SEC Form 4 · accession 0002078339-26-000012
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
Aug 26, 2026
Accepted (ET)
Aug 28, 2026 · 5:19 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 | Aug 26, 2026 | M | 10,000 | $8.12 | A | 221,226 | D | |
| Common Stock | Aug 26, 2026 | M | 27,500 | $8.12 | A | 248,726 | D | |
| Common StockF1 | Aug 26, 2026 | S | 27,500 | $59.5807 | D | 221,226 | D | |
| Common Stock | Aug 27, 2026 | M | 27,500 | $8.12 | A | 248,726 | D | |
| Common StockF2 | Aug 27, 2026 | S | 22,590 | $59.6916 | D | 226,136 | D | |
| Common StockF3 | Aug 27, 2026 | S | 4,910 | $60.321 | 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 | Aug 26, 2026 | M | 10,000 | D | — | Oct 1, 2028 | Common Stock | 10,000 | 52,279 | D |
| Stock Option (Right to Buy)F5 | $8.12 | Aug 26, 2026 | M | 27,500 | D | — | Feb 20, 2029 | Common Stock | 27,500 | 111,058 | D |
| Stock Option (Right to Buy)F5 | $8.12 | Aug 27, 2026 | M | 27,500 | D | — | Feb 20, 2029 | Common Stock | 27,500 | 83,558 | D |
Explanation of responses
- F1The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.00 to $59.90 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.
- F2The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.11 to $60.10 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 $60.11 to $60.78 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.
- F526,187 shares subject to the option vested on February 21, 2019, 1/4 of the remaining shares subject to the option vested on February 21, 2020, and 1/48 of the remaining shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service.