InsiderTrades

Form 4 for ACMR ACM Research, Inc.

Accepted 2023-12-28 00:00:00 ET · period of report 2023-12-26 · accession 0001140361-23-059931 · 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 2023-12-28 2023-12-26 ACMR Feng Lisa See remarks M - OptEx $5.60 +7,500 57.5K +15% +$42.0K
DT 2023-12-28 2023-12-26 ACMR Feng Lisa See remarks S - Sale+OE $20.00 -7,500 50.0K -13% -$150.0K
DT 2023-12-28 2023-12-26 ACMR Feng Lisa See remarks M - OptEx $0.00 -7,500 67.5K -10% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2023-12-26 M A 7,500 $5.60 57,501 D — —
2 Common Class A Common Stock 2023-12-26 S D 7,500 $20.00 50,001 D — —
3 Derivative Stock Option 2023-12-26 M D 7,500 $0.00 67,500 D $5.60 · — to 2029-04-22 7,500 Class A Common Stock (F3) The option is fully vested and exercisable.