Wen Hsuan Hsieh - 18 Feb 2026 Form 4 Insider Report for Ambiq Micro, Inc. (AMBQ)

Role
Director
Signature
/s/ Jeffrey Winzeler, Attorney-in-Fact
Issuer symbol
AMBQ
Transactions as of
18 Feb 2026
Net transactions value
+$3,010,531
Form type
4
Filing time
20 Feb 2026, 17:47:25 UTC
Previous filing
31 Jul 2025
Next filing
13 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
HSIEH Wen Hsuan Director C/O AMBIQ MICRO, INC., 6500 RIVER PLACE BLVD BUILDING 7 STE 200, AUSTIN /s/ Jeffrey Winzeler, Attorney-in-Fact 20 Feb 2026 0001835160

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMBQ Common Stock Options Exercise $3,010,531 +238,931 +60% $12.60 633,920 18 Feb 2026 By: Matter Venture Partners Fund I, L.P. F1

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
transaction AMBQ Warrant (Right to Buy) Options Exercise $0 -238,931 -100% $0.000000 0 18 Feb 2026 Common Stock 238,931 $12.60 By: Matter Venture Partners Fund I, L.P. F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P.
F2 The warrant is exercisable in whole or in part, on the earlier of (i) June 1, 2028, (ii) immediately prior to the completion of the Issuer's initial public offering or (iii) immediately prior to the consummation of an acquisition or asset transfer of the Issuer, until the warrant's expiration on June 1, 2034.