William F. Kimble

Sits on 2 boards. Last updated September 28, 2026

Time on boards

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

8 years of board service in total across 2 boards, counting each seat separately. Longest: Liberty Energy Inc., 3 years.

Liberty Energy Inc. Director ยท Chairman of the Board
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
Jun 30, 2026 Northern Oil and Gas Inc. Grant or award +2,410 โ€” โ€”
May 5, 2026 Liberty Energy Inc. Open-market sale โˆ’7,350 $33.92 $249,312
Mar 31, 2026 Northern Oil and Gas Inc. Grant or award +1,496 โ€” โ€”
Jan 2, 2026 Liberty Energy Inc. Grant or award +13,665 โ€” โ€”
Dec 31, 2025 Northern Oil and Gas Inc. Grant or award +2,038 โ€” โ€”
Sep 30, 2025 Northern Oil and Gas Inc. Grant or award +1,764 โ€” โ€”
Jun 30, 2025 Northern Oil and Gas Inc. Grant or award +1,543 โ€” โ€”
Mar 31, 2025 Northern Oil and Gas Inc. Grant or award +1,447 โ€” โ€”
Feb 3, 2025 Liberty Energy Inc. Grant or award +4,058 โ€” โ€”
Jan 2, 2025 Liberty Energy Inc. Grant or award +9,469 โ€” โ€”
Dec 31, 2024 Northern Oil and Gas Inc. Grant or award +1,177 โ€” โ€”
Sep 30, 2024 Northern Oil and Gas Inc. Grant or award +1,236 โ€” โ€”
Jun 28, 2024 Northern Oil and Gas Inc. Grant or award +1,177 โ€” โ€”
Apr 1, 2024 Northern Oil and Gas Inc. Grant or award +1,103 โ€” โ€”
Mar 8, 2024 Liberty Energy Inc. Open-market sale โˆ’12,459 $21.55 $268,491

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