Thomas M Stepien
Director, Chief Executive Officer · 6 filings · Latest: Aug 21, 2026
Amprius Technologies, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
AMPX | Thomas M Stepien | Director, Chief Executive Officer | Aug 24, 2026 | Sale | $10.03 | 8,000 | $80.2K | 594,096 | |
AMPX | Thomas M Stepien | Director, Chief Executive Officer | Aug 21, 2026 | Sale | $10.34 | 23,529 | $243.3K | 602,096 | |
AMPX | THOMAS M STEPIEN | — | Aug 21, 2026 | Proposed Sale | $10.34 | 23,529 | $243.3K | — | |
AMPX | THOMAS M STEPIEN | — | Aug 24, 2026 | Proposed Sale | $10.03 | 8,000 | $80.2K | — | |
AMPX | Thomas M Stepien | Director, Chief Executive Officer | Jun 4, 2026 | Sale | $20.97 | 2,000 | $41.9K | 625,625 | |
AMPX | THOMAS M STEPIEN | — | Jun 4, 2026 | Proposed Sale | $20.97 | 2,000 | $41.9K | — | |
AMPX | Thomas M Stepien | Director, Chief Executive Officer | May 27, 2026 | Sale | $17.19 | 4,375 | $75.2K | 694,923 | |
AMPX | Thomas M. Stepien | — | May 27, 2026 | Proposed Sale | $17.19 | 4,375 | $75.2K | — | |
AMPX | Thomas M Stepien | Director, Chief Executive Officer | May 21, 2026 | Sale | $14.79 | 60,702 | $897.7K | 699,298 | |
AMPX | Thomas M. Stepien | — | May 21, 2026 | Proposed Sale | $14.79 | 60,702 | $897.7K | — |