Quick Takeaways
- Jason DeZwirek filed SCHEDULE 13D/A for CECO ENVIRONMENTAL CORP Common Stock, $0.01 par value (CECO).
- Disclosed ownership: 12%.
- Date of event: 23 Feb 2026.
Jason DeZwirek - 23 Feb 2026 SCHEDULE 13D/A Report for CECO ENVIRONMENTAL CORP Common Stock, $0.01 par value (CECO)
- Filing Manager
- Jason DeZwirek
- Reporting Manager
- Jason DeZwirek
- Symbol
- CECO
- Shares outstanding
- 35,881,291 shares
- Disclosed Ownership
- 4,198,111 shares
- Ownership
- 12%
- Form type
- SCHEDULE 13D/A
- Filing time
- 26 Feb 2026, 18:26:08 UTC
- Date of event
- 23 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Jason DeZwirek disclosed 12% ownership in CECO ENVIRONMENTAL CORP Common Stock, $0.01 par value (CECO) on 23 Feb 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 26 Feb 2026, 18:26.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Jason DeZwirek | 12% | 4,198,111 | 4,198,111 | 0 | /s/ Jason DeZwirek | Jason DeZwirek | 0000946589 |
| Icarus Investment Corp. | 7.8% | 2,770,546 | 0 | 2,770,546 | /s/ Jason DeZwirek | Jason DeZwirek | |
| 0to100 Inc. | 0.6% | 200,000 | 0 | 200,000 | /s/ Jason DeZwirek | Jason DeZwirek |