AI assistant
ACM Research, Inc. — Director's Dealing 2025
Dec 5, 2025
31514_dirs_2025-12-05_dcf96940-42b4-42b8-8a6a-0c4a48d51fda.zip
Director's Dealing
Open in viewerOpens in your device viewer
SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: ACM Research, Inc. (ACMR)
CIK: 0001680062
Period of Report: 2025-12-03
Reporting Person: Wang David H (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-12-03 | Class A Common Stock | M | 70000 | $1 | Acquired | 872708 | Direct |
| 2025-12-03 | Class A Common Stock | S | 68800 | $33.05 | Disposed | 803908 | Direct |
| 2025-12-03 | Class A Common Stock | S | 1200 | $33.56 | Disposed | 802708 | Direct |
| 2025-12-04 | Class A Common Stock | M | 60000 | $1 | Acquired | 862708 | Direct |
| 2025-12-04 | Class A Common Stock | S | 19817 | $33.52 | Disposed | 842891 | Direct |
| 2025-12-04 | Class A Common Stock | S | 40183 | $34.42 | Disposed | 802708 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-12-03 | Stock Option | $1 | M | 70000 | Disposed | 2026-12-27 | Class A Common Stock (70000) | Direct |
| 2025-12-04 | Stock Option | $1 | M | 60000 | Disposed | 2026-12-27 | Class A Common Stock (60000) | Direct |
Holdings (Non-Derivative)
| Security | Shares | Ownership |
|---|---|---|
| Class A Common Stock | 100002 | Indirect |
| Class A Common Stock | 45837 | Indirect |
| Class A Common Stock | 180000 | Indirect |
| Class A Common Stock | 620001 | Indirect |
Footnotes
F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.
F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.51 to $33.48, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), (4), and (5) to this Form 4.
F3: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $33.53 to $33.59, inclusive.
F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $33.07 to $34.04, inclusive.
F5: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.18 to $34.63, inclusive.
F6: The option is fully vested and exercisable.