Sean Chihhsiang Chen - 29 Jul 2025 Form 3 Insider Report for Ambiq Micro, Inc. (AMBQ)

Role
President and COO
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, 18:16:14 UTC
Next filing
06 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chen Sean Chihhsiang President and COO C/O AMBIQ MICRO, INC., AUSTIN /s/ Jeffrey Winzeler, Attorney-in-Fact 29 Jul 2025 0002078559

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 55,686 $5.88 Direct F1
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 164,423 $8.12 Direct F2
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 114,167 $12.60 Direct F3
holding AMBQ Stock Option (Right to Buy) 29 Jul 2025 Common Stock 93,979 $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 November 3, 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 February 21, 2020, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase.
F3 1/48 of the shares subject to the option vested on June 26, 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.
F4 1/4 of the shares subject to the option vested on January 1, 2024, and 1/48 of the shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service.

Remarks:

Exhibit 24 Power of Attorney