Cheav Sotheara

See remarksACM Research, Inc. (ACMR) · full profile →Form 4 · filed Jun 6, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.6M
Net Open-Market Flow
-$1.6M
Transactions
11
9 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 5, 2026Sell(S)2K$81.73$195K103K
Jun 5, 2026Sell(S)968$82.61$80K102K
Jun 5, 2026Sell(S)400$84.01$34K102K
Jun 5, 2026Sell(S)2K$85.41$141K100K
Jun 5, 2026Option exercise(M)5K$13.89$75K105K
Jun 4, 2026Option exercise(M)13K$13.89$185K113K
Jun 4, 2026Sell(S)1K$84.08$109K112K
Jun 4, 2026Sell(S)9K$85.11$784K103K
Jun 4, 2026Sell(S)3K$85.77$244K100K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 5, 2026Option exercise(M)5K$038K
Jun 4, 2026Option exercise(M)13K$043K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001140361-26-024322) within minutes of acceptance. Every field above traces to the original document. Verify it directly: