Stepien Thomas M

Chief Executive Officer, DirectorAmprius Technologies, Inc. (AMPX) · full profile →Form 4 · filed Aug 25, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$324K
Net Open-Market Flow
-$324K
Transactions
7
7 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 25, 2026Gift(G)5K$0584K
Aug 25, 2026Gift(G)346$0579K
Aug 25, 2026Grant(A)346$037K
Aug 25, 2026Gift(G)5K$0589K
Aug 25, 2026Gift(G)5K$0579K
Aug 24, 2026Sell(S)8K$10.03$80K594K
Aug 21, 2026Sell(S)24K$10.34$243K602K

Transaction Codes

G
Gift
A
Grant / award
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002067233-26-000019) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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