Arkolith/Insider Trading/AMPX/Form 4

Sun Kang

Chief Executive Officer, DirectorAmprius Technologies, Inc. (AMPX) · full profile →Form 4 · filed Nov 19, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$10.6M
Net Open-Market Flow
-$10.6M
Transactions
9
5 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 17, 2025Option exercise(M)203K$0.98$199K1.7M
Nov 17, 2025Option exercise(M)42K$0.62$26K2.5M
Nov 17, 2025Option exercise(M)27K$0.62$17K2.4M
Nov 17, 2025Option exercise(M)728K$0.05$36K2.4M
Nov 17, 2025Sell(S)1.0M$10.60$10.6M1.5M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 17, 2025Option exercise(M)203K—$00
Nov 17, 2025Option exercise(M)42K—$00
Nov 17, 2025Option exercise(M)728K—$00
Nov 17, 2025Option exercise(M)27K—$0181K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001476220-25-000018) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML