ACM Research (ACMR) director Dun acquired 25,001 shares at $0.50
Insider transactions reported
Haiping Dun (director at ACM Research Inc., ACMR) reported that they acquired 25,001 shares at $0.50, and gave up 482 shares at $25.94 to cover taxes or an exercise price on Mar 3, 2025. After these transactions the filing shows 779,609 shares held directly.
- Reporting person
- Dun Haiping
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Mar 3, 2025 | Exercise or conversion of a derivative (M) | Class A Common Stock1 | +25,001 | $0.50 | $12.5K | 780,091 direct |
| Mar 3, 2025 | Shares withheld for taxes or exercise price (F) | Class A Common Stock1 | -482 | $25.94 | $12.5K | 779,609 direct |
Options and other derivatives
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Mar 3, 2025 | Exercise or conversion of a derivative (M) | Stock OptionOn 25,001 Class A Common Stock1, 2 | -25,001 | - | - | 0 direct |
Holdings before and after
- Class A Common Stock: 755,090 to 779,609 direct
- Stock Option: 25,001 to 0 direct
Other positions listed
- Class A Common Stock: 100,000 indirect, Dun Family GST Trust
Footnotes from the filing
- 1. On March 3 2025, the reporting person exercised, by net exercise, a previously issued stock option to purchase 25,001 shares of Class A Common Stock of the Issuer. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer withholding 482 shares of Class A Common Stock for payment of the exercise price, based on the closing price of the Issuer's Class A Common Stock on February 28, 2025 of $25.94, and issuing to the reporting person the remaining 24,519 shares of Class A Common Stock.
- 2. The option is fully vested and exercisable.
Transaction codes in this filing
- Exercise or conversion of a derivative:
- Code M marks the exercise or conversion of an option or other derivative under an exempt plan.
- Shares withheld for taxes or exercise price:
- Code F marks shares handed back or withheld to pay taxes or an exercise price. No sale happens in the market.
FAQ
What did Dun report in this ACMR Form 4?
Haiping Dun (director at ACM Research Inc., ACMR) reported that they acquired 25,001 shares at $0.50, and gave up 482 shares at $25.94 to cover taxes or an exercise price on Mar 3, 2025. After these transactions the filing shows 779,609 shares held directly.
How many ACMR shares does Dun hold after this filing?
The filing shows 779,609 shares held directly after the reported transactions. Form 4 reports only the positions it lists, so this may not be every holding.
What does transaction code M mean on an SEC Form 4?
Code M marks the exercise or conversion of an option or other derivative under an exempt plan.
Historical context for ACMR
Earlier insider filings at ACMR
- Mar 5, 2025Officer Wang David H covered exercise/tax liability with 4,048 shares and exercised 210,000 shares at a strike of $0.50, increasing direct ownership by 34% to 803,958 units (SEC Form 4)
- Feb 10, 2025Officer Cheav Sotheara sold $519,754 worth of shares (22,598 units at $23.00) and exercised 22,598 shares at a strike of $13.89 (SEC Form 4)
- Feb 10, 2025Officer Mckechnie Mark sold $330,000 worth of shares (15,000 units at $22.00) and exercised 15,000 shares at a strike of $5.60 (SEC Form 4)
- Dec 3, 2024Director Dun Haiping sold $332,181 worth of shares (19,058 units at $17.43), decreasing direct ownership by 2% to 755,090 units (SEC Form 4)
- Dec 3, 2024Officer Wang David H sold $981,000 worth of shares (56,250 units at $17.44), decreasing direct ownership by 9% to 598,006 units (SEC Form 4)
- Market cap
- 30-day
- Sector
- Technology
- Industry
- Industrial Machinery/Components
- Listed since
- 2017
Follow ACMR and get a push notification the moment its next story breaks.