ISSUER PROFILE · CIK 0001680062
ACM Research, Inc.ACMR
2 13D/G filings
1 distinct filers
9 insider transactions (365d)
Cross-Reference Snapshot
Distinct filers
1
single filer
Insiders (365d)
9
0 buys · 7 sales
Latest short DTC
1.55
as of 2026-05-29
13D/G Filings Timeline · 2 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2026-06-05 |
Cheav Sotheara |
officer |
Option exercise |
5,399 |
$13.89 |
$75K |
| 2026-06-05 |
Cheav Sotheara |
officer |
Sale |
2,384 |
$81.73 |
$195K |
| 2026-06-05 |
Cheav Sotheara |
officer |
Sale |
968 |
$82.61 |
$80K |
| 2026-06-05 |
Cheav Sotheara |
officer |
Sale |
400 |
$84.01 |
$34K |
| 2026-06-05 |
Cheav Sotheara |
officer |
Sale |
1,647 |
$85.41 |
$141K |
| 2026-06-04 |
Cheav Sotheara |
officer |
Option exercise |
13,351 |
$13.89 |
$185K |
| 2026-06-04 |
Cheav Sotheara |
officer |
Sale |
1,300 |
$84.08 |
$109K |
| 2026-06-04 |
Cheav Sotheara |
officer |
Sale |
9,212 |
$85.11 |
$784K |
| 2026-06-04 |
Cheav Sotheara |
officer |
Sale |
2,839 |
$85.77 |
$244K |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|
| 2026-05-29 |
3,011,862 |
1.55 |
+7.6% |
| 2026-05-15 |
2,798,382 |
1.50 |
+2.1% |
| 2026-04-30 |
2,739,731 |
2.39 |
+2.8% |
| 2026-04-15 |
2,666,276 |
3.11 |
-14.5% |
| 2026-03-31 |
3,119,153 |
3.10 |
-2.7% |
| 2026-03-13 |
3,205,331 |
2.18 |
-4.6% |
| 2026-02-27 |
3,359,553 |
2.47 |
-8.0% |
| 2026-02-13 |
3,651,167 |
2.00 |
+20.1% |
| 2026-01-30 |
3,041,416 |
2.28 |
-15.4% |
| 2026-01-15 |
3,596,723 |
2.12 |
-13.4% |
| 2025-12-31 |
4,154,305 |
3.58 |
-9.9% |
| 2025-12-15 |
4,612,207 |
3.80 |
+5.6% |
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