Michael R. Niggli

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: ESS Tech Inc., 3 years.

ESS Tech Inc. Director
3 years ยท Since 2023
3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Aug 29, 2024 ESS Tech Inc. Option exercise +11,852 $6.88 $81,542
May 17, 2024 Pacific Gas & Electric Co. Grant or award +9,677 โ€” โ€”
May 17, 2024 ESS Tech Inc. Grant or award +202,702 โ€” โ€”
May 19, 2023 Pacific Gas & Electric Co. Grant or award +10,836 โ€” โ€”
May 19, 2023 ESS Tech Inc. Grant or award +135,373 โ€” โ€”
May 16, 2023 ESS Tech Inc. Open-market purchase +10,000 $0.81 $8,100
May 12, 2023 ESS Tech Inc. Open-market purchase +20,000 $1.13 $22,600
Mar 6, 2023 ESS Tech Inc. Open-market purchase +5,000 $1.65 $8,250

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.