| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Johansson Peter K. | SVP, Chief Financial Officer | 5080 SPECTRUM DRIVE, SUITE 800E, ADDISON | /s/ Kiril Kovachev as Attorney-in-Fact for Peter Johansson | 19 Aug 2025 | 0001941417 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CECO | Common Stock | Tax liability | $102,692 | -2,302 | -3.7% | $44.61 | 59,620 | 15 Aug 2025 | Direct | F1, F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CECO | Restricted Stock Units | 47,247 | 15 Aug 2025 | Common Stock | 47,247 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units. |
| F2 | Includes 415 shares acquired under the CECO Environmental Corp. 2020 Employee Stock Purchase Plan. |
| F3 | Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock. |
| F4 | Conversion of restricted stock units to the Company's common stock will occur on July 5, 2027 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. |