 Atmus Filtration Technologies Inc.ATMU | $16M363k shares | SellJun 1, 2026 | $1.2M25.7k shares | $45.25 | -- |
 CECO Environmental Corp.CECO | $8.1M105.5k shares | BuyJun 1, 2026 | $1.5M20k shares | $76.85 | -- |
| Atmus Filtration Technologies Inc.ATMU | $3.4M75.8k shares | SellJun 1, 2026 | $232.2K5.1k shares | $45.25 | -- |
| CECO Environmental Corp.CECO | --1.2M shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --36.7k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable36.7k shares | -- | -- |
| CECO Environmental Corp.CECO | --38.9k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --3.1k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable3.1k shares | -- | -- |
| CECO Environmental Corp.CECO | --5.9k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.7k shares | -- | -- |
| CECO Environmental Corp.CECO | --12.2k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable6.3k shares | -- | -- |
| CECO Environmental Corp.CECO | --13.6k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable1.4k shares | -- | -- |
| CECO Environmental Corp.CECO | --18.3k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable4.7k shares | -- | -- |
| CECO Environmental Corp.CECO | --18.9k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable625 shares | -- | -- |
| CECO Environmental Corp.CECO | --13.1k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --7.1k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable1.1k shares | -- | -- |
| CECO Environmental Corp.CECO | --78.7k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable1.1k shares | -- | -- |
| CECO Environmental Corp.CECO | --64.2k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --2.2k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --6.4k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable6.4k shares | -- | -- |
| CECO Environmental Corp.CECO | --105.3k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable3.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --22.1k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable2.2k shares | -- | -- |
| CECO Environmental Corp.CECO | --233.4k shares | Grant / ExerciseJun 1, 2026 | Disclosure amount unavailable3.4k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | $2.0M43.6k shares | SellJun 1, 2026 | $130.8K2.9k shares | $45.25 | -- |
| Atmus Filtration Technologies Inc.ATMU | $2.3M50.7k shares | SellJun 1, 2026 | $116.1K2.6k shares | $45.25 | -- |
 Zurn Elkay Water Solutions CorporationZWS | --26.4k shares | Grant / ExerciseMay 28, 2026 | Disclosure amount unavailable2.3k shares | -- | -- |
 PureCycle Technologies, Inc.PCTTW | $1.1M96.6k shares | Grant / ExerciseMay 20, 2026 | $35.8K3k shares | $11.86 | -- |
 PureCycle Technologies, Inc.PCT | $1.1M96.6k shares | Grant / ExerciseMay 20, 2026 | $35.8K3k shares | $11.86 | -- |
| PureCycle Technologies, Inc.PCT | --3k shares | OtherMay 20, 2026 | $35.8K3k shares | $11.86 | -- |
| PureCycle Technologies, Inc.PCTTW | $16M1.3M shares | Grant / ExerciseMay 20, 2026 | $25.4K2.1k shares | $11.86 | -- |
| PureCycle Technologies, Inc.PCT | $16M1.3M shares | Grant / ExerciseMay 20, 2026 | $25.4K2.1k shares | $11.86 | -- |
| PureCycle Technologies, Inc.PCT | --2.1k shares | OtherMay 20, 2026 | $25.4K2.1k shares | $11.86 | -- |
 VERALTO CORPVLTO | $1.7M19.8k shares | Grant / ExerciseMay 15, 2026 | $35.9K423 shares | $84.83 | -- |
 Energy Recovery, Inc.ERII | $312k37.4k shares | BuyMay 13, 2026 | $166.8K20k shares | $8.34 | -- |
| PureCycle Technologies, Inc.PCTTW | --101.8k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --101.8k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --19.3k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --106.4k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --106.4k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --28.5k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable28.5k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --156.8k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --156.8k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --11.7k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | $1.3M23.9k shares | BuyMay 12, 2026 | $561 shares | $55.74 | -- |
| Atmus Filtration Technologies Inc.ATMU | --28.4k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --96.1k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --96.1k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --21.2k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --21.2k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --20.5k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --38.6k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --21.3k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --21.3k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --160.5k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --160.5k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCTTW | --34.1M shares | BuyMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| PureCycle Technologies, Inc.PCT | --34.1M shares | BuyMay 12, 2026 | Disclosure amount unavailable16.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --5.7k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | --11.7k shares | Grant / ExerciseMay 12, 2026 | Disclosure amount unavailable2.6k shares | -- | -- |
| Atmus Filtration Technologies Inc.ATMU | $1.4M25.7k shares | BuyMay 12, 2026 | $104.4K1.9k shares | $55.74 | -- |
| Atmus Filtration Technologies Inc.ATMU | $1.3M23.9k shares | BuyMay 12, 2026 | $5.6K100 shares | $55.71 | -- |
 Federal Signal CorpFSS | $75M641.7k shares | Grant / ExerciseMay 4, 2026 | $904.1K7.7k shares | $117.49 | -- |
| Federal Signal CorpFSS | $10M86.5k shares | Grant / ExerciseMay 4, 2026 | $267.6K2.3k shares | $117.49 | -- |
| Federal Signal CorpFSS | $11M96.7k shares | Grant / ExerciseMay 4, 2026 | $194.7K1.7k shares | $117.49 | -- |
| Federal Signal CorpFSS | $2.4M20.1k shares | Grant / ExerciseMay 4, 2026 | $113.0K962 shares | $117.49 | -- |
 Arq, Inc.ARQ | $110k48.3k shares | SellMay 4, 2026 | $37.9K16.7k shares | $2.27 | -- |
| Federal Signal CorpFSS | $79M649.4k shares | Grant / ExerciseMay 1, 2026 | $3.6M29.7k shares | $121.61 | -- |
| CECO Environmental Corp.CECO | $4.6M62k shares | SellMay 1, 2026 | $830.1K11.2k shares | $74.00 | -- |
| Federal Signal CorpFSS | $059.2k shares | Grant / ExerciseMay 1, 2026 | $750.0K59.2k shares | $12.66 | -- |
| VERALTO CORPVLTO | $420k4.8k shares | SellMay 1, 2026 | $26.5K300 shares | $88.21 | -- |
 374Water, Inc.SCWO | $4.4M1.8M shares | Grant / ExerciseApr 30, 2026 | $3.6M1.4M shares | $2.48 | -- |
| CECO Environmental Corp.CECO | $17M229.9k shares | BuyApr 29, 2026 | $732.5K10k shares | $73.25 | -- |
| CECO Environmental Corp.CECO | $6.3M85.5k shares | BuyApr 29, 2026 | $369.0K5k shares | $73.80 | -- |
 TOMI Environmental Solutions, Inc.TOMZ | $17k30k shares | Grant / ExerciseApr 22, 2026 | $5.5K10k shares | $0.55 | -- |
| TOMI Environmental Solutions, Inc.TOMZ | $115k208.5k shares | Grant / ExerciseApr 22, 2026 | $5.5K10k shares | $0.55 | -- |