Arkolith/Insider Trading/AMPX/Form 4

Sun Kang

DirectorAmprius Technologies, Inc. (AMPX) · full profile →Form 4 · filed Jan 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$11.0M
Net Open-Market Flow
-$11.0M
Transactions
8
5 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 20, 2026Sell(S)43K$11.03$476K1.4M
Jan 20, 2026Option exercise(M)43K$1.78$77K1.4M
Jan 16, 2026Option exercise(M)100K$1.78$178K2.4M
Jan 16, 2026Sell(S)951K$11.07$10.5M1.4M
Jan 16, 2026Option exercise(M)850K$2.50$2.1M2.3M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 20, 2026Option exercise(M)43K—$01.3M
Jan 16, 2026Option exercise(M)100K—$01.4M
Jan 16, 2026Option exercise(M)850K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001476220-26-000005) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML