Sun Kang (CIK 1476220) reported 28 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-28). Recent activity: Sell AMPX (356 shares), Sell AMPX (67,796 shares), Buy AMPX (6,250 shares), Buy AMPX (1.3M shares), Buy AMPX (187,495 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 356 | $6,121 |
| 2026-05-26 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 67,796 | $1.0M |
| 2026-05-07 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 6,250 | $0 |
| 2026-04-02 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 1.3M | $2.3M |
| 2026-04-02 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 187,495 | $689,982 |
| 2026-04-02 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 1.3M | $19.7M |
| 2026-04-02 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 249,037 | $4.2M |
| 2026-03-24 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 152,823 | $2.9M |
| 2026-03-24 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 65,046 | $1.2M |
| 2026-02-24 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 61,251 | $622,310 |
| 2026-01-20 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 850,338 | $2.1M |
| 2026-01-20 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 100,210 | $178,374 |
| 2026-01-20 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 43,185 | $76,869 |
| 2026-01-20 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 43,185 | $476,331 |
| 2026-01-20 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 950,548 | $10.5M |
| 2026-01-14 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 180,802 | $112,097 |
| 2026-01-14 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 208,264 | $508,164 |
| 2026-01-14 | Amprius Technologies, Inc. (AMPX) | Director | Buy | 117,201 | $293,002 |
| 2026-01-14 | Amprius Technologies, Inc. (AMPX) | Director | Sell | 506,267 | $5.1M |
| 2025-11-25 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Sell | 68,655 | $692,042 |
| 2025-11-19 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Sell | 1.0M | $10.6M |
| 2025-11-19 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Buy | 202,934 | $198,875 |
| 2025-11-19 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Buy | 727,950 | $36,398 |
| 2025-11-19 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Buy | 27,463 | $17,027 |
| 2025-11-19 | Amprius Technologies, Inc. (AMPX) | Chief Executive Officer | Buy | 41,653 | $25,825 |
Source: SEC Form 4 filings · as of 2026-05-28