InsiderTrades

Form 4 for ACMR ACM Research, Inc.

Accepted 2025-07-17 00:00:00 ET · period of report 2025-07-15 · accession 0001140361-25-026241 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2025-07-17 2025-07-15 ACMR Liu Tracy Dir S - Sale+OE $30.00 -15.0K 110.8K -12% -$450.0K
DT 2025-07-17 2025-07-15 ACMR Liu Tracy Dir M - OptEx $1.00 +15.0K 125.8K +14% +$15.0K
DT 2025-07-17 2025-07-15 ACMR Liu Tracy Dir M - OptEx $0.00 -15.0K 75.0K -17% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-07-15 S D 15,000 $30.00 110,772 D — —
2 Common Class A Common Stock 2025-07-15 M A 15,000 $1.00 125,772 D — —
3 Derivative Stock Option 2025-07-15 M D 15,000 $0.00 75,000 D $1.00 · — to 2026-12-27 15,000 Class A Common Stock (F3) The option is fully vested and exercisable.