Chu Steven's Form 4 filing
Amprius Technologies, Inc. (AMPX) · filed Mar 12, 2026
- Accession no.
- 0001296381-26-000003
- Filed
- Mar 12, 2026
- Trade date
- Mar 10-12, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 7 non-derivative transactions and 3 derivative transactions. Open-market sales total $5.86M. It was filed 2 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 |
|---|---|
| Chu StevenCIK 0001296381 | 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Common stock | MOption exerciseAcquired | +104,132 | $0.62 | +$64,561.84 | 293,971 | Direct | |
| Mar 10, 2026 | Common stock | SSaleDisposed | −166,632 | $17.92 | −$2,986,045.44 | 127,339 | Direct | |
| Mar 12, 2026 | Common stock | MOption exerciseAcquired | +86,143 | $2.61 | +$224,833.23 | 213,482 | Direct | |
| Mar 12, 2026 | Common stock | MOption exerciseAcquired | +69,422 | $0.62 | +$43,041.64 | 282,904 | Direct | |
| Mar 12, 2026 | Common stock | SSaleDisposed | −100,000 | $18.65 | −$1,865,000 | 182,904 | Direct | |
| Mar 12, 2026 | Common stock | SSaleDisposed | −50,000 | $18.21 | −$910,500 | 132,904 | Direct | |
| Mar 12, 2026 | Common stock | SSaleDisposed | −5,565 | $18.53 | −$103,119.45 | 127,339 | 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Common stock | MOption exerciseDisposed | −104,132 | $0.62 | −$64,561.84 | 69,422 | Direct | |
| Mar 12, 2026 | Common stock | MOption exerciseDisposed | −86,143 | $2.61 | −$224,833.23 | 184,108 | Direct | |
| Mar 12, 2026 | Common stock | MOption exerciseDisposed | −69,422 | $0.62 | −$43,041.64 | 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.