Amprius Technologies, Inc. (AAMPX) — Insider Trading
Insider trading activity for Amprius Technologies, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 8
- Last trade date: Aug 25, 2026
- Ticker: AAMPX
Top Insiders
- Stepien Thomas M (Chief Executive Officer) — 4 trades, buy: $0, sell: $324K
- Stefan Constantin Ionel (Chief Technology Officer) — 1 trades, buy: $0, sell: $307K
- Constantin Ionel Stefan (OFFICER) — 1 trades, buy: $0, sell: $307K
- THOMAS M STEPIEN (OFFICER) — 1 trades, buy: $0, sell: $243K
- THOMAS M STEPIEN (Officer) — 1 trades, buy: $0, sell: $80K
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 25, 2026 | Stepien Thomas M | AMPX Amprius Technologies, Inc. | BUY | 346 | N/A |
| Aug 25, 2026 | Stepien Thomas M | AMPX Amprius Technologies, Inc. | OTHER | 5,000 | N/A |
| Aug 24, 2026 | Stepien Thomas M | AMPX Amprius Technologies, Inc. | SELL | 8,000 | $80K |
| Aug 21, 2026 | Stepien Thomas M | AMPX Amprius Technologies, Inc. | SELL | 23,529 | $243K |
| Aug 24, 2026 | THOMAS M STEPIEN | AAMPX AAMPX | SELL | 8,000 | $80K |
| Aug 21, 2026 | THOMAS M STEPIEN | AAMPX Amprius Technologies, Inc. | SELL | 23,529 | $243K |
| Aug 21, 2026 | Constantin Ionel Stefan | AAMPX Amprius Technologies, Inc. | SELL | 29,681 | $307K |
| Aug 21, 2026 | Stefan Constantin Ionel | AAMPX Amprius Technologies, Inc. | SELL | 29,681 | $307K |