Form 4 for AMBQ Ambiq Micro, Inc.
Accepted 2026-09-09 17:08:21 ET · period of report 2026-09-04 · accession 0001266870-26-000004 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-09 17:08 | 2026-09-04 | AMBQ | ZHANG KER | Dir | M - OptEx | $5.88 | +1,785 | 30.6K | +6% | +$10.5K |
| D | 2026-09-09 17:08 | 2026-09-04 | AMBQ | ZHANG KER | Dir | S - Sale+OE | $56.92 | -185 | 30.4K | -0.6% | -$10.5K |
| D | 2026-09-09 17:08 | 2026-09-04 | AMBQ | ZHANG KER | Dir | M - OptEx | $0.00 | -1,785 | 0 | -100% | $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 | 2026-09-04 | M | A | 1,785 | $5.88 | 30,551 | D | — | — | |
| 2 | Common | Common Stock | 2026-09-04 | S | D | 185 | $56.92 | 30,366 | D | — | — | |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-09-04 | M | D | 1,785 | $0.00 | 0 | D | $5.88 · — to 2026-09-07 | 1,785 Common Stock | (F1) 1/4 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. |