11 insiders reported 88 Form 4 transactions for Amprius Technologies, Inc. (AMPX) over the past 18 months (most recent 2026-06-16). Recent activity: DIXON DONALD R (Director) Buy 10,423 shares, BAYLESS KATHLEEN A (Director) Buy 10,423 shares, Chu Steven (Director) Buy 10,423 shares, SATTERTHWAITE LIVINGSTON (Director) Buy 10,423 shares, DIXON DONALD R (Director) Sell 85,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | DIXON DONALD R | Director | Buy | 10,423 | $0 |
| 2026-06-16 | BAYLESS KATHLEEN A | Director | Buy | 10,423 | $0 |
| 2026-06-16 | Chu Steven | Director | Buy | 10,423 | $0 |
| 2026-06-16 | SATTERTHWAITE LIVINGSTON | Director | Buy | 10,423 | $0 |
| 2026-06-16 | DIXON DONALD R | Director | Sell | 85,000 | $1.5M |
| 2026-06-11 | DIXON DONALD R | Director | Sell | 40,000 | $765,200 |
| 2026-06-05 | Stepien Thomas M | Chief Executive Officer | Sell | 30,384 | $0 |
| 2026-06-05 | Stepien Thomas M | Chief Executive Officer | Sell | 36,914 | $0 |
| 2026-06-05 | Stepien Thomas M | Chief Executive Officer | Buy | 36,914 | $0 |
| 2026-06-05 | Stepien Thomas M | Chief Executive Officer | Sell | 2,000 | $41,940 |
| 2026-05-07 | Sun Kang | Director | Buy | 6,250 | $0 |
| 2026-05-07 | Stepien Thomas M | Chief Executive Officer | Buy | 200,000 | $0 |
| 2026-04-02 | Sun Kang | Director | Buy | 1.3M | $2.3M |
| 2026-04-02 | Sun Kang | Director | Buy | 187,495 | $689,982 |
| 2026-04-02 | Sun Kang | Director | Sell | 1.3M | $19.7M |
| 2026-04-02 | Sun Kang | Director | Sell | 249,037 | $4.2M |
| 2026-03-24 | Sun Kang | Director | Sell | 152,823 | $2.9M |
| 2026-03-24 | Sun Kang | Director | Sell | 65,046 | $1.2M |
| 2026-03-13 | HSIEH Wen Hsuan | Director | Buy | 270,251 | $705,355 |
| 2026-03-13 | HSIEH Wen Hsuan | Director | Sell | 282,500 | $5.2M |
| 2026-03-13 | HSIEH Wen Hsuan | Director | Sell | 130,646 | $2.4M |
| 2026-03-13 | RODRIGUEZ RICARDO C. | Chief Financial Officer | Buy | 150,000 | $0 |
| 2026-03-12 | Chu Steven | Director | Buy | 104,132 | $64,562 |
| 2026-03-12 | Chu Steven | Director | Sell | 166,632 | $3.0M |
| 2026-03-12 | Chu Steven | Director | Buy | 86,143 | $224,833 |
Source: SEC Form 4 filings · as of 2026-06-16