Yeung William 4
4 · Energy Recovery, Inc. · Filed Oct 27, 2025
Insider Transaction Report
Form 4
Yeung William
Chief Legal Officer
Transactions
- Exercise/Conversion
Common Stock
2025-10-23$7.50/sh+3,530$26,475→ 100,899 total - Sale
Common Stock
2025-10-24$18.00/sh−3,530$63,540→ 97,369 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-10-24$10.19/sh−5,638$57,451→ 16,229 totalExercise: $10.19Exp: 2027-02-02→ Common Stock (5,638 underlying) - Exercise/Conversion
Common Stock
2025-10-24$7.50/sh+3,530$26,475→ 100,899 total - Exercise/Conversion
Common Stock
2025-10-24$10.19/sh+5,638$57,451→ 103,007 total - Sale
Common Stock
2025-10-24$18.00/sh−5,638$101,484→ 97,369 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-10-23$7.50/sh−3,530$26,475→ 17,650 totalExercise: $7.50Exp: 2028-02-01→ Common Stock (3,530 underlying) - Sale
Common Stock
2025-10-23$17.50/sh−3,530$61,775→ 97,369 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-10-24$7.50/sh−3,530$26,475→ 14,120 totalExercise: $7.50Exp: 2028-02-01→ Common Stock (3,530 underlying)
Holdings
- 5,568(indirect: By Spouse)
Common Stock
Footnotes (3)
- [F1]These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
- [F2]This employee stock option was granted on February 1, 2018. 25% of the shares fully vest on the 1st anniversary of the vesting start date; thereafter, the remaining 75%, vest 1/36th per month.
- [F3]25% of these options fully vest on the 1st anniversary of the vesting start date of 02/02/2017; thereafter, the remaining 75% vest 1/36th per month.