InsiderTrades

Form 4 for ACMR ACM Research, Inc.

Accepted 2025-06-26 00:00:00 ET · period of report 2025-06-24 · accession 0001140361-25-023830 · 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 2025-06-26 2025-06-24 ACMR Feng Lisa See remarks S - Sale+OE $26.00 -15.0K 50.0K -23% -$390.0K
DT 2025-06-26 2025-06-24 ACMR Feng Lisa See remarks M - OptEx $5.60 +15.0K 65.0K +30% +$84.0K
DT 2025-06-26 2025-06-24 ACMR Feng Lisa See remarks M - OptEx $0.00 -15.0K 45.0K -25% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-06-24 S D 15,000 $26.00 50,001 D — —
2 Common Class A Common Stock 2025-06-24 M A 15,000 $5.60 65,001 D — —
3 Derivative Stock Option 2025-06-24 M D 15,000 $0.00 45,000 D $5.60 · — to 2029-04-22 15,000 Class A Common Stock (F3) The option is fully vested and exercisable.