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ISSUER PROFILE · CIK 0001680062

ACM Research, Inc.ACMR

2 13D/G filings 1 distinct filers 9 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
9
0 buys · 7 sales
Latest short DTC
2.85
as of 2026-07-15

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2024-10-08 SC Shanghai Science & Technology Venture Capital (Group) Co., Ltd. view →
2023-07-18 SC Shanghai Science & Technology Venture Capital (Group) Co., Ltd. view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
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

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 3,911,207 2.85 +20.5%
2026-06-30 3,246,092 1.53 +37.6%
2026-06-15 2,359,065 1.48 -21.7%
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%

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