SEC Form 4 · accession 0002078339-26-000014
Ambiq Micro, Inc. · AMBQ
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Scott McLean Hanson
Officer — Chief Technology Officer · Director
Period of report
Sep 15, 2026
Accepted (ET)
Sep 17, 2026 · 4:06 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
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 15, 2026 | M | 7,000 | $8.12 | A | 228,226 | D | |
| Common StockF2 | Sep 15, 2026 | S | 1,953 | $59.5339 | D | 226,273 | D | |
| Common StockF3 | Sep 15, 2026 | S | 4,947 | $60.5564 | D | 221,326 | D | |
| Common Stock | Sep 15, 2026 | S | 100 | $61.00 | D | 221,226 | 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)F4 | $8.12 | Sep 15, 2026 | M | 7,000 | D | — | Oct 1, 2028 | Common Stock | 7,000 | 45,279 | D |
Explanation of responses
- F1The transactions reported in this Form 4 occurred under a Rule 10b5-1 plan adopted by the Reporting Person on May 15, 2026.
- F2The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.93 to $59.88 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- F3The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.97 to $60.82 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- F41/4 of the shares subject to the option vested on August 16, 2019, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.