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CECO · NASDAQ · Industrial - Pollution & Treatment Controls

CECO Environmental (CECO)

Builds industrial emissions, water-treatment, ducting, and process-heating systems.

$73.62
vs last close+2.09 (+2.92%)

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13F · 13D/G · Form 4

Insiders4.55%2.67M shares
16 holders · as of Aug 18, 2026
Other95.45%55.90M shares
remainder

58.57M company shares as of Sep 22, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
Jason DezwirekInsiderdirector
2.34%1.37Mfiled Jun 26, 2026
Todd R. GleasonInsiderdirector, officer: Chief Executive Officer
0.77%450,688filed Apr 2, 2026
Richard F. WallmanInsiderdirector
0.58%338,852filed Jun 3, 2026
Valerie Gentile SachsInsiderdirector
0.18%105,334filed Jun 3, 2026
Claudio A. MannarinoInsiderdirector
0.13%78,697filed Jun 3, 2026
Joycelynn Watkins-AsiyanbiInsiderofficer: See Remarks.
0.12%73,178filed Jun 30, 2025
Munish NandaInsiderdirector
0.11%64,246filed Jun 3, 2026
Marcus J. GeorgeInsiderdirector
0.07%38,905filed Jun 3, 2026
Peter K. JohanssonInsiderofficer: SVP, Chief Financial Officer
0.06%37,832filed Aug 18, 2026
Alyson Noel GregoryInsiderofficer: General Counsel
0.04%23,019filed Apr 2, 2026
Laurie SiegelInsiderdirector
0.04%22,133filed Jun 3, 2026
Candace Harris-PetersonInsiderofficer: Chief Human Resources Officer
0.04%21,101filed Jul 17, 2026
Kiril KovachevInsiderofficer: Chief Accounting Officer
0.03%15,801filed Jul 7, 2026
Robert E. Jr KnowlingInsiderdirector
0.02%13,077filed Jun 3, 2026
Sam Weston HendersonInsiderofficer: See Remarks.
0.02%10,000filed Jan 12, 2026
Victor L. Jr RicheyInsiderdirector
0.01%6,378filed Jun 3, 2026
American Century Companies, Inc.Strategic
—5.76% of class, as filed—filed Feb 11, 2021
American Century Investment Management, Inc.Institution
—5.70% of class, as filed—filed Feb 13, 2026
BlackRock, Inc.Strategic
—6.30% of class, as filed—filed Jul 16, 2025
FMR LLCStrategic
—6.20% of class, as filed—filed Aug 6, 2025
Inc.Strategic
—8.00% of class, as filed—filed Feb 10, 2022
T. Rowe Price Investment Management, Inc.Institution
—6.00% of class, as filed—filed May 15, 2026
Trigran Investments, L.P.Institution
—12.00% of class, as filed—filed Feb 10, 2022
Todd S. Nelson1Insiderdirector, officer: President & CEO
1.05%617,149filed Sep 16, 2019
Ashish R. Ghia2Insiderofficer: CFO
0.37%219,285filed Dec 16, 2019
  1. Last filed Sep 16, 2019; leaving the company requires no filing. Not in the bar.
  2. Last filed Dec 16, 2019; leaving the company requires no filing. Not in the bar.

13F

No 13F holders on record.

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Jason DeZwirekincl. Icarus Investment Corp., 0to100 Inc.11.70%4.20M13DFeb 26, 2026
BlackRock, Inc.6.30%2.22M13GJul 16, 2025
FMR LLC6.20%2.17M13GAug 6, 2025
T. Rowe Price Investment Management, Inc.6.00%2.13M13GMay 15, 2026
American Century Investment Management, Inc.5.70%2.04M13GFeb 13, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 24, 2026
Peter K. Johanssonofficer: SVP, Chief Financial Officer
Sale30,000$96.4940,746
Jun 25, 2026
Jason Dezwirekdirector
Sale34,000$97.28132,000
Jun 24, 2026
Jason Dezwirekdirector
Sale34,000$96.61166,000
Jun 1, 2026
Richard F. Wallmandirector
Purchase20,000$76.85105,500
May 1, 2026
Munish Nandadirector
Sale11,218$74.0062,031
Apr 29, 2026
Richard F. Wallmandirector
Purchase · 2 lots15,000$73.43315,409
Sep 18, 2025
Todd R. Gleasondirector, officer: Chief Executive Officer
Sale100,000$51.30410,835
Sep 19, 2025
Todd R. Gleasondirector, officer: Chief Executive Officer
Sale · 3 lots101,899$49.32410,835
Sep 22, 2025
Todd R. Gleasondirector, officer: Chief Executive Officer
Sale98,101$50.45410,835

House and Senate disclosures

Not reported.