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 887K $869K $0.98 Mar 19, 2025 Direct
Amprius Technologies, Inc. Chief Technology Officer Stock Option (right to buy) 0 Mar 14, 2025 Direct

Insider Reports Filed by Constantin Ionel Stefan

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AMPX Amprius Technologies, Inc. Mar 19, 2025 1 $0 4 Mar 21, 2025 Chief Technology Officer
AMPX Amprius Technologies, Inc. Mar 14, 2025 2 $3.4K 4 Mar 18, 2025 Chief Technology Officer
AMPX Amprius Technologies, Inc. Feb 21, 2025 1 -$28.4K 4 Feb 24, 2025 Chief Technology Officer
AMPX Amprius Technologies, Inc. Nov 21, 2024 1 -$16.8K 4 Nov 22, 2024 Chief Technology Officer
AMPX Amprius Technologies, Inc. Oct 23, 2024 3 $0 4 Oct 25, 2024 Chief Technology Officer
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