Amprius Technologies, Inc. (AMPX) — Insider Trading
Insider trading activity for Amprius Technologies, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 35
- Last trade date: Aug 25, 2026
- Ticker: AMPX
Top Insiders
- BAYLESS KATHLEEN A — 1 trades, buy: $0, sell: $0
- Chu Steven — 1 trades, buy: $0, sell: $0
- SATTERTHWAITE LIVINGSTON — 1 trades, buy: $0, sell: $0
- Sun Kang — 11 trades, buy: $0, sell: $29.0M
- DIXON DONALD R — 4 trades, buy: $0, sell: $2.5M
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 |
| Jun 15, 2026 |
DIXON DONALD R |
AMPX Amprius Technologies, Inc. |
SELL |
85,000 |
$1.5M |
| Jun 12, 2026 |
DIXON DONALD R |
AMPX Amprius Technologies, Inc. |
OTHER |
10,423 |
N/A |
| Jun 12, 2026 |
BAYLESS KATHLEEN A |
AMPX Amprius Technologies, Inc. |
OTHER |
10,423 |
N/A |
| Jun 12, 2026 |
Chu Steven |
AMPX Amprius Technologies, Inc. |
OTHER |
10,423 |
N/A |
| Jun 12, 2026 |
SATTERTHWAITE LIVINGSTON |
AMPX Amprius Technologies, Inc. |
OTHER |
10,423 |
N/A |
| Jun 9, 2026 |
DIXON DONALD R |
AMPX Amprius Technologies, Inc. |
SELL |
40,000 |
$765K |
| Jun 4, 2026 |
Stepien Thomas M |
AMPX Amprius Technologies, Inc. |
SELL |
2,000 |
$42K |
| Jun 4, 2026 |
Stepien Thomas M |
AMPX Amprius Technologies, Inc. |
OTHER |
36,914 |
N/A |
| Jun 4, 2026 |
Stepien Thomas M |
AMPX Amprius Technologies, Inc. |
OTHER |
36,914 |
N/A |
| Jun 4, 2026 |
Stepien Thomas M |
AMPX Amprius Technologies, Inc. |
OTHER |
30,384 |
N/A |
| May 26, 2026 |
DIXON DONALD R |
AMPX Amprius Technologies, Inc. |
SELL |
17,895 |
$320K |
| May 27, 2026 |
Sun Kang |
AMPX Amprius Technologies, Inc. |
SELL |
356 |
$6K |
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