Constantin Ionel Stefan

Insider Reports History

Entity
Individual
Location
1180 Page Avenue, Fremont, CA
Signature
/s/ Sandra Wallach, attorney-in-fact on behalf of Constantin Ionel Stefan
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Constantin Ionel Stefan:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Amprius Technologies, Inc. Chief Technology Officer Common stock 386K $402K $1.04 Aug 21, 2024 Direct
Amprius Technologies, Inc. Chief Technology Officer Stock Option (right to buy) 436K Sep 9, 2023 Direct

Insider Reports Filed by Constantin Ionel Stefan

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AMPX Amprius Technologies, Inc. Aug 21, 2024 1 -$9.15K 4 Aug 22, 2024 Chief Technology Officer
AMPX Amprius Technologies, Inc. May 21, 2024 2 -$12.6K 4 May 24, 2024 Chief Technology Officer
AMPX Amprius Technologies, Inc. Mar 19, 2024 1 $0 4 Mar 19, 2024 Chief Technology Officer
AMPX Amprius Technologies, Inc. Sep 14, 2023 2 -$300K 4 Sep 18, 2023 Chief Technology Officer
AMPX Amprius Technologies, Inc. Sep 9, 2023 2 $4K 4 Sep 12, 2023 Chief Technology Officer
AMPX Amprius Technologies, Inc. Dec 14, 2022 1 -$1.5K 4 May 3, 2023 Chief Technology Officer
AMPX Amprius Technologies, Inc. Dec 14, 2022 2 $1.5K 4 Dec 15, 2022 Chief Technology Officer
AMPX Amprius Technologies, Inc. Sep 14, 2022 5 $0 4 Sep 16, 2022 Chief Technology Officer
AMPX Amprius Technologies, Inc. Sep 14, 2022 0 $0 3 Sep 16, 2022 Chief Technology Officer