CECO Environmental Corp. (CECO)
TXSE: CECO · Industrial & Commercial Fans & Blowers & Air Purifing Equip · Addison, TX · filing with the SEC since 1995
Grade4.9
◀ Past 3.0● Present 5.2▶ Future 6.5
Who owns CECO Environmental Corp.
As filed with the SECHolders of 5% or more
3
Jason DeZwirek holds 11.7% of Common Stock, $0.01 par value, as its SCHEDULE 13D/A filed Feb 26, 2026 says.
Directors and officers
15
report now, of 29 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Jason DeZwirek
SCHEDULE 13D/A · filed Feb 26, 2026 · Common Stock, $0.01 par value
Fmr LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · COMMON STOCK · 6.2% in Aug 6, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 16, 2025 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Jan 30, 2026 · Common Stock · reported falling below 5%, from 5.01% in Oct 30, 2025
Capital International Investors
SCHEDULE 13G/A · filed Nov 13, 2025 · Common Stock · reported falling below 5%
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · COMMON STOCK · reported falling below 5%, from 6% in May 15, 2026
American Century Investment Management, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · reported falling below 5%, from 5.7% in Feb 13, 2026
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Apr 15, 2025 · Common Stock · reported falling below 5%
Hood River Capital Management LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock · reported falling below 5%, from 5.51% in May 15, 2025
What CECO reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
WK Group
A company bought · acquisition · Sep 2024 · owns, named in the 10-K filed Mar 2, 2026
EnviroCare International LLC
A company bought · acquisition · Jul 2024 · owns, named in the 10-K filed Mar 2, 2026
Environmental Integrated Solutions
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
Kemco Systems Co Llc
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
Profire Energy Inc
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
Verantis Environmental Solutions Group
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
57 subsidiaries in 12 countries, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
4sales
3purchases
0sales on a scheduled plan
3people selling
$10.3Msold, in dollars
$2.6Mbought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 29 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Dezwirek Jason | Secretary | 2 | $6.6M | 0 | 0 | $0 |
| Johansson Peter K. | SVP, Chief Financial Officer | 1 | $2.9M | 0 | 0 | $0 |
| Nanda Munish | director | 1 | $800,000 | 0 | 0 | $0 |
| Wallman Richard F | director | 0 | $0 | 0 | 3 | $2.6M |