| 4 | Statement of changes in beneficial owner... | Watkins-asiyanbi Joycelynn | Donnelley Financial Solutions /fa | 06/30/2025 | |
| 4 | Statement of changes in beneficial owner... | Ceco Environmental Corp | Donnelley Financial Solutions /fa | 06/30/2025 | |
| 4 | Statement of changes in beneficial owner... | Watkins-asiyanbi Joycelynn | Donnelley Financial Solutions /fa | 04/02/2025 | |
| 4 | Statement of changes in beneficial owner... | Ceco Environmental Corp | Donnelley Financial Solutions /fa | 04/02/2025 | |
| 4 | Statement of changes in beneficial owner... | Watkins-asiyanbi Joycelynn | Donnelley Financial Solutions /fa | 03/18/2025 | |
| 4 | Statement of changes in beneficial owner... | Ceco Environmental Corp | Donnelley Financial Solutions /fa | 03/18/2025 | |
| 4 | Statement of changes in beneficial owner... | Watkins-asiyanbi Joycelynn | Donnelley Financial Solutions /fa | 12/12/2024 | |
| 4 | Statement of changes in beneficial owner... | Ceco Environmental Corp | Donnelley Financial Solutions /fa | 12/12/2024 | |
| 4 | Statement of changes in beneficial owner... | Watkins-asiyanbi Joycelynn | Donnelley Financial Solutions /fa | 03/19/2024 | |
| 4 | Statement of changes in beneficial owner... | Ceco Environmental Corp | Donnelley Financial Solutions /fa | 03/19/2024 | |
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