ACM Research insider exercises options, sells shares
ACM Research insider David H. Wang, a director, officer and more than 10% owner, exercised stock options and sold shares of Class A Common Stock.
Rhea-AI Filing Summary
ACM Research insider David H. Wang, a director, officer and more than 10% owner, exercised stock options and sold shares of Class A Common Stock. On March 11–12, 2026, he exercised options for a total of 110,000 shares at an exercise price of $1.00 per share.
Over the same two days, Wang executed open-market sales totaling 110,000 shares at weighted average prices ranging from the mid‑$44 to high‑$48 range, under a pre-arranged Rule 10b5‑1 trading plan adopted on November 29, 2024. After these transactions, he held 802,708 shares directly, plus additional indirect holdings through family members and family trusts.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Exercise and Sale: 110,000 shares ($5.04M approx. pre-tax spread)
Exercise and Sale
13 txns
Insider
Wang David H
Role
See Remarks
Sold
110,000 shs ($5.15M)
Approx. gross sale proceeds
$5.15M
Approx. exercise cost
$110K
Approx. pre-tax spread
$5.04M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option | 50,000 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 50,000 | $1.00 | $50K |
| Sale | Class A Common Stock | 10,561 | $44.92 | $474K |
| Sale | Class A Common Stock | 38,737 | $45.74 | $1.77M |
| Sale | Class A Common Stock | 702 | $46.57 | $33K |
| Exercise | Stock Option | 60,000 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 60,000 | $1.00 | $60K |
| Sale | Class A Common Stock | 55,373 | $47.89 | $2.65M |
| Sale | Class A Common Stock | 4,627 | $48.34 | $224K |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Option — 370,002 contracts (Direct);
Class A Common Stock — 802,708 shares (Direct);
Class A Common Stock — 100,002 shares (Indirect, By Jing Chen, wife of David H. Wang);
Class A Common Stock — 45,837 shares (Indirect, By Sophia Wang, daughter of David H. Wang);
Class A Common Stock — 180,000 shares (Indirect, By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children);
Class A Common Stock — 620,001 shares (Indirect, By Wang-Chen Family Living Trust)
Footnotes (7)
- F1. The sales reported on 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. These shares were sold in multiple transactions at prices ranging from $47.23 to $48.22, 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), (5), and (6) 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 $48.23 to $48.61, inclusive.
- F4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $44.40 to $45.39, inclusive.
- F5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.40 to $46.39, inclusive.
- F6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.45 to $46.59, inclusive.
- F7. The option is fully vested and exercisable.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did ACM Research (ACMR) insider David H. Wang report in this Form 4?
David H. Wang reported exercising stock options and selling Class A Common Stock. He exercised options for 110,000 shares at $1.00 per share and sold 110,000 shares in open-market transactions over March 11–12, 2026 under a pre-arranged trading plan.
Were David H. Wang’s ACM Research (ACMR) stock sales part of a Rule 10b5-1 plan?
Yes. A footnote explains the sales were executed under a Rule 10b5-1 trading plan adopted on November 29, 2024. Such plans pre-schedule trades, indicating these sales were planned in advance rather than being ad hoc market-timing decisions by the insider.
What option activity did ACM Research (ACMR) insider David H. Wang report?
He reported exercising stock options for 110,000 underlying Class A Common shares at an exercise price of $1.00 per share. The filing notes the option involved was fully vested and exercisable, and the exercises occurred on March 11 and March 12, 2026.
What indirect ACM Research (ACMR) holdings are associated with David H. Wang?
The Form 4 lists indirect ownership in Class A Common Stock through his wife Jing Chen, his daughter Sophia Wang, a family irrevocable trust for the children, and the Wang‑Chen Family Living Trust, indicating substantial additional exposure to ACM Research beyond his direct holdings.
AI-generated analysis. How Rhea-AI works. Not financial advice.
