Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-01-28 Sale | 2026-01-30 6:02 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 39,690 | $12 | $476,351 | 748,696 (Direct) | View |
| 2026-01-21 Sale | 2026-01-23 5:36 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 567,707 | $12.03 | $6,830,523 | 1,290,818 (Direct) | View |
| 2026-01-16 Sale | 2026-01-20 5:33 pm | Amprius Technologies Inc. | AMPX | Sun Kang Director | 993,733 | $11.06 | $10,994,944 | 4,346,121 (Indirect Direct) | View |
| 2026-01-12 Sale | 2026-01-14 6:04 pm | Amprius Technologies Inc. | AMPX | Sun Kang Director | 506,267 | $10.1 | $5,111,474 | 2,528,264 (Indirect Direct) | View |
| 2025-12-11 Sale | 2025-12-15 6:25 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 198,255 | $10.51 | $2,083,382 | 1,059,658 (Direct) | View |
| 2025-11-21 Sale | 2025-11-25 6:55 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 25,024 | $10.08 | $252,274 | 821,951 (Direct) | View |
| 2025-11-21 Sale | 2025-11-25 6:54 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 68,655 | $10.08 | $692,132 | 1,677,926 (Indirect Direct) | View |
| 2025-11-17 Sale | 2025-11-19 5:49 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 1,000,000 | $10.6 | $10,595,300 | 1,927,383 (Indirect Direct) | View |
| 2025-08-21 Sale | 2025-08-25 8:04 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 19,159 | $6.8162 | $130,592 | 846,975 (Direct) | View |
| 2025-08-21 Sale | 2025-08-25 8:02 pm | Amprius Technologies Inc. | AMPX | Wallach Sandra Chief Financial Officer | 28,390 | $6.8162 | $193,512 | 1,005,275 (Direct) | View |
| 2025-08-21 Sale | 2025-08-25 7:59 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 65,654 | $6.8162 | $447,511 | 1,746,581 (Indirect Direct) | View |
| 2025-05-21 Sale | 2025-05-23 5:54 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 20,366 | $2.432 | $49,530 | 866,134 (Direct) | View |
| 2025-05-21 Sale | 2025-05-23 5:51 pm | Amprius Technologies Inc. | AMPX | Wallach Sandra Chief Financial Officer | 27,595 | $2.432 | $67,111 | 1,033,665 (Direct) | View |
| 2025-05-21 Sale | 2025-05-23 5:48 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 69,786 | $2.432 | $169,720 | 1,812,235 (Direct) | View |
| 2025-02-21 Sale | 2025-02-24 7:42 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 34,353 | $3.1332 | $107,635 | 1,282,621 (Direct) | View |
| 2025-02-21 Sale | 2025-02-24 7:40 pm | Amprius Technologies Inc. | AMPX | Wallach Sandra Chief Financial Officer | 18,142 | $3.1332 | $56,843 | 678,000 (Direct) | View |
| 2025-02-21 Sale | 2025-02-24 7:38 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 9,066 | $3.1332 | $28,406 | 421,489 (Direct) | View |
| 2025-02-21 Sale | 2025-02-24 7:37 pm | Amprius Technologies Inc. | AMPX | Bornstein Jonathan President of Amprius Lab | 13,527 | $3.1332 | $42,383 | 1,481,554 (Indirect Direct) | View |
| 2024-11-21 Sale | 2024-11-22 4:29 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 33,779 | $1.9646 | $66,362 | 1,316,974 (Direct) | View |
| 2024-11-20 Sale | 2024-11-22 4:27 pm | Amprius Technologies Inc. | AMPX | Bornstein Jonathan President of Amprius Lab | 166,706 | $1.9316 | $322,016 | 1,495,081 (Indirect Direct) | View |
| 2024-11-21 Sale | 2024-11-22 4:25 pm | Amprius Technologies Inc. | AMPX | Wallach Sandra Chief Financial Officer | 17,158 | $1.9646 | $33,709 | 696,142 (Direct) | View |
| 2024-11-21 Sale | 2024-11-22 4:21 pm | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 8,575 | $1.9646 | $16,846 | 430,555 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-28 Exercise | 2026-01-30 6:02 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 90 | $0.62 | 748,696 (Direct) | View |
| 2026-01-28 Exercise | 2026-01-30 6:02 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 39,600 | $0.05 | 748,696 (Direct) | View |
| 2026-01-28 Exercise | 2026-01-30 6:02 pm | 2024-10-23 2027-03-15 | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 39,690 | $0 | 748,696 (Direct) | View |
| 2026-01-21 Exercise | 2026-01-23 5:36 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 41,563 | $0.62 | 1,290,818 (Direct) | View |
| 2026-01-22 Exercise | 2026-01-23 5:36 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 72,795 | $0.45 | 1,290,818 (Direct) | View |
| 2026-01-21 Exercise | 2026-01-23 5:36 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 453,349 | $0.05 | 1,290,818 (Direct) | View |
| 2026-01-21 Exercise | 2026-01-23 5:36 pm | 2024-10-23 2027-03-15 | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 567,707 | $0 | 1,290,818 (Direct) | View |
| 2026-01-16 Exercise | 2026-01-20 5:33 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Director | 850,338 | $2.5 | 4,346,121 (Direct) | View |
| 2026-01-16 Exercise | 2026-01-20 5:33 pm | 2024-10-23 2030-09-17 | Amprius Technologies Inc. | AMPX | Sun Kang Director | 993,733 | $0 | 4,346,121 (Direct) | View |
| 2026-01-16 Exercise | 2026-01-20 5:33 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Director | 143,395 | $1.78 | 4,346,121 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-14 6:04 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Director | 180,802 | $0.62 | 2,528,264 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-14 6:04 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Director | 117,201 | $2.5 | 2,528,264 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-14 6:04 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Director | 208,264 | $2.44 | 2,528,264 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-14 6:04 pm | 2022-09-14 2027-12-12 | Amprius Technologies Inc. | AMPX | Sun Kang Director | 506,267 | $0 | 2,528,264 (Direct) | View |
| 2025-12-19 Option Award | 2025-12-22 08:46 am | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 200,000 | $0 | 610,000 (Direct) | View |
| 2025-12-11 Exercise | 2025-12-15 6:25 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 125,000 | $0.05 | 1,059,658 (Direct) | View |
| 2025-12-11 Exercise | 2025-12-15 6:25 pm | 2022-09-14 2027-03-15 | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 125,000 | $0 | 1,059,658 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:49 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 202,934 | $0.98 | 1,927,383 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:49 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 69,116 | $0.62 | 1,927,383 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:49 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 727,950 | $0.05 | 1,927,383 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:49 pm | 2022-09-14 2026-12-14 | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 1,000,000 | $0 | 1,927,383 (Direct) | View |
| 2025-10-06 Option Award | 2025-10-08 5:16 pm | N/A N/A | Amprius Technologies Inc. | AMPX | RODRIGUEZ RICARDO C. Chief Financial Officer | 200,000 | $0 | 200,000 (Direct) | View |
| 2025-06-13 Option Award | 2025-06-17 8:41 pm | N/A N/A | Amprius Technologies Inc. | AMPX | HSIEH Wen Hsuan Director | 44,444 | $0 | 4,136,584 (Direct) | View |
| 2025-06-13 Option Award | 2025-06-17 8:27 pm | N/A N/A | Amprius Technologies Inc. | AMPX | DIXON DONALD R Director | 44,444 | $0 | 935,073 (Direct) | View |
| 2025-06-13 Option Award | 2025-06-17 8:19 pm | N/A N/A | Amprius Technologies Inc. | AMPX | SATTERTHWAITE LIVINGSTON Director | 44,444 | $0 | 336,083 (Direct) | View |
| 2025-06-13 Option Award | 2025-06-17 8:18 pm | N/A N/A | Amprius Technologies Inc. | AMPX | BAYLESS KATHLEEN A Director | 44,444 | $0 | 205,697 (Direct) | View |
| 2025-06-13 Option Award | 2025-06-17 8:18 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Chu Steven Director | 44,444 | $0 | 189,839 (Direct) | View |
Ownership(A) | 2025-05-12 6:08 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 0 | $0 | 10,000 (Direct) | View |
| 2025-05-01 Option Award | 2025-05-06 8:12 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 400,000 | $0 | 400,000 (Direct) | View |
| 2025-03-19 Option Award | 2025-03-21 5:03 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 599,400 | $0 | 1,882,021 (Direct) | View |
| 2025-03-19 Option Award | 2025-03-21 4:57 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Wallach Sandra Chief Financial Officer | 383,260 | $0 | 1,061,260 (Direct) | View |
| 2025-03-19 Option Award | 2025-03-21 4:55 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 461,540 | $0 | 886,500 (Direct) | View |
| 2025-03-14 Exercise | 2025-03-18 5:07 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 3,471 | $0.98 | 424,960 (Direct) | View |
| 2025-03-14 Exercise | 2025-03-18 5:07 pm | 2016-01-01 2025-03-17 | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 3,471 | $0 | 424,960 (Direct) | View |
| 2025-03-10 Exercise | 2025-03-12 5:14 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Bornstein Jonathan President of Amprius Lab | 3,471 | $0.98 | 422,668 (Direct) | View |
| 2025-03-10 Exercise | 2025-03-12 5:14 pm | 2016-01-01 2025-03-17 | Amprius Technologies Inc. | AMPX | Bornstein Jonathan President of Amprius Lab | 3,471 | $0 | 422,668 (Direct) | View |
| 2024-10-23 Option Award | 2024-10-25 6:34 pm | N/A 2025-03-17 | Amprius Technologies Inc. | AMPX | Bornstein Jonathan President of Amprius Lab | 31,239 | $0 | 1,693,026 (Direct) | View |
| 2024-10-23 Option Award | 2024-10-25 6:33 pm | N/A 2025-03-17 | Amprius Technologies Inc. | AMPX | Stefan Constantin Ionel Chief Technology Officer | 184,737 | $0 | 623,867 (Direct) | View |