Ambiq Micro, Inc. — Director's Dealing 2025

Aug 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ambiq Micro, Inc. (AMBQ)
CIK: 0001500412
Period of Report: 2025-07-31

Reporting Person: KPCB XVI Associates, LLC (N/A)
Reporting Person: Kleiner Perkins Caufield & Byers XVI, LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-07-31	Common Stock	C	748046	—	Acquired	1172079	Indirect
2025-07-31	Common Stock	C	98958	—	Acquired	1271037	Indirect
2025-07-31	Common Stock	C	23294	—	Acquired	1294331	Indirect
2025-07-31	Common Stock	C	194618	—	Acquired	1488949	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-07-31	Series C Convertible Preferred Stock	$	C	748046	Disposed		Common Stock (748046)	Indirect
2025-07-31	Series D Convertible Preferred Stock	$	C	98958	Disposed		Common Stock (98958)	Indirect
2025-07-31	Series E Convertible Preferred Stock	$	C	22594	Disposed		Common Stock (23294)	Indirect
2025-07-31	Series F Convertible Preferred Stock	$	C	171064	Disposed		Common Stock (194618)	Indirect

Footnotes

F1: The Series C Convertible Preferred Stock and Series D Convertible Preferred Stock automatically converted into Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering of common stock and had no expiration date.

F2: All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee" for the accounts of such individuals and entities. The managing member of Kleiner Perkins Caufield & Byers XVI, LLC ("KPCB XVI") and KPCB XVI Founders Fund, LLC ("KPCB XVI Founders") is KPCB XVI Associates, LLC ("KPCB XVI Associates"). L. John Doerr, Beth Seidenberg, Randy Komisar, Theodore E. Schlein, and Wen Hsieh, the managing members of KPCB XVI Associates, exercise shared voting and dispositive control over the shares held by KPCB XVI and KPCB XVI Founders. Such managing members disclaim beneficial ownership of all shares held by KPCB XVI and KPCB XVI Founders except to the extent of their pecuniary interest therein.

F3: Consists of 723,286 shares of Series C Convertible Preferred Stock held by KPCB XVI that automatically converted into 723,286 shares of Common Stock, and 24,760 shares of Series C Convertible Preferred Stock held by KPCB XVI Founders that automatically converted into 24,760 shares of Common Stock.

F4: Consists of 95,683 shares of Series D Convertible Preferred Stock held by KPCB XVI that automatically converted into 95,683 shares of Common Stock, and 3,275 shares of Series D Convertible Preferred Stock held by KPCB XVI Founders that automatically converted into 3,275 shares of Common Stock.

F5: The Series E Convertible Preferred Stock automatically converted immediately prior to the closing of the Issuer's initial public offering and had no expiration date. 22,594 outstanding shares of Series E Convertible Preferred Stock automatically converted into 23,294 shares of Common Stock.

F6: Consists of 21,846 shares of Series E Convertible Preferred Stock held by KPCB XVI that automatically converted into 22,523 shares of Common Stock, and 748 shares of Series E Convertible Preferred Stock held by KPCB XVI Founders that automatically converted into 771 shares of Common Stock.

F7: The Series F Convertible Preferred Stock automatically converted immediately prior to the closing of the Issuer's initial public offering and had no expiration date. 171,064 outstanding shares of Series F Convertible Preferred Stock automatically converted into 194,618 shares of Common Stock.

F8: Consists of 165,402 shares of Series F Convertible Preferred Stock held by KPCB XVI that automatically converted into 188,177 shares of Common Stock, and 5,662 shares of Series F Convertible Preferred Stock held by KPCB XVI Founders that automatically converted into 6,441 shares of Common Stock.