Kleiner Perkins Caufield & Byers XVI, LLC - 30 Sep 2025 SCHEDULE 13G Report for Ambiq Micro, Inc. Common Stock, $0.000001 par value per share (AMBQ)

Filing Manager
Kleiner Perkins Caufield & Byers XVI, LLC
Reporting Manager
KPCB XVI Associates, LLC
Security
Ambiq Micro, Inc. Common Stock, $0.000001 par value per share
Symbol
AMBQ
Shares outstanding
18,157,915 shares
Disclosed Ownership
1,488,949 shares
Ownership
8.2%
Form type
SCHEDULE 13G
Filing time
03 Nov 2025, 21:50:50 UTC
Date of event
30 Sep 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Kleiner Perkins Caufield & Byers XVI, LLC 7.9% 1,439,667 1,439,667 0 /s/ Susan Biglieri Susan Biglieri, CFO of KPCB XVI Associates, LLC
KPCB XVI Founders Fund, LLC 0.3% 49,282 49,282 0 /s/ Susan Biglieri Susan Biglieri, CFO of KPCB XVI Associates, LLC
KPCB XVI Associates, LLC 8.2% 1,488,949 1,488,949 0 /s/ Susan Biglieri Susan Biglieri, Chief Financial Officer
Kleiner Perkins Select Fund, LLC 3.2% 575,867 575,867 0 /s/ Susan Biglieri Susan Biglieri, CFO of Kleiner Perkins Select Associates, LLC
Kleiner Perkins Select Founders Fund, LLC 0.1% 17,015 17,015 0 /s/ Susan Biglieri Susan Biglieri, CFO of Kleiner Perkins Select Associates, LLC
Kleiner Perkins Select Associates, LLC 3.3% 592,882 592,882 0 /s/ Susan Biglieri Susan Biglieri, Chief Financial Officer