Arkolith/Insider Trading/ACMR/Form 4

Liu Tracy

DirectorACM Research, Inc. (ACMR) · full profile →Form 4 · filed Mar 12, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$2.9M
Net Open-Market Flow
-$2.9M
Transactions
8
6 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 11, 2026Sell(S)12K$47.81$556K114K
Mar 11, 2026Option exercise(M)15K$1.00$15K126K
Mar 11, 2026Sell(S)3K$48.25$163K111K
Mar 10, 2026Sell(S)13K$48.19$616K111K
Mar 10, 2026Sell(S)32K$47.06$1.5M124K
Mar 10, 2026Option exercise(M)45K$1.00$45K156K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 11, 2026Option exercise(M)15K—$00
Mar 10, 2026Option exercise(M)45K—$015K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001140361-26-009239) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML