Sun Kang
Director
Sale
Calculated transaction value
$642.19K
62,101 shares @ $10.34
Traded
Aug 21, 2026
Filed
Aug 25, 2026
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Amprius Technologies
AMPX
ManufacturingElectronic Equipment
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
19 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Sun Kang Director | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $642.19K Filed shares x price | SEC Form 4 View filing | |
| Stefan Constantin Ionel Chief Technology Officer | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $306.93K Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 Same-day filing | Gift Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 Same-day filing | Gift Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 Same-day filing | Award Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 Same-day filing | Gift Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 Same-day filing | Gift Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 1-day lag | Sale Aug 24, 2026 | $80.24K Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $243.31K Filed shares x price | SEC Form 4 View filing | |
| Dixon Donald R Director | Jun 16, 2026 1-day lag | Sale Jun 15, 2026 | $1.46M Filed shares x price | SEC Form 4 View filing | |
| Bayless Kathleen A Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Dixon Donald R Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Satterthwaite Livingston Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Chu Steven Director | Jun 16, 2026 4-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Dixon Donald R Director | Jun 11, 2026 2-day lag | Sale Jun 9, 2026 | $765.2K Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Jun 5, 2026 1-day lag | Gift Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Jun 5, 2026 1-day lag | Gift Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Jun 5, 2026 1-day lag | Gift Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Stepien Thomas M Chief Executive Officer | Jun 5, 2026 1-day lag | Sale Jun 4, 2026 | $41.94K Filed shares x price | SEC Form 4 View filing |
Stefan Constantin Ionel
Chief Technology Officer
Sale
Calculated transaction value
$306.93K
29,681 shares @ $10.34
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
5,000 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
346 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Award
Calculated transaction value
$0
346 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
5,000 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
5,000 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Sale
Calculated transaction value
$80.24K
8,000 shares @ $10.03
Traded
Aug 24, 2026
Filed
Aug 25, 2026
Stepien Thomas M
Chief Executive Officer
Sale
Calculated transaction value
$243.31K
23,529 shares @ $10.34
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Dixon Donald R
Director
Sale
Calculated transaction value
$1.46M
85,000 shares @ $17.17
Traded
Jun 15, 2026
Filed
Jun 16, 2026
Bayless Kathleen A
Director
Award
Calculated transaction value
$0
10,423 shares @ $0
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Dixon Donald R
Director
Award
Calculated transaction value
$0
10,423 shares @ $0
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Satterthwaite Livingston
Director
Award
Calculated transaction value
$0
10,423 shares @ $0
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Chu Steven
Director
Award
Calculated transaction value
$0
10,423 shares @ $0
Traded
Jun 12, 2026
Filed
Jun 16, 2026
Dixon Donald R
Director
Sale
Calculated transaction value
$765.2K
40,000 shares @ $19.13
Traded
Jun 9, 2026
Filed
Jun 11, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
30,384 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
36,914 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Stepien Thomas M
Chief Executive Officer
Gift
Calculated transaction value
$0
36,914 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Stepien Thomas M
Chief Executive Officer
Sale
Calculated transaction value
$41.94K
2,000 shares @ $20.97
Traded
Jun 4, 2026
Filed
Jun 5, 2026