Arkolith/Insider Trading/AMPX/Form 4

Stepien Thomas M

Chief Executive Officer, DirectorAmprius Technologies, Inc. (AMPX) · full profile →Form 4 · filed Jun 5, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$42K
Net Open-Market Flow
-$42K
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 4, 2026Gift(G)30K—$0665K
Jun 4, 2026Gift(G)37K—$0628K
Jun 4, 2026Gift(G)37K—$037K
Jun 4, 2026Sell(S)2K$20.97$42K626K

Transaction Codes

G
Gift
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002067233-26-000015) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML