Closed
Exercise
Calculated transaction value
$0

Chen Sean Chihhsiang President And COO

AMBQ
Transaction date Sep 4, 2026
Public filing date Sep 9, 2026
Filing lag Filed 5 days later

AMBQ daily price context

Close on/before transaction
$57.45 Sep 4, 2026
Close before public filing
$59.62 Sep 8, 2026
Return since public filing
+6.54% Through Sep 11, 2026

Source details

Reported owner
Not disclosed
Source asset code
Derivative
Security
Stock Option (Right to Buy) on Common Stock
Quantity / price
15,000 shares @ $0
SEC ownership
Direct
Transaction code
M
Form
4
Filing identifier
0002078559-26-000008
Filing cohort

Transactions in this filing

Showing 4 of 4
Trades
4
Issuers
1
Estimated value
$979.36K
Buys / sales
0 / 2
Transactions reported in the same official filing
Issuer Transaction Traded Value
Ambiq Micro, Inc. AMBQ Current Exercise Sep 4, 2026 $0
Ambiq Micro, Inc. AMBQ Exercise Sep 4, 2026 $121.8K
Ambiq Micro, Inc. AMBQ Sale Sep 4, 2026 $734.93K
Ambiq Micro, Inc. AMBQ Sale Sep 4, 2026 $122.62K