Form 4 for AMBQ Ambiq Micro, Inc.
Accepted 2026-08-28 17:19:15 ET · period of report 2026-08-26 · accession 0002078339-26-000012 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-28 17:19 | 2026-08-26+ | AMBQ | Hanson Scott McLean | CTO, Dir | M - OptEx | $8.12 | +65.0K | 248.7K | +35% | +$527.8K |
| DM | 2026-08-28 17:19 | 2026-08-26+ | AMBQ | Hanson Scott McLean | CTO, Dir | S - Sale+OE | $59.69 | -55.0K | 221.2K | -20% | -$3.28M |
| DM | 2026-08-28 17:19 | 2026-08-26+ | AMBQ | Hanson Scott McLean | CTO, Dir | M - OptEx | $0.00 | -65.0K | 83.6K | -44% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-26 | M | A | 10,000 | $8.12 | 221,226 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-26 | M | A | 27,500 | $8.12 | 248,726 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-26 | S | D | 27,500 | $59.58 | 221,226 | D | — | — | (F1) The 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. |
| 4 | Common | Common Stock | 2026-08-27 | M | A | 27,500 | $8.12 | 248,726 | D | — | — | |
| 5 | Common | Common Stock | 2026-08-27 | S | D | 22,590 | $59.69 | 226,136 | D | — | — | (F2) The 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. |
| 6 | Common | Common Stock | 2026-08-27 | S | D | 4,910 | $60.32 | 221,226 | D | — | — | (F3) The 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. |
| 7 | Derivative | Stock Option (Right to Buy) | 2026-08-26 | M | D | 10,000 | $0.00 | 52,279 | D | $8.12 · — to 2028-10-01 | 10,000 Common Stock | (F4) 1/4 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. |
| 8 | Derivative | Stock Option (Right to Buy) | 2026-08-26 | M | D | 27,500 | $0.00 | 111,058 | D | $8.12 · — to 2029-02-20 | 27,500 Common Stock | (F5) 26,187 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. |
| 9 | Derivative | Stock Option (Right to Buy) | 2026-08-27 | M | D | 27,500 | $0.00 | 83,558 | D | $8.12 · — to 2029-02-20 | 27,500 Common Stock | (F5) 26,187 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. |