Harry Quarls

Sits on 2 boards. Last updated September 28, 2026

Time on boards

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

5 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
Seadrill Limited Director
1 year ยท Since 2025

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
May 29, 2026 ESS Tech Inc. Grant or award +13,513 โ€” โ€”
May 14, 2026 Seadrill Limited Option exercise +4,860 โ€” โ€”
Oct 13, 2025 ESS Tech Inc. Grant or award +13,513 โ€” โ€”
Apr 17, 2025 Seadrill Limited Option exercise +2,409 โ€” โ€”
May 17, 2024 ESS Tech Inc. Grant or award +202,702 โ€” โ€”
May 10, 2024 ESS Tech Inc. Open-market purchase +57,310 $0.79 $45,275
May 9, 2024 ESS Tech Inc. Open-market purchase +42,690 $0.84 $35,860
Nov 16, 2023 ESS Tech Inc. Open-market purchase +5,489 $1.25 $6,861
Nov 15, 2023 ESS Tech Inc. Open-market purchase +67,118 $1.35 $90,609
Nov 14, 2023 ESS Tech Inc. Open-market purchase +80,579 $1.27 $102,335
Nov 13, 2023 ESS Tech Inc. Open-market purchase +46,814 $1.10 $51,495
Aug 28, 2023 ESS Tech Inc. Grant or award +123,456 โ€” โ€”

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