CECO ENVIRONMENTAL CORP
Total Trades
20
Buys
10
Sells
9
Largest Trade
$1M+
Insiders
8
Institutional Funds
181
Inst. Value
$1M+
Activist Filings
23
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Gleason Todd R | CEO | SELL | $1M+ | 300K | $50.35 | Sep 23, 2025 |
| Gleason Todd R | CEO | EXERCISE | $1M+ | 300K | $12.72 | Sep 23, 2025 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 3K | $46.93 | Sep 9, 2025 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 5K | $44.25 | Sep 3, 2025 |
| DEZWIREK JASON | Director | SELL | $1M+ | 100K | $42.98 | Aug 1, 2025 |
| Mannarino Claudio A | Director | SELL | $500K+ | 20K | $41.51 | Aug 1, 2025 |
| Johansson Peter K. | See Remarks | SELL | $500K+ | 23K | $22.80 | Apr 2, 2025 |
| Johansson Peter K. | See Remarks | SELL | $100K–$500K | 6K | $24.15 | Mar 31, 2025 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 15K | $25.18 | Feb 27, 2025 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 10K | $28.77 | Sep 3, 2024 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 5K | $21.95 | May 2, 2024 |
| Gleason Todd R | CEO | SELL | $100K–$500K | 15K | $21.11 | Dec 26, 2023 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 10K | $15.99 | Sep 19, 2023 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 12K | $13.76 | Sep 11, 2023 |
| Gohr Paul M | Chief Accounting O… | SELL | $100K–$500K | 12K | $14.41 | Mar 29, 2023 |
| Liner David B | Director | BUY | $15K–$50K | 3K | $13.62 | Mar 17, 2023 |
| Nuggihalli Ramesh | COO | SELL | $100K–$500K | 12K | $14.75 | Mar 13, 2023 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 10K | $15.07 | Mar 8, 2023 |
| Gleason Todd R | CEO | SELL | $100K–$500K | 11K | $11.59 | Jan 3, 2023 |
| Nuggihalli Ramesh | COO | BUY | $1K–$15K | 250 | $11.25 | Nov 21, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 181 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| AMERICAN CENTURY COMPANIES INC | 2.0M | $1M+ | SH |
| KING LUTHER CAPITAL MANAGEMENT CORP | 951K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 843K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 741K | $1M+ | SH |
| Capital International Investors | 722K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 706K | $1M+ | SH |
| STATE STREET CORP | 651K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 633K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 459K | $1M+ | SH |
| Capital World Investors | 333K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 288K | $1M+ | SH |
| IES Holdings, Inc. | 283K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 261K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 254K | $1M+ | SH |
| MARTIN & CO INC /TN/ | 243K | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 202K | $1M+ | SH |
| DEUTSCHE BANK AG\ | 201K | $1M+ | SH |
| Allspring Global Investments Holdings, LLC | 194K | $1M+ | SH |
| SEGALL BRYANT & HAMILL, LLC | 184K | $1M+ | SH |
| PEREGRINE CAPITAL MANAGEMENT LLC | 183K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Feb 26, 2026
11.7%
4.2M shares
American Century Investment Management, Inc.
SC 13G · Feb 13, 2026
5.7%
2.0M shares
SC 13G/A · Jan 30, 2026
5.0%
1.8M shares
Hood River Capital Management LLC
SC 13G/A · Nov 14, 2025
1.4%
492K shares
Capital International Investors
SC 13G/A · Nov 13, 2025
4.7%
1.7M shares
SC 13G · Oct 30, 2025
5.0%
1.8M shares
SC 13G/A · Aug 6, 2025
6.2%
2.2M shares
SC 13G/A · Jul 16, 2025
6.3%
2.2M shares
Hood River Capital Management LLC
SC 13G · May 15, 2025
5.5%
1.9M shares
SC 13G/A · Apr 15, 2025
3.6%
1.3M shares
SC 13G · Feb 12, 2025
5.1%
1.8M shares
Capital International Investors 95-1411037
SC 13G · Nov 13, 2024
5.0%
1.8M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Oct 31, 2024
5.1%
1.8M shares
SC 13G · Jan 26, 2024
7.4%
2.6M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
6.9%
2.4M shares
SC 13G/A · Feb 10, 2023
1.7%
573K shares
SC 13G/A · Jan 25, 2023
8.9%
3.0M shares
LKCM Private Discipline Master Fund, SPC
SC 13D/A · Jan 6, 2023
4.7%
1.6M shares
LKCM Private Discipline Master Fund, SPC
SC 13D/A · Aug 17, 2022
5.5%
1.9M shares
SC 13G · Jul 8, 2022
2.6%
909K shares
SC 13G/A · Feb 10, 2022
12.4%
4.5M shares
SC 13G/A · Feb 10, 2022
4.1%
1.5M shares
SC 13G/A · Jan 31, 2022
6.7%
2.4M shares