Liu Tracy's Form 4 filing
ACM Research, Inc. (ACMR) · filed Aug 26, 2026
- Accession no.
- 0001140361-26-034527
- Filed
- Aug 26, 2026, 9:30 PM ET
- Trade date
- Aug 12, 2026
- Filing delay
- 14 daysLate
- Rule 10b5-1 plan
- Not checked
This filing lists 2 derivative transactions. It was filed 14 days after the trade, past the 2-business-day deadline.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Liu TracyCIK 0001721299 | Director |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
This filing has no transactions of this kind.
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 | Class A Common Stock | AGrant or awardAcquired | +6,400 | $0.00 | $0 | 6,400 | Direct | |
| Aug 12, 2026 | Class A Common Stock | AGrant or awardAcquired | +728 | $0.00 | $0 | 728 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.