KPCB XVI Associates, LLC - 29 Jul 2025 Form 3 Insider Report for Ambiq Micro, Inc. (AMBQ)

Role: 10%+ Owner
Signature: /s/ Susan Biglieri, Chief Financial Officer
Issuer symbol: AMBQ
Transactions as of: 29 Jul 2025
Transactions value $: $0
Form type: 3
Filing time: 29 Jul 2025, 19:45:10 UTC
Next filing: 31 Jul 2025
SEC: View on sec.gov

Reporting Owners (2)

Name	Relationship	Address	Signature	Signature date	CIK
KPCB XVI Associates, LLC	10%+ Owner	C/O KLEINER PERKINS CAUFIELD & BYERS, 2750 SAND HILL ROAD, MENLO PARK	/s/ Susan Biglieri, Chief Financial Officer	29 Jul 2025	0001611734
Kleiner Perkins Caufield & Byers XVI, LLC	10%+ Owner	C/O KLEINER PERKINS CAUFIELD & BYERS, 2750 SAND HILL ROAD, MENLO PARK	/s/ Susan Biglieri, Chief Financial Officer	29 Jul 2025	0001611731

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	AMBQ	Common Stock						424K	29 Jul 2025	By: KPCB Holdings, Inc., as nominee	F1, F2

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	Series C Convertible Preferred Stock							29 Jul 2025	Common Stock	748K		By: KPCB Holdings, Inc., as nominee	F1, F3, F4
holding	AMBQ	Series D Convertible Preferred Stock							29 Jul 2025	Common Stock	99K		By: KPCB Holdings, Inc., as nominee	F1, F3, F5
holding	AMBQ	Series E Convertible Preferred Stock							29 Jul 2025	Common Stock	23.3K		By: KPCB Holdings, Inc., as nominee	F1, F6, F7
holding	AMBQ	Series F Convertible Preferred Stock							29 Jul 2025	Common Stock	195K		By: KPCB Holdings, Inc., as nominee	F1, F8, F9

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Consists of 409,998 shares of Common Stock held by KPCB XVI and 14,035 shares held by KPCB XVI Founders.
F3	The Series C Convertible Preferred Stock and Series D Convertible Preferred Stock are convertible on a one-for-one basis into Common Stock at any time at the Reporting Person's election and will convert automatically upon the closing of the Issuer's initial public offering and has no expiration date.
F4	Consists of 723,286 shares of Common Stock issuable upon the conversion of Series C Convertible Preferred Stock held by KPCB XVI and 24,760 shares held by KPCB XVI Founders.
F5	Consists of 95,683 shares of Common Stock issuable upon the conversion of Series D Convertible Preferred Stock held by KPCB XVI and 3,275 shares held by KPCB XVI Founders,
F6	The Series E Convertible Preferred Stock is convertible into Common Stock at any time at the Reporting Person's election and will convert automatically immediately prior to the closing of the Issuer's initial public offering and has no expiration date. 22,594 outstanding shares of Series E Convertible Preferred Stock will automatically convert into 23,294 shares of Common Stock, immediately prior to the closing of the Issuer's initial public offering.
F7	Consists of 22,523 shares of Common Stock issuable upon the conversion of Series E Convertible Preferred Stock held by KPCB XVI and 771 shares held by KPCB XVI Founders.
F8	The Series F Convertible Preferred Stock is convertible into Common Stock at any time at the Reporting Person's election and will convert automatically immediately prior to the closing of the Issuer's initial public offering and has no expiration date. 171,064 outstanding shares of Series F Convertible Preferred Stock shall automatically convert into 194,618 shares of Common Stock, immediately prior to the closing of the Issuer's initial public offering.
F9	Consists of 188,177 shares of Common Stock issuable upon the conversion of Series F Convertible Preferred stock held by KPCB XVI and 6,441 shares held by KPCB XVI Founders.