SEC Form 4 · accession 0001312143-26-000008
Ambiq Micro, Inc. · AMBQ
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jeffrey G Winzeler
Officer — Chief Financial Officer
Period of report
Jun 2, 2026
Accepted (ET)
Jun 4, 2026 · 5:01 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001500412
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 2, 2026 | M | 5,952 | $16.80 | A | 106,299 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F1 | $16.80 | Jun 2, 2026 | M | 5,952 | D | — | Jun 9, 2035 | Common Stock | 5,952 | 104,953 | D |
Explanation of responses
- F147,619 shares subject to the option vested on October 1, 2025, 1/4 of the remaining 95,238 shares subject to the option vested on June 2, 2026, and 1/36 of the remaining shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service.