Stepien Thomas M bought AMPX
August 25, 2026 · Form 4 insider transaction
Stepien Thomas M bought 346 shares of Amprius Technologies, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
346
Price
$0.00
Total value
N/A
InsiderStepien Thomas M
Role—
SecurityCommon stock
Transaction codeA: Grant or award
Transaction dateAugust 25, 2026
Filing dateAugust 25, 2026
Shares owned after37,260
OwnershipIndirect
10b5-1 planNo
AmendedNo
Footnotes
These securities were transferred by the reporting person to the Rogers Stepien Family Revocable Trust, for which the reporting person and his spouse are co-trustees.; These securities are held by the Rogers Stepien Family Revocable Trust, for which the reporting person and his spouse are co-trustees.