InsiderTrades

Form 4 for ACMR ACM Research, Inc.

Accepted 2025-02-10 00:00:00 ET · period of report 2025-02-06 · accession 0001140361-25-003749 · 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
DMT 2025-02-10 2025-02-06 ACMR Cheav Sotheara See remarks M - OptEx $13.89 +22.6K 122.6K +23% +$313.9K
DT 2025-02-10 2025-02-06 ACMR Cheav Sotheara See remarks S - Sale+OE $23.00 -22.6K 100.0K -18% -$519.8K
DMT 2025-02-10 2025-02-06 ACMR Cheav Sotheara See remarks M - OptEx $0.00 -22.6K 90.0K -20% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-02-06 M A 10,000 $13.89 110,002 D — —
2 Common Class A Common Stock 2025-02-06 M A 12,598 $13.89 122,600 D — —
3 Common Class A Common Stock 2025-02-06 S D 22,598 $23.00 100,002 D — —
4 Derivative Stock Option 2025-02-06 M D 12,598 $0.00 77,402 D $13.89 · — to 2033-08-09 12,598 Class A Common Stock (F4) The option will vest and become exercisable as to 25,000 shares on August 09, 2024 and the remaining 75,000 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.
5 Derivative Stock Option 2025-02-06 M D 10,000 $0.00 90,000 D $13.89 · — to 2033-08-09 10,000 Class A Common Stock (F4) The option will vest and become exercisable as to 25,000 shares on August 09, 2024 and the remaining 75,000 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.