Zhang Ker's Form 4 filing
Ambiq Micro, Inc. (AMBQ) · filed Sep 9, 2026
- Accession no.
- 0001266870-26-000004
- Filed
- Sep 9, 2026, 5:08 PM ET
- Trade date
- Sep 4, 2026
- Filing delay
- 5 days
- Rule 10b5-1 plan
- Not checked
This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $10.5K. It was filed 5 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Zhang KerCIK 0001266870 | Director |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026 | Common Stock | MOption exerciseAcquired | +1,785 | $5.88 | +$10,495.8 | 30,551 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −185 | $56.92 | −$10,530.2 | 30,366 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026 | Common Stock | MOption exerciseDisposed | −1,785 | $0.00 | $0 | 0 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.