Timothy Chen - 08 Jun 2026 Form 4 Insider Report for Ambiq Micro, Inc. (AMBQ)

Reporting relationship: Director
Issuer ticker: AMBQ
Reported as of: 08 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Jun 2026, 16:46:30 UTC
Prior SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Winzeler, Attorney-in-Fact

Key filing fact

Timothy Chen filed Form 4 for Ambiq Micro, Inc. (AMBQ) on 10 Jun 2026.

Key facts

This page summarizes Timothy Chen's Form 4 filing for Ambiq Micro, Inc. (AMBQ).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Jun 2026, 16:46.

Change

Previous filing in this sequence was filed on 29 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001818099 Primary reporting owner

Chen Timothy

Relationship: Director
Address: C/O AMBIQ MICRO, INC., 6500 RIVER PLACE BLVD., BLDG 7 SUITE 200, AUSTIN
Signature: /s/ Jeffrey Winzeler, Attorney-in-Fact
Signature date: 10 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMBQ transaction

Common Stock

Award

Transaction value
Shares: +4,957
Change %: +10%
Price: $0.000000^*
Shares after: 52,575
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents the grant of restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in three equal annual installments following the date of grant, with each annual RSU vesting to occur on the earlier of: (i) the first, second, or third anniversary of the grant date, as applicable, or (ii) the date of the Company's first, second, or third annual stockholder meeting following the grant date, as applicable (or the date immediately prior to the applicable annual stockholder meeting if the Reporting Person's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election), subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2025 Equity Incentive Plan).