Ker Zhang - 29 Jul 2025 Form 3 Insider Report for Ambiq Micro, Inc. (AMBQ)

Role
Director
Signature
/s/ Jeffrey Winzeler, Attorney-in-Fact
Issuer symbol
AMBQ
Transactions as of
29 Jul 2025
Net transactions value
$0
Form type
3
Filing time
29 Jul 2025, 18:22:42 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ZHANG KER Director C/O AMBIQ MICRO, INC., AUSTIN /s/ Jeffrey Winzeler, Attorney-in-Fact 29 Jul 2025 0001266870

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 1,785 $5.88 Direct F1
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 8,928 $6.44 Direct F2
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 3,571 $8.12 Direct F3
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 17,857 $12.60 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 1/4 of the shares subject to the option vested on September 8, 2017, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.
F2 1/4 of the shares subject to the option vested on December 7, 2018, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.
F3 1/2 of the shares subject to the option vested on February 21, 2020, and 1/24 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.
F4 1/4 of the shares subject to the option vested on June 29, 2021, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.

Remarks:

Exhibit 24 Power of Attorney