Chu Steven

DirectorAmprius Technologies, Inc. (AMPX) · full profile →Form 4 · filed Mar 12, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$5.9M
Net Open-Market Flow
-$5.9M
Transactions
10
7 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 12, 2026Sell(S)50K$18.21$911K133K
Mar 12, 2026Sell(S)6K$18.53$103K127K
Mar 12, 2026Option exercise(M)86K$2.61$225K213K
Mar 12, 2026Option exercise(M)69K$0.62$43K283K
Mar 12, 2026Sell(S)100K$18.65$1.9M183K
Mar 10, 2026Sell(S)167K$17.92$3.0M127K
Mar 10, 2026Option exercise(M)104K$0.62$65K294K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 12, 2026Option exercise(M)69K$0.62$43K0
Mar 12, 2026Option exercise(M)86K$2.61$225K184K
Mar 10, 2026Option exercise(M)104K$0.62$65K69K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001296381-26-000003) within minutes of acceptance. Every field above traces to the original document. Verify it directly: