Cheav Sotheara — SEC Form 4 filings
SEC reporting owner CIK 1721279. 5 Form 4 filings on record with FilingPulse; latest filed 2026-06-05.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-03-15 to 2026-06-05. 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): 13 legs across 5 filings — 72,500 shares, $3,075,115 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 9,212 shares @ $85.11 ($784,033) in ACM Research, Inc., filed 2026-06-05.
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 |
|---|---|---|---|---|---|
| ACM Research, Inc. (ACMR) | See remarks | 5 | — | 13 legs · 72,500 sh · $3,075,115 | 12 |
Form 4 filings — Cheav Sotheara
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-05 | 4 | ACM Research, Inc. (ACMR) | Option exercise (M): 13,351 @ $13.89 · Sale (S): 1,300 @ $84.08 · Sale (S): 9,212 @ $85.11 · Sale (S): 2,839 @ $85.77 · Option exercise (M): 5,399 @ $13.89 · Sale (S): 2,384 @ $81.73 · +5 more | EDGAR |
| 2025-09-19 | 4 | ACM Research, Inc. (ACMR) | Option exercise (M): 10,000 @ $13.89 · Sale (S): 10,000 @ $35 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2025-08-26 | 4 | ACM Research, Inc. (ACMR) | Option exercise (M): 11,152 @ $13.89 · Sale (S): 11,152 @ $30 · Option exercise (M): 11,152 (derivative) @ $0 | EDGAR |
| 2025-02-10 | 4 | ACM Research, Inc. (ACMR) | Option exercise (M): 10,000 @ $13.89 · Option exercise (M): 12,598 @ $13.89 · Sale (S): 22,598 @ $23 · Option exercise (M): 10,000 (derivative) @ $0 · Option exercise (M): 12,598 (derivative) @ $0 | EDGAR |
| 2024-03-15 | 4 | ACM Research, Inc. (ACMR) | Sale (S): 5,000 @ $29.09 · Sale (S): 2,617 @ $27.49 · Sale (S): 2,383 @ $28.32 | 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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