ACM Research, Inc. (ACMR) insider trading.
In Q3 2026, insiders at ACM Research, Inc. reported 20 non-derivative transactions on 7 Forms 3, 4 and 5: 0 open-market purchases and 15 sales worth $15.3M.
- Transactions
- 20
- Purchases (P)
- 0
- Sales (S)
- 15
- Net shares, P minus S
- -200,199
- Insiders
- 3
- Last filed
- 2026-09-10
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Wang David H | Director, Officer, TenPercentOwner · See Remarks | 11 | 0 | 9 |
| McKechnie Mark | Officer · See Remarks | 5 | 0 | 3 |
| Dun Haiping | Director | 4 | 0 | 3 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-09 | Wang David H | S (D) | 4,807 | $76.73 | 803,808 | Form 4 |
| 2026-09-09 | Wang David H | S (D) | 1,100 | $77.59 | 802,708 | Form 4 |
| 2026-09-09 | Wang David H | S (D) | 11,666 | $75.58 | 808,615 | Form 4 |
| 2026-09-09 | Wang David H | S (D) | 18,934 | $74.67 | 820,281 | Form 4 |
| 2026-09-09 | Wang David H | S (D) | 33,493 | $73.8 | 839,215 | Form 4 |
| 2026-09-09 | Wang David H | M (A) | 70,000 | $1 | 872,708 | Form 4 |
| 2026-09-08 | Wang David H | S (D) | 1,500 | $78.57 | 802,708 | Form 4 |
| 2026-09-08 | Wang David H | S (D) | 12,323 | $78.08 | 804,208 | Form 4 |
| 2026-09-08 | Wang David H | S (D) | 51,374 | $77.15 | 816,531 | Form 4 |
| 2026-09-08 | Wang David H | M (A) | 70,000 | $1 | 872,708 | Form 4 |
| 2026-09-08 | Wang David H | S (D) | 4,803 | $75.99 | 867,905 | Form 4 |
| 2026-08-20 | McKechnie Mark | S (D) | 11,209 | $77.89 | 900 | Form 4 |
| 2026-08-20 | McKechnie Mark | S (D) | 30,365 | $77.45 | 12,109 | Form 4 |
| 2026-08-20 | McKechnie Mark | S (D) | 13,625 | $76.34 | 42,474 | Form 4 |
| 2026-08-20 | McKechnie Mark | M (A) | 25,000 | $13.89 | 56,099 | Form 4 |
| 2026-08-20 | McKechnie Mark | M (A) | 30,199 | $19.49 | 31,099 | Form 4 |
| 2026-08-18 | Dun Haiping | S (D) | 3,400 | $81.31 | 400 | Form 4 |
| 2026-08-18 | Dun Haiping | S (D) | 1,200 | $80.29 | 3,800 | Form 4 |
| 2026-08-18 | Dun Haiping | M (A) | 5,000 | $5.6 | 5,000 | Form 4 |
| 2026-08-18 | Dun Haiping | S (D) | 400 | $82.17 | 0 | Form 4 |
Transaction codes in this quarter
Get ACMR insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1680062&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ACMR company page · ACM Research, Inc. on SEC.gov
Questions
Are insiders buying or selling ACM Research, Inc. (ACMR)?
In Q3 2026, insiders at ACM Research, Inc. reported 20 non-derivative transactions on 7 Forms 3, 4 and 5: 0 open-market purchases and 15 sales worth $15.3M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these ACM Research, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/acmr.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.