Based on data from the past 90 days ending February 15, 2026, Ceco Environmental's three largest insider shareholders are Director Jason Dezwirek (1.43Mn shares), Chief Executive Officer Todd R Gleason (411.28K shares), Director Richard F Wallman (300.41K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jason Dezwirek | 1,433,865 | 05 Jun, 2025 | |
| Todd R Gleason | Chief Executive Officer | 411,279 | 22 Sep, 2025 |
| Richard F Wallman | 300,409 | 03 Sep, 2025 | |
| Matthew Eckl | Chief Financial Officer | 190,454 | 17 Mar, 2022 |
| David B Liner | 118,080 | 17 Mar, 2023 | |
| Jonathan Pollack | 108,001 | 05 Aug, 2021 | |
| Valerie Gentile Sachs | 102,144 | 05 Jun, 2025 | |
| Claudio A Mannarino | 77,589 | 01 Aug, 2025 | |
| Ramesh Nuggihalli | Chief Operating Officer | 73,904 | 03 Apr, 2023 |
| Munish Nanda | 73,249 | 05 Jun, 2025 | |
| Joycelynn Watkins-Asiyanbi | See Remarks. | 73,178 | 30 Jun, 2025 |
| Eric Michael Goldberg | 69,343 | 26 May, 2021 | |
| Peter K. Johansson | Svp And Chief Financial Officer | 59,620 | 19 Aug, 2025 |
| Paul M Gohr | Chief Accounting Officer | 54,564 | 03 Apr, 2023 |
| Chasity Henry | Nan | 48,900 | 12 Nov, 2021 |
| Alyson Noel Gregory | General Counsel | 20,615 | 16 Jan, 2026 |
| Laurie Siegel | 19,918 | 05 Jun, 2025 | |
| Kiril Kovachev | Chief Accounting Officer | 15,114 | 08 Jul, 2025 |
| Robert E Jr Knowling | 10,862 | 11 Jul, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Jan, 2026 | Alyson Noel Gregory | Common Stock | A | 8,465 | $0.00 | 20,615 | D | A |
| 22 Sep, 2025 | Todd R Gleason | - | - | 508,936 | D | |||
| 22 Sep, 2025 | Todd R Gleason | Common Stock | D | 98,101 | $50.45 | 410,835 | D | S |
| 22 Sep, 2025 | Todd R Gleason | Common Stock | A | 98,101 | $12.72 | 508,936 | D | M |
| 22 Sep, 2025 | Todd R Gleason | - | - | 410,835 | D | |||
| 19 Sep, 2025 | Todd R Gleason | - | - | 427,734 | D | |||
| 19 Sep, 2025 | Todd R Gleason | - | - | 512,734 | D | |||
| 19 Sep, 2025 | Todd R Gleason | Common Stock | A | 101,899 | $12.72 | 512,734 | D | M |
| 19 Sep, 2025 | Todd R Gleason | Common Stock | D | 700 | $51.15 | 410,835 | D | S |
| 19 Sep, 2025 | Todd R Gleason | - | - | 410,835 | D | |||
| 19 Sep, 2025 | Todd R Gleason | Common Stock | D | 16,199 | $50.38 | 411,535 | D | S |
| 19 Sep, 2025 | Todd R Gleason | - | - | 411,535 | D | |||
| 19 Sep, 2025 | Todd R Gleason | Common Stock | D | 85,000 | $49.10 | 427,734 | D | S |
| 18 Sep, 2025 | Todd R Gleason | Common Stock | A | 100,000 | $12.72 | 510,835 | D | M |
| 18 Sep, 2025 | Todd R Gleason | Common Stock | D | 100,000 | $51.30 | 410,835 | D | S |
| 18 Sep, 2025 | Todd R Gleason | - | - | 410,835 | D | |||
| 18 Sep, 2025 | Todd R Gleason | - | - | 510,835 | D | |||
| 05 Sep, 2025 | Richard F Wallman | Common Stock | A | 3,000 | $46.93 | 80,500 | I | P |
| 05 Sep, 2025 | Richard F Wallman | - | - | 80,500 | I | |||
| 29 Aug, 2025 | Richard F Wallman | Common Stock | A | 1,500 | $44.25 | 77,500 | I | P |