R. Todd Gleason - 18 Sep 2025 Form 4 Insider Report for CECO ENVIRONMENTAL CORP (CECO)

Signature
/s/ Kiril Kovachev as Attorney-in-Fact for Todd Gleason
Issuer symbol
CECO
Transactions as of
18 Sep 2025
Net transactions value
-$11,288,936
Form type
4
Filing time
22 Sep 2025, 20:49:12 UTC
Previous filing
06 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gleason Todd R Chief Executive Officer, Director 5080 SPECTRUM DRIVE, SUITE 800E, ADDISON /s/ Kiril Kovachev as Attorney-in-Fact for Todd Gleason 22 Sep 2025 0001571235

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CECO Common Stock Options Exercise $1,272,000 +100,000 +24% $12.72 510,835 18 Sep 2025 Direct
transaction CECO Common Stock Sale $5,130,140 -100,000 -20% $51.30 410,835 18 Sep 2025 Direct F1
transaction CECO Common Stock Options Exercise $1,296,155 +101,899 +25% $12.72 512,734 19 Sep 2025 Direct
transaction CECO Common Stock Sale $4,173,704 -85,000 -17% $49.10 427,734 19 Sep 2025 Direct F2
transaction CECO Common Stock Sale $816,157 -16,199 -3.8% $50.38 411,535 19 Sep 2025 Direct F3
transaction CECO Common Stock Sale $35,808 -700 -0.17% $51.15 410,835 19 Sep 2025 Direct F4
transaction CECO Common Stock Options Exercise $1,247,845 +98,101 +24% $12.72 508,936 22 Sep 2025 Direct
transaction CECO Common Stock Sale $4,949,127 -98,101 -19% $50.45 410,835 22 Sep 2025 Direct F5
holding CECO Common Stock 444 18 Sep 2025 By first son
holding CECO Common Stock 444 18 Sep 2025 By second son
holding CECO Common Stock 444 18 Sep 2025 By third son
holding CECO Common Stock 444 18 Sep 2025 By daughter

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CECO Stock Option (right to buy) Options Exercise $0 -100,000 -11% $0.000000 798,204 18 Sep 2025 Common Stock 100,000 $12.72 Direct F6
transaction CECO Stock Option (right to buy) Options Exercise $0 -101,899 -13% $0.000000 696,305 18 Sep 2025 Common Stock 101,899 $12.72 Direct F6
transaction CECO Stock Option (right to buy) Options Exercise $0 -98,101 -14% $0.000000 598,204 22 Sep 2025 Common Stock 98,101 $12.72 Direct F6
holding CECO Stock Option (right to buy) 316,902 18 Sep 2025 Common Stock 316,902 $6.36 Direct F6
holding CECO Stock Options (right to buy) 25,446 18 Sep 2025 Common Stock 25,446 $21.32 Direct F7
holding CECO Stock Options (right to buy) 67,347 18 Sep 2025 Common Stock 67,347 $23.50 Direct F8
holding CECO Restricted Stock Units 225,000 18 Sep 2025 Common Stock 225,000 Direct F9, F10
holding CECO Restricted Stock Units 150,000 18 Sep 2025 Common Stock 150,000 Direct F9, F11
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Price reflects the weighted average sale price for multiple transactions that ranged from $51.00 to $51.96 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F2 Price reflects the weighted average sale price for multiple transactions that ranged from $48.75 to $49.65 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F3 Price reflects the weighted average sale price for multiple transactions that ranged from $50.00 to $50.97 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F4 Price reflects the weighted average sale price for multiple transactions that ranged from $51.04 to $51.38 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F5 Price reflects the weighted average sale price for multiple transactions that ranged from $50.15 to $50.71 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F6 The stock option vested in four equal annual installments beginning on July 6, 2021, and expires on July 6, 2027.
F7 The stock option vests in three equal annual installments beginning on March 15, 2025, and expires on March 15, 2034.
F8 The stock option vests in three equal annual installments beginning on March 17, 2026, and expires on March 17, 2035.
F9 Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.
F10 Conversion of restricted stock units to the Company's common stock will occur on July 5, 2027 assuming the applicable conditions are satisfied.
F11 Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the applicable conditions are satisfied.