HSIEH Wen Hsuan 4
4 · Ambiq Micro, Inc. · Filed Jun 10, 2026
Research Summary
AI-generated summary of this filing
Ambiq Micro (AMBQ) Director HSIEH Wen Hsuan Receives RSU Award
What Happened
HSIEH Wen Hsuan, a director of Ambiq Micro, was granted 4,957 restricted stock units (RSUs) on June 8, 2026. The Form 4 reports an acquisition price of $0 (code A — award/grant). The grant represents a contingent right to receive up to 4,957 shares of Ambiq Micro common stock if and when the RSUs vest.
Key Details
- Transaction date: 2026-06-08; Form filed: 2026-06-10 (timely; within the typical 2-business-day Form 4 window).
- Transaction type/code: Award/Grant (A). Reported acquisition price: $0; reported total cash value: $0.
- Shares granted: 4,957 RSUs (each RSU represents a contingent right to one share).
- Shares owned after transaction: not disclosed in the provided filing.
- Footnotes:
- F1: RSUs vest in three equal annual installments, vesting on the earlier of each anniversary of the grant or the Company’s annual stockholder meeting (subject to continuous service).
- F2: Reporting person exercises sole voting/dispositive control over shares held by Matter Venture Partners Fund I, L.P. (disclosure of control over certain shares).
Context
RSU grants are a form of compensation, not an outright purchase or sale; they typically vest over time and convert to common stock upon vesting. This grant does not indicate an immediate sale or purchase of underlying shares and should be viewed as routine equity compensation for a director rather than a market-timing trade.
Insider Transaction Report
- Award
Common Stock
[F1]2026-06-08+4,957→ 4,957 total
- 633,920(indirect: By: Matter Venture Partners Fund I, L.P.)
Common Stock
[F2]
Footnotes (2)
- [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).
- [F2]The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P.