual installments beginning on July 6, 2021, and expires on July 6, 2027.

SEC source: 0001193125-25-211916 · ownership.xml · derivative · entry 13

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 798,204

Underlying: Common Stock · 100,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The stock option vested in four equal annual installments beginning on July 6, 2021, and expires on July 6, 2027.

F6 · derivative.expiration_date: The stock option vested in four equal annual installments beginning on July 6, 2021, and expires on July 6, 2027.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 2

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 410,835

F1 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $51.00 to $51.96 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001193125-25-211916 · ownership.xml · nonDerivative · entry 1

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 510,835

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-25-204659 · ownership.xml · derivative · entry 2

Johansson Peter K. · CIK 0001941417 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.

F2 · derivative.exercise_date: Conversion of restricted stock units to the Company's common stock will occur on September 12, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

F2 · derivative.expiration_date: Conversion of restricted stock units to the Company's common stock will occur on September 12, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

SEC source: 0000950170-25-113739 · ownership.xml · nonDerivative · entry 1

WALLMAN RICHARD F · CIK 0001198092 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By spouse

Disclosed balance after: 80,500

F1 · price: Price reflects the weighted average purchase price for multiple transactions that ranged from $46.80 to $47.00 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0000950170-25-112690 · ownership.xml · nonDerivative · entry 2

WALLMAN RICHARD F · CIK 0001198092 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By spouse

Disclosed balance after: 77,500

SEC source: 0000950170-25-112690 · ownership.xml · nonDerivative · entry 1

WALLMAN RICHARD F · CIK 0001198092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,909

SEC source: 0000950170-25-110110 · ownership.xml · nonDerivative · entry 1

Johansson Peter K. · CIK 0001941417 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,620

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

F2 · balance_after: Includes 415 shares acquired under the CECO Environmental Corp. 2020 Employee Stock Purchase Plan.

SEC source: 0000950170-25-101212 · ownership.xml · nonDerivative · entry 5

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By 0to100 Inc.

Disclosed balance after: 200,000

F5 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $42.74 to $43.30 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101212 · ownership.xml · nonDerivative · entry 4

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By 0to100 Inc.

Disclosed balance after: 210,383

F4 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $43.34 to $44.34 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101212 · ownership.xml · nonDerivative · entry 3

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By 0to100 Inc.

Disclosed balance after: 230,000

F3 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $40.69 to $41.61 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101212 · ownership.xml · nonDerivative · entry 2

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By 0to100 Inc.

Disclosed balance after: 234,329

F2 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $41.68 to $42.63 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101212 · ownership.xml · nonDerivative · entry 1

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By 0to100 Inc.

Disclosed balance after: 256,315

F1 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $42.65 to $43.63 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101211 · ownership.xml · nonDerivative · entry 3

Mannarino Claudio A · CIK 0001378778 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,589

F3 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $40.41 to $41.42 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101211 · ownership.xml · nonDerivative · entry 2

Mannarino Claudio A · CIK 0001378778 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,029

F2 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $40.56 to $41.53 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-101211 · ownership.xml · nonDerivative · entry 1

Mannarino Claudio A · CIK 0001378778 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,830

F1 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $41.54 to $42.54 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-094451 · ownership.xml · nonDerivative · entry 1

Kovachev Kiril · CIK 0001983626 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,114

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-091450 · ownership.xml · nonDerivative · entry 1

Watkins-Asiyanbi Joycelynn · CIK 0001936806 · See Remarks.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,178

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-082990 · ownership.xml · derivative · entry 6

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.

F2 · derivative.exercise_date: Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

F2 · derivative.expiration_date: Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

SEC source: 0000950170-25-082083 · ownership.xml · nonDerivative · entry 1

Nanda Munish · CIK 0001532274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,249

F1 · shares: Shares will vest one year from the date of grant.

SEC source: 0000950170-25-082081 · ownership.xml · nonDerivative · entry 1

DEZWIREK JASON · CIK 0000946589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,233,865

F1 · shares: Shares will vest one year from the date of grant.

F2 · balance_after: Excludes 300,000 shares previously owned directly that were contributed to 0To100 Inc., a corporation that is 100% owned by the reporting person, on June 17, 2024.

SEC source: 0000950170-25-082082 · ownership.xml · nonDerivative · entry 1

WALLMAN RICHARD F · CIK 0001198092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,909

F1 · shares: Includes grant of 3,492 shares of common stock in lieu of annual cash fees paid to the Director.

F2 · shares: Shares will vest one year from the date of grant.

SEC source: 0000950170-25-082079 · ownership.xml · nonDerivative · entry 1

SACHS VALERIE GENTILE · CIK 0001228169 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,144

F1 · shares: Includes grant of 2,772 shares of common stock in lieu of annual cash fees paid to the Director.

F2 · shares: Shares will vest one year from the date of grant.

SEC source: 0000950170-25-082078 · ownership.xml · derivative · entry 2

KNOWLING ROBERT E JR · CIK 0001207632 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,311

Underlying: Common Stock · 6,300 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock. Restricted stock units will vest one year from the date of grant.

F2 · derivative.exercise_date: Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company Director.

F2 · derivative.expiration_date: Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company Director.

SEC source: 0000950170-25-082077 · ownership.xml · nonDerivative · entry 1

SIEGEL LAURIE · CIK 0001223626 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,918

F1 · shares: Shares will vest one year from the date of grant.

SEC source: 0000950170-25-082076 · ownership.xml · derivative · entry 2

Mannarino Claudio A · CIK 0001378778 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,006

Underlying: Common Stock · 3,150 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents restricted stock units granted under the CECO Environmental Corp. Deferred Compensation Plan for Non-Employee Directors. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock. Restricted stock units will vest one year from date of grant.

F3 · derivative.exercise_date: Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company Director.

F3 · derivative.expiration_date: Conversion of restricted stock units to the Company's common stock and distribution of such stock under the Deferred Compensation Plan is deferred until termination of service as a Company Director.

SEC source: 0000950170-25-082076 · ownership.xml · nonDerivative · entry 1

Mannarino Claudio A · CIK 0001378778 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,589

F1 · shares: Shares will vest one year from the date of grant.

SEC source: 0000950170-25-049066 · ownership.xml · nonDerivative · entry 2

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 410,835

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-049068 · ownership.xml · nonDerivative · entry 1

Watkins-Asiyanbi Joycelynn · CIK 0001936806 · See Remarks.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,732

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-049066 · ownership.xml · nonDerivative · entry 1

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 414,453

F1 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-049067 · ownership.xml · nonDerivative · entry 2

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,507

F2 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-049067 · ownership.xml · nonDerivative · entry 1

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,160

F1 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $22.64 to $23.01 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-047498 · ownership.xml · nonDerivative · entry 1

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,660

F1 · price: Price reflects the weighted average sale price for multiple transactions that ranged from $24.14 to $24.23 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-25-041583 · ownership.xml · derivative · entry 7

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,347

Underlying: Common Stock · 67,347 shares

Expires not disclosed

F3 · derivative.exercise_date: The stock option vests in three equal annual installments beginning on March 17, 2026, and expires ten years from the grant date.

F3 · derivative.expiration_date: The stock option vests in three equal annual installments beginning on March 17, 2026, and expires ten years from the grant date.

SEC source: 0000950170-25-041582 · ownership.xml · nonDerivative · entry 3

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,261

F3 · shares: Represents restricted stock units with a three-year vesting period.

SEC source: 0000950170-25-041580 · ownership.xml · nonDerivative · entry 3

Watkins-Asiyanbi Joycelynn · CIK 0001936806 · See Remarks.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,420

F3 · shares: Represents restricted stock units with a three-year vesting period.

SEC source: 0000950170-25-041575 · ownership.xml · nonDerivative · entry 2

Kovachev Kiril · CIK 0001983626 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,574

F2 · shares: Represents restricted stock units with a three-year vesting period.

SEC source: 0000950170-25-041583 · ownership.xml · nonDerivative · entry 2

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 416,563

F2 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-041583 · ownership.xml · nonDerivative · entry 1

Gleason Todd R · CIK 0001571235 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 492,341

F1 · shares: Represents performance share units earned.

SEC source: 0000950170-25-041582 · ownership.xml · nonDerivative · entry 2

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,292

F2 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-041582 · ownership.xml · nonDerivative · entry 1

Johansson Peter K. · CIK 0001941417 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,772

F1 · shares: Represents performance share units earned.

SEC source: 0000950170-25-041580 · ownership.xml · nonDerivative · entry 2

Watkins-Asiyanbi Joycelynn · CIK 0001936806 · See Remarks.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,781

F2 · kind: Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

SEC source: 0000950170-25-041580 · ownership.xml · nonDerivative · entry 1

Watkins-Asiyanbi Joycelynn · CIK 0001936806 · See Remarks.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,153

F1 · shares: Represents performance share units earned.