Form 4 for AMBQ Ambiq Micro, Inc.
Accepted 2025-07-31 00:00:00 ET · period of report 2025-07-31 · accession 0001415889-25-020778 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DI | 2025-07-31 | 2025-07-31 | AMBQ | HSIEH Wen Hsuan | Dir | C - Cnv Deriv | — | +395.0K | 395.0K | New | — |
| DI | 2025-07-31 | 2025-07-31 | AMBQ | HSIEH Wen Hsuan | Dir | C - Cnv Deriv | $0.00 | -395.0K | 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 | 2025-07-31 | C | A | 394,989 | — | 394,989 | I By: Matter Venture Partners Fund I, L.P. | — | — | (F1) The Series G Convertible Preferred Stock automatically converted into Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering of common stock and had no expiration date. (F2) The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P. |
| 2 | Derivative | Series G Convertible Preferred Stock | 2025-07-31 | C | D | 394,989 | $0.00 | 0 | I By: Matter Venture Partners Fund I, L.P. | — · — to — | 394,989 Common Stock | (F2) The Reporting Person exercises sole voting and dispositive control over the shares held by Matter Venture Partners Fund I, L.P. (F1) The Series G Convertible Preferred Stock automatically converted into Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering of common stock and had no expiration date. |