Yeung William — SEC Form 4 filings
SEC reporting owner CIK 1677876. 22 Form 4 filings on record with FilingPulse; latest filed 2026-07-29.
Transaction summary — filings shown
Covers all 22 filings on record, filed 2024-01-29 to 2026-07-29. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 20 legs across 14 filings — 90,876 shares, $1,383,915 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 30.
- Largest priced transaction: sale of 33,554 shares @ $14.51 ($486,869) in Energy Recovery, Inc., filed 2025-09-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Energy Recovery, Inc. (ERII) | Chief Legal Officer | 22 | — | 20 legs · 90,876 sh · $1,383,915 | 30 |
Form 4 filings — Yeung William
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-29 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 2,828 @ $8.42 · Sale (S): 2,048 @ $8.56 | EDGAR |
| 2026-02-19 | 4 | Energy Recovery, Inc. (ERII) | Grant/award (A): 25,959 @ $0 | EDGAR |
| 2026-02-09 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 890 @ $14.59 · Sale (S): 646 @ $15.14 | EDGAR |
| 2026-02-03 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 7,271 @ $14.55 · Tax withholding (F): 1,003 @ $14.65 · Tax withholding (F): 8,622 @ $14.30 · Sale (S): 729 @ $14.46 | EDGAR |
| 2025-10-27 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 3,530 @ $7.50 · Sale (S): 3,530 @ $17.50 · Option exercise (M): 5,638 @ $10.19 · Sale (S): 5,638 @ $18 · Option exercise (M): 3,530 @ $7.50 · Sale (S): 3,530 @ $18 · +3 more | EDGAR |
| 2025-10-22 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 3,530 @ $7.50 · Sale (S): 3,530 @ $17 · Option exercise (M): 3,530 (derivative) @ $7.50 | EDGAR |
| 2025-10-17 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 3,530 @ $7.50 · Sale (S): 3,530 @ $16.50 · Option exercise (M): 3,530 (derivative) @ $7.50 | EDGAR |
| 2025-10-07 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 1,038 @ $7.50 · Sale (S): 1,038 @ $16 · Option exercise (M): 2,529 @ $7.50 · Sale (S): 2,529 @ $16 · Option exercise (M): 1,038 (derivative) @ $7.50 · Option exercise (M): 2,529 (derivative) @ $7.50 | EDGAR |
| 2025-09-22 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 15,454 @ $8.95 · Sale (S): 15,454 @ $15.09 · Option exercise (M): 15,454 (derivative) @ $8.95 | EDGAR |
| 2025-09-15 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 30,877 @ $8.95 · Sale (S): 33,554 @ $14.51 · Option exercise (M): 30,877 (derivative) @ $8.95 | EDGAR |
| 2025-07-29 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 1,989 @ $13.88 | EDGAR |
| 2025-03-12 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 944 @ $16.37 | EDGAR |
| 2025-02-05 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 882 @ $14.34 | EDGAR |
| 2025-02-03 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 698 @ $14.33 · Tax withholding (F): 627 @ $14.56 | EDGAR |
| 2025-01-29 | 4 | Energy Recovery, Inc. (ERII) | Tax withholding (F): 4,061 @ $14.40 | EDGAR |
| 2025-01-27 | 4 | Energy Recovery, Inc. (ERII) | Grant/award (A): 23,956 @ $0 | EDGAR |
| 2024-07-30 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 2,012 @ $14.63 | EDGAR |
| 2024-03-13 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 978 @ $14.98 | EDGAR |
| 2024-02-07 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 1,013 @ $14.89 | EDGAR |
| 2024-02-05 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 733 @ $15.64 · Sale (S): 1,400 @ $15.30 | EDGAR |
| 2024-02-01 | 4 | Energy Recovery, Inc. (ERII) | Sale (S): 823 @ $15.91 | EDGAR |
| 2024-01-29 | 4 | Energy Recovery, Inc. (ERII) | Grant/award (A): 39,542 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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