Ambiq Micro, Inc. — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ambiq Micro, Inc. (AMBQ)
CIK: 0001500412
Period of Report: 2025-10-07

Reporting Person: Esaka Fumihide (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-07	Common Stock	M	53660	$5.88	Acquired	230573	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-07	Stock Option (Right to Buy)	$5.88	M	53660	Disposed	2026-01-11	Common Stock (53660)	Direct

Footnotes

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.