๐Ÿ•ต๏ธ CECO Environmental Corp ($CECO)

SEC insider & ownership activity, last 12 months ยท CIK 3197 ยท every row links its SEC filing

Over the last 12 months insiders sold $25.4M against $2.6M of open-market buying. Todd R. Gleason sold $15.1M (Sep). No red-flag 8-Ks in the window.

๐Ÿšจ 2 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$1.1M May 2026: net -$830K Jun 2026: net -$8.0M Jul 2026: net +$0 Aug 2026: net +$0 Sep 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

1 buyer, $2.6M (3 lots) ยท 4 sellers, $25.4M (9 lots)

InsiderBuysBoughtSellsSoldLast
Todd R. Gleason0โ€“ 5$15.1MSep 22, 2025
Dezwirek Jason0โ€“ 2$6.6MJun 25, 2026
Peter K. Johansson0โ€“ 1$2.9MJun 24, 2026
Richard F. Wallman3$2.6M 0โ€“Jun 1, 2026
Nanda Munish0โ€“ 1$830KMay 1, 2026

5%+ holders

HolderStakeClassScheduleEvent
Jason DeZwirek 11.7% 13DFeb 23, 2026 filing โ†—
Icarus Investment Corp. 7.8% 13DFeb 23, 2026 filing โ†—
FMR LLC 7.7% 13GAug 6, 2026 filing โ†—
Abigail P. Johnson 7.7% 13GAug 6, 2026 filing โ†—
BlackRock, Inc. 6.3% 13GJul 16, 2025 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Peter K. Johansson$2.9MJun 24, 2026 filing โ†—
Nanda Munish$830KMay 1, 2026 filing โ†—
Todd R. Gleason$4.9MSep 22, 2025 filing โ†—
Todd R. Gleason$5.0MSep 19, 2025 filing โ†—
Todd R. Gleason$5.1MSep 18, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Aug 10, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 10, 2026 filing โ†—
Reg FD disclosure (7.01)Jun 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 1, 2026 filing โ†—
Acquisition or disposition (2.01)Jun 1, 2026 filing โ†—
New financial obligation (2.03)Jun 1, 2026 filing โ†—
Officer/director changes (5.02)Jun 1, 2026 filing โ†—
Charter/bylaw changes (5.03)Jun 1, 2026 filing โ†—
Reg FD disclosure (7.01)Jun 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 1, 2026 filing โ†—
Officer/director changes (5.02)May 27, 2026 filing โ†—
Shareholder vote (5.07)May 27, 2026 filing โ†—
Reg FD disclosure (7.01)May 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 27, 2026 filing โ†—
Earnings (2.02)Apr 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 28, 2026 filing โ†—
Material agreement (1.01)Mar 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 30, 2026 filing โ†—
Earnings (2.02)Feb 24, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 24, 2026 filing โ†—
Material agreement (1.01)Feb 23, 2026 filing โ†—
Reg FD disclosure (7.01)Feb 23, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 23, 2026 filing โ†—
Material agreement (1.01)Jan 30, 2026 filing โ†—
New financial obligation (2.03)Jan 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 30, 2026 filing โ†—
Earnings (2.02)Oct 28, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 28, 2025 filing โ†—