LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001940928

Constantin Ionel Stefan

31 transactions in one company, from November 21, 2025 to August 21, 2026.

Transactions
311 company
Bought · P
$0open market
Sold · S
$10.7Mopen market
Net
−$10.7Mnet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Amprius Technologies, Inc.AMPX31—$10.7M

All transactions

31 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOAug 21S29,681$10.34$307K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOMay 27S3,208$17.19$55K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOMay 21S28,812$14.79$426K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOMar 4A110,000$0.00—
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOFeb 23S25,366$10.16$258K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 28M39,600$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 28M90$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 28S39,690$12.00$476K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 28M39,600$0.05$2K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 28M90$0.62$56
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 23M1,600$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 22M166,104$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 22M72,795$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 22M253,928$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 21M15,883$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 21M15,834$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVJan 21M41,563$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 23S1,600$12.00$19K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 23M1,600$0.05$80
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 22S492,827$12.04$5.9M
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 22M166,104$0.05$8K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 22M72,795$0.45$33K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 22M253,928$0.05$13K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 21S73,280$12.00$879K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 21M15,883$0.05$794
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 21M15,834$0.05$792
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTOJan 21M41,563$0.62$26K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODERIVDec 11M125,000$0.00—?
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODec 11S198,255$10.51$2.1M
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTODec 11M125,000$0.05$6K
Amprius Technologies, Inc.AMPXConstantin Ionel StefanCTONov 21S25,024$10.08$252K