Bornstein Jonathan insider trades
Bornstein Jonathan has filed 18 Form 4s with the SEC that we hold, all for Amprius Technologies, Inc. (AMPX), as President of Amprius Lab. Across all of them we count 0 purchases worth $0 and 25 sales worth $4.8M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 150,000 shares of Amprius Technologies, Inc. worth $664.5K, dated 2024-02-06. The first filing on our record is dated 2022-09-16 and the latest 2025-03-12.
Amprius Technologies, Inc. (AMPX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-09-19 | S, sale reported on Form 4 | 143,516 | $627.2K | 2023-09-21 |
| 2023-09-20 | S, sale reported on Form 4 | 6,484 | $27.4K | 2023-09-21 |
| 2023-10-10 | S, sale reported on Form 4 | 70,329 | $306.6K | 2023-10-12 |
| 2023-10-11 | S, sale reported on Form 4 | 56,702 | $235.9K | 2023-10-12 |
| 2023-10-12 | S, sale reported on Form 4 | 22,969 | $89.6K | 2023-10-12 |
| 2023-11-07 | S, sale reported on Form 4 | 24,809 | $80.4K | 2023-11-09 |
| 2023-11-08 | S, sale reported on Form 4 | 48,052 | $146.6K | 2023-11-09 |
| 2023-11-09 | S, sale reported on Form 4 | 49,508 | $139.6K | 2023-11-09 |
| 2023-11-20 | S, sale reported on Form 4 | 27,631 | $106.1K | 2023-11-21 |
| 2023-12-05 | S, sale reported on Form 4 | 47,756 | $204.4K | 2023-12-07 |
| 2023-12-06 | S, sale reported on Form 4 | 47,767 | $192.0K | 2023-12-07 |
| 2023-12-07 | S, sale reported on Form 4 | 54,477 | $211.4K | 2023-12-07 |
| 2024-01-02 | S, sale reported on Form 4 | 124,634 | $538.4K | 2024-01-04 |
| 2024-01-02 | S, sale reported on Form 4 | 25,366 | $128.1K | 2024-01-04 |
| 2024-02-06 | S, sale reported on Form 4 | 150,000 | $664.5K | 2024-02-07 |
| 2024-03-05 | S, sale reported on Form 4 | 109,800 | $320.6K | 2024-03-07 |
| 2024-03-06 | S, sale reported on Form 4 | 40,200 | $111.8K | 2024-03-07 |
| 2024-04-02 | S, sale reported on Form 4 | 125,983 | $299.8K | 2024-04-03 |
| 2024-05-21 | S, sale reported on Form 4 | 11,171 | $14.9K | 2024-05-24 |
| 2024-05-22 | S, sale reported on Form 4 | 8,731 | $11.9K | 2024-05-24 |
| 2024-08-21 | S, sale reported on Form 4 | 18,644 | $19.4K | 2024-08-22 |
| 2024-11-20 | S, sale reported on Form 4 | 133,536 | $256.4K | 2024-11-22 |
| 2024-11-21 | S, sale reported on Form 4 | 18,170 | $35.6K | 2024-11-22 |
| 2024-11-21 | S, sale reported on Form 4 | 15,000 | $29.4K | 2024-11-22 |
| 2025-02-21 | S, sale reported on Form 4 | 13,527 | $42.3K | 2025-02-24 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1942459) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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