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

Role
Chief Executive Officer, Director
Signature
/s/ Jeffrey Winzeler, Attorney-in-Fact
Stock symbol
AMBQ
Transactions as of
Jul 29, 2025
Transactions value $
$0
Form type
3
Date filed
7/29/2025, 06:14 PM
Next filing
Oct 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Esaka Fumihide Chief Executive Officer, Director C/O AMBIQ MICRO, INC., AUSTIN /s/ Jeffrey Winzeler, Attorney-in-Fact 2025-07-29 0002078454

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding AMBQ Common Stock 17K Jul 29, 2025 Direct

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) Jul 29, 2025 Common Stock 53.7K $5.88 Direct F1
holding AMBQ Stock Option (Right to Buy) Jul 29, 2025 Common Stock 204K $8.12 Direct F2
holding AMBQ Stock Option (Right to Buy) Jul 29, 2025 Common Stock 122K $12.60 Direct F3
holding AMBQ Stock Option (Right to Buy) Jul 29, 2025 Common Stock 191K $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 December 1, 2016, 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.
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