Insider · CIK 0001296381
Steven Chu
Files at AMPX (Amprius Technologies, Inc.). First filing Mar 12, 2026, latest Mar 12, 2026.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
AMPX: Amprius Technologies, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 60Notable | Amprius Technologies, Inc. | $5.9M 322,197 shares | -110% | +911% from low0% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | AMPX Amprius Technologies, Inc. | AGrant or award Common stock | +10,423 | $0.00 | $0 | 137,762 | Jun 16, 2026 |
| Mar 10, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Common stock | +104,132 | $0.62 | $65k | 293,971 | Mar 12, 2026 |
| Mar 10, 2026 | AMPX Amprius Technologies, Inc. | SOpen-market sale Common stock | -166,632 | $17.92 | $3.0M | 127,339 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Common stock | +86,143 | $2.61 | $225k | 213,482 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Common stock | +69,422 | $0.62 | $43k | 282,904 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | SOpen-market sale Common stock | -100,000 | $18.65 | $1.9M | 182,904 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | SOpen-market sale Common stock | -50,000 | $18.21 | $911k | 132,904 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | SOpen-market sale Common stock | -5,565 | $18.53 | $103k | 127,339 | Mar 12, 2026 |
| Mar 10, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Stock Option (right to buy)derivative | -104,132 | $0.62 | $65k | 69,422 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Stock Option (right to buy)derivative | -86,143 | $2.61 | $225k | 184,108 | Mar 12, 2026 |
| Mar 12, 2026 | AMPX Amprius Technologies, Inc. | MOption exercise Stock Option (right to buy)derivative | -69,422 | $0.62 | $43k | 0 | Mar 12, 2026 |
| Jun 13, 2025 | AMPX Amprius Technologies, Inc. | AGrant or award Common stock | +44,444 | $0.00 | $0 | 189,839 | Jun 17, 2025 |
| Oct 23, 2024 | AMPX Amprius Technologies, Inc. | AGrant or award Stock Option (right to buy)derivative | +173,554 | - | - | 173,554 | Oct 25, 2024 |
| Oct 23, 2024 | AMPX Amprius Technologies, Inc. | AGrant or award Stock Option (right to buy)derivative | +173,554 | - | - | 173,554 | Oct 25, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.