Closed
Exercise
Calculated transaction value
$0

Mckechnie Mark See Remarks

ACMR
Transaction date Aug 20, 2026
Public filing date Aug 22, 2026
Filing lag Filed 2 days later

ACMR daily price context

Close on/before transaction
$78.52 Aug 20, 2026
Close before public filing
$79.41 Aug 21, 2026
Return since public filing
-19.48% Through Sep 15, 2026

Source details

Reported owner
Not disclosed
Source asset code
Derivative
Security
Stock Option on Class A Common Stock
Quantity / price
25,000 shares @ $0
SEC ownership
Direct
Transaction code
M
Form
4
Filing identifier
0001140361-26-034070
Filing cohort

Transactions in this filing

Showing 7 of 7
Trades
7
Issuers
1
Estimated value
$5.2M
Buys / sales
0 / 3
Transactions reported in the same official filing
Issuer Transaction Traded Value
Acm Research, Inc. ACMR Exercise Aug 20, 2026 $588.58K
Acm Research, Inc. ACMR Current Exercise Aug 20, 2026 $0
Acm Research, Inc. ACMR Sale Aug 20, 2026 $2.35M
Acm Research, Inc. ACMR Sale Aug 20, 2026 $1.04M
Acm Research, Inc. ACMR Sale Aug 20, 2026 $873.07K
Acm Research, Inc. ACMR Exercise Aug 20, 2026 $0
Acm Research, Inc. ACMR Exercise Aug 20, 2026 $347.25K