Feng Lisa

See remarksACM Research, Inc. (ACMR) · full profile →Form 4 · filed Mar 9, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.4M
Net Open-Market Flow
-$1.4M
Transactions
8
6 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 6, 2026Sell(S)200$46.58$9K50K
Mar 6, 2026Option exercise(M)15K$4.55$68K65K
Mar 6, 2026Sell(S)15K$46.07$682K50K
Mar 5, 2026Option exercise(M)15K$4.55$68K65K
Mar 5, 2026Sell(S)7K$50.24$349K50K
Mar 5, 2026Sell(S)8K$49.81$401K57K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 6, 2026Option exercise(M)15K$00
Mar 5, 2026Option exercise(M)15K$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001140361-26-008479) within minutes of acceptance. Every field above traces to the original document. Verify it directly: