William Yeung
CIK: 0001677876
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Energy Recovery, Inc.
Discretionary Trading P&L
Holdings
Transaction History (34 total)
- Jul 28, 2026ERII
Energy Recovery, Inc.
Sale(S)Direct2K shares at avg. $8.56$18K - Jul 27, 2026ERII
Energy Recovery, Inc.
Tax Payment(F)Direct2.8K shares at avg. $8.42$24K - Feb 17, 2026ERII
Energy Recovery, Inc.
Award(A)Direct26K shares- - Feb 6, 2026ERII
Energy Recovery, Inc.
Sale(S)Direct646 shares at avg. $15.14$10K - Feb 5, 2026ERII
Energy Recovery, Inc.
Sale(S)Direct890 shares at avg. $14.59$13K - Feb 2, 2026ERII
Energy Recovery, Inc.
Sale(S)Direct729 shares at avg. $14.46$11K - Jan 30, 2026ERII
Energy Recovery, Inc.
Tax Payment(F)Direct8.6K shares at avg. $14.30$123K - Jan 30, 2026ERII
Energy Recovery, Inc.
Tax Payment(F)Direct1K shares at avg. $14.65$15K - Jan 28, 2026ERII
Energy Recovery, Inc.
Sale(S)Direct7.3K shares at avg. $14.55$106K - Oct 24, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct5.6K shares at avg. $10.19$57K - Oct 24, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct3.5K shares at avg. $7.50$26K - Oct 24, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct3.5K shares at avg. $18.00$64K - Oct 24, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct5.6K shares at avg. $18.00$101K - Oct 23, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct3.5K shares at avg. $7.50$26K - Oct 23, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct3.5K shares at avg. $17.50$62K - Oct 20, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct3.5K shares at avg. $7.50$26K - Oct 20, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct3.5K shares at avg. $17.00$60K - Oct 16, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct3.5K shares at avg. $16.50$58K - Oct 16, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct3.5K shares at avg. $7.50$26K - Oct 3, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct1K shares at avg. $7.50$8K - Oct 3, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct2.5K shares at avg. $7.50$19K - Oct 3, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct2.5K shares at avg. $16.00$40K - Oct 3, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct1K shares at avg. $16.00$17K - Sep 18, 2025ERII
Energy Recovery, Inc.
Sale(S)Direct15.5K shares at avg. $15.09$233K - Sep 18, 2025ERII
Energy Recovery, Inc.
Exercise(M)Direct15.5K shares at avg. $8.95$138K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 28, 2026 | ERII Energy Recovery, Inc. | Sale(S) | 2,048 | $8.56 | $17,531 | Direct |
| Jul 27, 2026 | ERII Energy Recovery, Inc. | Tax Payment(F) | 2,828 | $8.42 | $23,812 | Direct |
| Feb 17, 2026 | ERII Energy Recovery, Inc. | Award(A) | 25,959 | - | $0 | Direct |
| Feb 6, 2026 | ERII Energy Recovery, Inc. | Sale(S) | 646 | $15.14 | $9,780 | Direct |
| Feb 5, 2026 | ERII Energy Recovery, Inc. | Sale(S) | 890 | $14.59 | $12,985 | Direct |
| Feb 2, 2026 | ERII Energy Recovery, Inc. | Sale(S) | 729 | $14.46 | $10,541 | Direct |
| Jan 30, 2026 | ERII Energy Recovery, Inc. | Tax Payment(F) | 8,622 | $14.30 | $123,295 | Direct |
| Jan 30, 2026 | ERII Energy Recovery, Inc. | Tax Payment(F) | 1,003 | $14.65 | $14,694 | Direct |
| Jan 28, 2026 | ERII Energy Recovery, Inc. | Sale(S) | 7,271 | $14.55 | $105,793 | Direct |
| Oct 24, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 5,638 | $10.19 | $57,451 | Direct |
| Oct 24, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 3,530 | $7.50 | $26,475 | Direct |
| Oct 24, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 3,530 | $18.00 | $63,540 | Direct |
| Oct 24, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 5,638 | $18.00 | $101,484 | Direct |
| Oct 23, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 3,530 | $7.50 | $26,475 | Direct |
| Oct 23, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 3,530 | $17.50 | $61,775 | Direct |
| Oct 20, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 3,530 | $7.50 | $26,475 | Direct |
| Oct 20, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 3,530 | $17.00 | $60,010 | Direct |
| Oct 16, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 3,530 | $16.50 | $58,245 | Direct |
| Oct 16, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 3,530 | $7.50 | $26,475 | Direct |
| Oct 3, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 1,038 | $7.50 | $7,785 | Direct |
| Oct 3, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 2,529 | $7.50 | $18,968 | Direct |
| Oct 3, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 2,529 | $16.00 | $40,464 | Direct |
| Oct 3, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 1,038 | $16.00 | $16,608 | Direct |
| Sep 18, 2025 | ERII Energy Recovery, Inc. | Sale(S) | 15,454 | $15.09 | $233,139 | Direct |
| Sep 18, 2025 | ERII Energy Recovery, Inc. | Exercise(M) | 15,454 | $8.95 | $138,313 | Direct |
1-25 of 34 transactions
About Yeung William
Yeung William (SEC CIK 0001677876) files insider reports with the SEC as Chief Legal Officer of Energy Recovery, Inc. (ERII).
Signal8 holds 16 ownership filings by Yeung William, all Form 4s, filed between Jan 27, 2025 and Jul 29, 2026. Those filings report 34 transactions, from Jan 23, 2025 to Jul 28, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Yeung William's filings is in SAN LEANDRO, CA.
Recent filings by Yeung William
- Jul 28, 2026: Open-market sale of ERII shares (Form 4, code S).
- Jul 27, 2026: Tax withholding of ERII shares (Form 4, code F).
- Feb 17, 2026: Grant or award of ERII shares (Form 4, code A).
- Feb 6, 2026: Open-market sale of ERII shares (Form 4, code S).
- Feb 5, 2026: Open-market sale of ERII shares (Form 4, code S).
Other insiders filing for Energy Recovery, Inc. (ERII)
- Mitchell John Joseph, Director
- Clemente Rodney, SVP, Water
- Ryan Aidan, Interim CFO
- Sabol Colin R, Director
- BUEHLER ALEXANDER J, Interim President and CEO
- TONDREAU PAMELA L., Director