MICHAEL R. NIGGLI

Insider Reports History

Location
San Diego, CA
Signature
/s/ Kate Suhadolnik, by power of attorney
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 MICHAEL R. NIGGLI:

Company Role Class Num Shares Value Price $ Report Date Ownership
PG&E Corp Director Common Stock 58,846 $1,031,566 $17.53 17 May 2024 Direct
ESS Tech, Inc. Director Common Stock 90,825 $116,256 $1.28 13 Oct 2025 Direct

Insider Reports Filed by MICHAEL R. NIGGLI

Symbol Company Period Transactions Value $ Form Type Role Filing Time
GWH ESS Tech, Inc. 13 Oct 2025 1 $0 4 Director 15 Oct 2025, 16:51
GWH ESS Tech, Inc. 29 Aug 2024 2 +$81,542 4 Director 03 Sep 2024, 17:02
PCG PG&E Corp 17 May 2024 1 $0 4 Director 21 May 2024, 16:12
GWH ESS Tech, Inc. 17 May 2024 1 $0 4 Director 17 May 2024, 12:44
PCG PG&E Corp 19 May 2023 1 $0 4 Director 23 May 2023, 12:48
GWH ESS Tech, Inc. 19 May 2023 1 $0 4 Director 22 May 2023, 16:23
GWH ESS Tech, Inc. 16 May 2023 1 +$8,104 4 Director 17 May 2023, 16:26
GWH ESS Tech, Inc. 12 May 2023 1 +$22,592 4 Director 15 May 2023, 21:05
GWH ESS Tech, Inc. 06 Mar 2023 1 +$8,250 4 Director 07 Mar 2023, 16:18
GWH ESS Tech, Inc. 15 Dec 2022 1 +$48,896 4 Director 16 Dec 2022, 13:49
GWH ESS Tech, Inc. 01 Jun 2022 1 $0 4 Director 03 Jun 2022, 16:25
PCG PG&E Corp 19 May 2022 1 $0 4 Director 23 May 2022, 19:39
GWH ESS Tech, Inc. 01 Mar 2022 1 +$100,168 4 Director 03 Mar 2022, 19:24
GWH ESS Tech, Inc. 09 Nov 2021 2 +$778,220 4 Director 17 Nov 2021, 20:58
GWH ESS Tech, Inc. 09 Nov 2021 6 +$1,435,720 4 Director 12 Nov 2021, 17:15
GWH ESS Tech, Inc. 08 Oct 2021 0 $0 3 Director 18 Oct 2021, 20:33
PCG PG&E Corp 20 May 2021 1 $0 4 Director 24 May 2021, 21:38