Kathleen S. McAllister

Sits on 3 boards. Last updated September 28, 2026

Time on boards

Boards served
3
Current seats
3
Board service
7 years
Director since
2023

7 years of board service in total across 3 boards, counting each seat separately. Longest: Black Hills Corporation, 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
HMH Holding Inc. Director
5 months ยท Since 2026

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 1, 2026 Black Hills Corporation Grant or award +1,921 โ€” โ€”
Apr 2, 2026 HMH Holding Inc. Grant or award +8,486 โ€” โ€”
May 1, 2025 Black Hills Corporation Grant or award +2,222 โ€” โ€”
Mar 1, 2025 Black Hills Corporation Discretionary transaction +419 โ€” โ€”
Dec 31, 2024 Black Hills Corporation Discretionary transaction +292 โ€” โ€”
May 1, 2024 Black Hills Corporation Grant or award +2,428 โ€” โ€”
Apr 30, 2024 Black Hills Corporation Other +24 โ€” โ€”
Dec 31, 2023 Black Hills Corporation Discretionary transaction +200 โ€” โ€”
Aug 16, 2023 TMC the metals company Inc. Grant or award +5,000 $2.00 $10,000
May 31, 2023 TMC the metals company Inc. Grant or award +144,907 โ€” โ€”
May 1, 2023 Black Hills Corporation Grant or award +1,836 โ€” โ€”
Dec 31, 2022 Black Hills Corporation Discretionary transaction +81 โ€” โ€”

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