Mao Robert Yu Lang — SEC Form 4 filings
SEC reporting owner CIK 1232218. 3 Form 4 filings on record with FilingPulse; latest filed 2024-05-24.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2024-03-04 to 2024-05-24. 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): 6 legs across 3 filings — 134,163 shares, $2,083,719 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 24.
- Largest priced transaction: sale of 39,314 shares @ $15.58 ($612,512) in Energy Recovery, Inc., filed 2024-03-04.
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) | Director | 3 | — | 6 legs · 134,163 sh · $2,083,719 | 24 |
Form 4 filings — Mao Robert Yu Lang
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2024-05-24 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 21,859 @ $7.79 · Option exercise (M): 5,208 @ $7.79 · Sale (S): 21,045 @ $13.86 · Option exercise (M): 10,752 @ $7.79 · Option exercise (M): 2,084 @ $7.79 · Option exercise (M): 21,859 (derivative) @ $7.79 · +3 more | EDGAR |
| 2024-03-06 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 20,509 @ $2.92 · Sale (S): 20,509 @ $15.74 · Option exercise (M): 15,327 @ $8.60 · Sale (S): 15,270 @ $15.74 · Option exercise (M): 16,726 @ $7.71 · Option exercise (M): 15,879 @ $8.49 · +6 more | EDGAR |
| 2024-03-04 | 4 | Energy Recovery, Inc. (ERII) | Option exercise (M): 39,314 @ $3.53 · Sale (S): 39,314 @ $15.58 · Option exercise (M): 5,142 @ $3.53 · Option exercise (M): 32,883 @ $2.92 · Sale (S): 5,142 @ $16.22 · Sale (S): 32,883 @ $16.21 · +3 more | 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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