🕵️ CECO Environmental Corp ($CECO)
SEC insider & ownership activity, last 12 months · CIK 3197 · every row links its SEC filing
Over the last 12 months insiders sold $30.6M against $3.0M of open-market buying. Todd R. Gleason sold $15.1M (Sep). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $3.0M (6 lots) · 5 sellers, $30.6M (17 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Todd R. Gleason | 0 | – | 5 | $15.1M | Sep 22, 2025 |
| Dezwirek Jason | 0 | – | 7 | $10.9M | Jun 25, 2026 |
| Richard F. Wallman | 6 | $3.0M | 0 | – | Jun 1, 2026 |
| Peter K. Johansson | 0 | – | 1 | $2.9M | Jun 24, 2026 |
| Claudio A. Mannarino | 0 | – | 3 | $830K | Jul 30, 2025 |
| Nanda Munish | 0 | – | 1 | $830K | May 1, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Jason Dezwirek | 11.7% | 13D | Feb 23, 2026 | filing ↗ | |
| Icarus Investment Corp. | 7.8% | 13D | Feb 23, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.3% | 13G | Jul 16, 2025 | filing ↗ | |
| FMR LLC | 6.2% | 13G | Aug 6, 2025 | filing ↗ | |
| Abigail P. Johnson | 6.2% | 13G | Aug 6, 2025 | filing ↗ | |
| T. ROWE Price Investment Management, Inc. | 6.0% | 13G | May 15, 2026 | filing ↗ | |
| American Century Investment Management, Inc. | 5.7% | 13G | Feb 13, 2026 | filing ↗ | |
| American Century Companies, Inc. | 5.7% | 13G | Feb 13, 2026 | filing ↗ | |
| Stowers Institute for Medical Research | 5.7% | 13G | Feb 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Peter K. Johansson | $2.9M | Jun 24, 2026 | filing ↗ |
| Nanda Munish | $830K | May 1, 2026 | filing ↗ |
| Todd R. Gleason | $4.9M | Sep 22, 2025 | filing ↗ |
| Todd R. Gleason | $5.0M | Sep 19, 2025 | filing ↗ |
| Todd R. Gleason | $5.1M | Sep 18, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jun 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 9, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Jun 1, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 1, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jun 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 27, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 27, 2026 | filing ↗ |
| Earnings (2.02) | Apr 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 30, 2026 | filing ↗ |
| New financial obligation (2.03) | Jan 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 30, 2026 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 12, 2025 | filing ↗ |