InsiderClue
Stocks · Technology · Miscellaneous Electrical Machinery, Equipment & Supplies

Amprius Technologies, Inc.

AMPX Clue Score50
United States Fiscal year ends December CIK 0001899287 Results filed 4 Aug 2026
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What the insiders did Net selling

Individual transactions

5
Insider
Date
Role
Action
Shares
Price
Amount
Constantin Ionel Stefan
14 Mar 2025
Chief Technology Officer
Exercised, kept
3,471
$0.98
$3.40K
Jonathan Bornstein
10 Mar 2025
President of Amprius Lab
Exercised, kept
3,471
$0.98
$3.40K
Jonathan Bornstein
12 Apr 2024
President of Amprius Lab
Exercised, kept
1,007,867
$0.05
$50.39K
Constantin Ionel Stefan
9 Sep 2023
Chief Technology Officer
Exercised, kept
80,000
$0.05
$4.00K
Constantin Ionel Stefan
14 Dec 2022
Chief Technology Officer
Exercised, kept
30,000
$0.05
$1.50K
Show all 127 transactions →

What was left out

Form 4 filings counted 124
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 35
Sales at will 87
Transactions with no price 0
Shares from compensation/vesting 129,066,266
History held since 16 Sep 2022