SEC Form 4 · accession 0001266870-26-000004
Ambiq Micro, Inc. · AMBQ
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ker Zhang
Director
Period of report
Sep 4, 2026
Accepted (ET)
Sep 9, 2026 · 5:08 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 | Sep 4, 2026 | M | 1,785 | $5.88 | A | 30,551 | D | |
| Common Stock | Sep 4, 2026 | S | 185 | $56.92 | D | 30,366 | 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 | $5.88 | Sep 4, 2026 | M | 1,785 | D | — | Sep 7, 2026 | Common Stock | 1,785 | 0 | D |
Explanation of responses
- F11/4 of the shares subject to the option vested on September 8, 2017, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.