Steven Chu

Insider Reports History

Location
Santa Clara, CA
Signature
/s/ Sandra Wallach, attorney-in-fact on behalf of Steven Chu
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 Steven Chu:

Company Role Class Num Shares Value Price $ Report Date Ownership
Amprius Technologies, Inc. Director Common stock 189,839 $544,837 $2.87 13 Jun 2025 Direct
Amprius Technologies, Inc. Director Stock Option (right to buy) 173,554 23 Oct 2024 Direct
Zymergen Inc. Director Common Stock 0 $2.80 19 Oct 2022 Direct
Zymergen Inc. Director Stock Options 0 19 Oct 2022 Direct

Insider Reports Filed by Steven Chu

Symbol Company Period Transactions Value $ Form Type Role Filing Time
AMPX Amprius Technologies, Inc. 13 Jun 2025 1 $0 4 Director 17 Jun 2025, 20:18
AMPX Amprius Technologies, Inc. 23 Oct 2024 2 $0 4 Director 25 Oct 2024, 18:30
AMPX Amprius Technologies, Inc. 07 Jun 2024 1 $0 4 Director 07 Jun 2024, 20:44
AMPX Amprius Technologies, Inc. 09 Jun 2023 1 $0 4 Director 12 Jun 2023, 18:29
/report/000164584222000147-chu-steven-2022-10-19 Zymergen Inc. 19 Oct 2022 3 $0 4 Director 19 Oct 2022, 20:15
AMPX Amprius Technologies, Inc. 14 Sep 2022 1 $0 4 Director 16 Sep 2022, 19:20
AMPX Amprius Technologies, Inc. 14 Sep 2022 0 $0 3 Director 16 Sep 2022, 18:54
/report/000164584222000094-chu-steven-2022-06-02 Zymergen Inc. 02 Jun 2022 1 $0 4 Director 06 Jun 2022, 19:21