Form4insider filings, from the source

Company · CIK 0000003197 · SIC 3564 — Industrial & Commercial Fans & Blowers & Air Purifing Equip · Nasdaq

CECO ENVIRONMENTAL CORP · CECO

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.5M · 1sales $9.5M · 2net −$8.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 15, 2026 FForm 4 →Aug 18, 3:23 pm EDTPeter K. JohanssonSVP, Chief Financial Officer2,914$79.59$231,92537,832—
Jul 15, 2026 FForm 4 →Jul 17, 3:17 pm EDTCandace Harris-PetersonChief Human Resources Officer890$79.03$70,33721,101—
Jul 5, 2026 FForm 4 →Jul 7, 11:03 am EDTKiril KovachevChief Accounting Officer460$82.15$37,78915,801—
Jun 24, 2026 SForm 4 →Jun 26, 5:13 pm EDTJason DezwirekDirector68,000$96.94$6,592,199132,000−34.0%
Jun 24, 2026 SForm 4 →Jun 26, 5:11 pm EDTPeter K. JohanssonSVP, Chief Financial Officer30,000$96.49$2,894,80240,746−42.4%
Jun 8, 2026 AForm 4 →Jun 10, 3:55 pm EDTCandace Harris-PetersonChief Human Resources Officer3,105——21,991—
Jun 1, 2026 AForm 4 →Jun 3, 7:35 pm EDTValerie Gentile SachsDirector3,190——105,334—
Jun 1, 2026 PForm 4 →Jun 3, 7:35 pm EDTRichard F WallmanDirector20,000$76.85$1,536,938105,500+23.4%
Jun 1, 2026 AForm 4 →Jun 3, 7:35 pm EDTRichard F WallmanDirector3,443——233,352—
Jun 1, 2026 AForm 4 →Jun 3, 7:15 pm EDTLaurie SiegelDirector2,215——22,133—
Jun 1, 2026 AForm 4 →Jun 3, 7:09 pm EDTRobert E Knowling Jr.Director2,215——13,077—
Jun 1, 2026 AForm 4 →Jun 3, 7:08 pm EDTMunish NandaDirector2,215——64,246—
Jun 1, 2026 AForm 4 →Jun 3, 7:04 pm EDTClaudio A MannarinoDirector1,108——78,697—
Jun 1, 2026 AForm 4 →Jun 3, 7:03 pm EDTJason DezwirekDirector2,215——1,236,080—
Jun 1, 2026 AForm 4 →Jun 3, 7:02 pm EDTCandace Harris-PetersonChief Human Resources Officer18,886——18,886—
Jun 1, 2026 AForm 4 →Jun 3, 7:02 pm EDTMarcus J GeorgeDirector38,905——38,905—
Jun 1, 2026 AForm 4 →Jun 3, 7:01 pm EDTVictor L Richey Jr.Director6,378——6,378—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 1, 2026 AForm 4 →Jun 3, 7:04 pm EDTClaudio A MannarinoDirector1,107——7,113—
Jun 1, 2026 AForm 4 →Jun 3, 7:01 pm EDTVictor L Richey Jr.Director2,215——2,215—