CIK 0001899287 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Amprius Technologies, Inc.
Sign in to watch- Ticker
- AMPX
- Exchange
- NYSE
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 981591811
- Phone
- (800) 425-8803
- Business address
- 1180 PAGE AVENUE, FREMONT, CA, 94538
- Former names
- Kensington Capital Acquisition Corp. IV
Securities
- AMPX Amprius Technologies, Inc. Common Stock NYSE
- AMPX-WT Warrants NYSE
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,272,671
- in 3 filings
Net −$1,272,671. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-05-01 | Stepien Thomas M President | Grant or award | +400,000 | 400,000 | ||
| 2025-03-19 | Stefan Constantin Ionel Chief Technology Officer | Grant or award | +461,540 | 886,500 | ||
| 2025-03-19 | Wallach Sandra Chief Financial Officer | Grant or award | +383,260 | 1,061,260 | ||
| 2025-03-19 | Sun Kang Chief Executive Officer | Grant or award | +599,400 | 1,882,021 | ||
| 2025-03-14 | Stefan Constantin Ionel Chief Technology Officer | Option exercise | +3,471 | $0.98 | $3K | 424,960 |
| 2025-03-14 | Stefan Constantin Ionel Chief Technology Officer | Option exercise · Stock Option (right to buy) | −3,471 | 0 | ||
| 2025-03-10 | Bornstein Jonathan President of Amprius Lab | Option exercise | +3,471 | $0.98 | $3K | 422,668 |
| 2025-03-10 | Bornstein Jonathan President of Amprius Lab | Option exercise · Stock Option (right to buy) | −3,471 | 0 | ||
| 2025-02-21 | Bornstein Jonathan President of Amprius Lab | Sale | −13,527 | $3.13 | $42K | 419,197 |
| 2025-02-21 | Stefan Constantin Ionel Chief Technology Officer | Sale | −9,066 | $3.13 | $28K | 421,489 |
| 2025-02-21 | Wallach Sandra Chief Financial Officer | Sale | −18,142 | $3.13 | $57K | 678,000 |
| 2025-02-21 | Sun Kang Chief Executive Officer | Sale | −34,353 | $3.13 | $108K | 1,282,621 |
| 2024-11-21 | Bornstein Jonathan President of Amprius Lab | Sale | −15,000 | $1.96 | $29K | 1,040,950 |
| 2024-11-21 | Bornstein Jonathan President of Amprius Lab | Sale | −18,170 | $1.96 | $36K | 454,131 |
| 2024-11-21 | Stefan Constantin Ionel Chief Technology Officer | Sale | −8,575 | $1.96 | $17K | 430,555 |
| 2024-11-21 | Wallach Sandra Chief Financial Officer | Sale | −17,158 | $1.96 | $34K | 696,142 |
| 2024-11-21 | Sun Kang Chief Executive Officer | Sale | −33,779 | $1.96 | $66K | 1,316,974 |
| 2024-11-20 | Bornstein Jonathan President of Amprius Lab | Sale | −133,536 | $1.92 | $257K | 1,039,187 |
| 2024-10-23 | Bornstein Jonathan President of Amprius Lab | Grant or award · Stock Option (right to buy) | +3,471 | 3,471 | ||
| 2024-10-23 | Bornstein Jonathan President of Amprius Lab | Grant or award · Stock Option (right to buy) | +27,768 | 27,768 |
Page 7 of 16 · 317 trades