HSIEH Wen Hsuan 4
4 · Ambiq Micro, Inc. · Filed Feb 20, 2026
Research Summary
AI-generated summary of this filing
Ambiq Micro (AMBQ) Director HSIEH Wen Hsuan Exercises Options
What Happened
HSIEH Wen Hsuan, a director of Ambiq Micro, exercised a derivative security on Feb 18, 2026 to acquire 238,931 shares at $12.60 per share, for a total cash outlay of $3,010,531. The filing also shows the underlying derivative instrument (238,931 units) was disposed/cancelled at $0.00 as part of the conversion/exercise (transaction code M = exercise/conversion).
Key Details
- Transaction date: 2026-02-18; Form 4 filed: 2026-02-20 (timely filing).
- Shares acquired: 238,931 at $12.60 per share; total cost $3,010,531.
- Disposition shown: 238,931 derivative units @ $0.00 (reflects conversion/cancellation of the derivative upon exercise).
- Transaction code: M (exercise or conversion of a derivative).
- Shares owned after the transaction: Not specified in the provided filing excerpt.
- Footnotes: F1 — Reporting person exercises sole voting and dispositive control over shares held by Matter Venture Partners Fund I, L.P.; F2 — describes warrant terms (exercisable on the earlier of June 1, 2028, immediately prior to an IPO, or immediately prior to a qualifying acquisition, until expiration June 1, 2034).
Context
This was a cash exercise of a derivative (the insider paid $12.60 per share) rather than a cashless or immediate sale. The filing indicates control over the shares via Matter Venture Partners Fund I, L.P., per footnote F1. As with any insider purchase, this is factual disclosure of a buy-side transaction and does not, by itself, explain the insider’s motives.
Insider Transaction Report
- Exercise/Conversion
Common Stock
[F1]2026-02-18$12.60/sh+238,931$3,010,531→ 633,920 total(indirect: By: Matter Venture Partners Fund I, L.P.) - Exercise/Conversion
Warrant (Right to Buy)
[F2][F1]2026-02-18−238,931→ 0 total(indirect: By: Matter Venture Partners Fund I, L.P.)Exercise: $12.60Exp: 2034-06-01→ Common Stock (238,931 underlying)
Footnotes (2)
- [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.