Jennifer L. Hamann

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Steel Dynamics Inc., 3 years.

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
Sep 10, 2026 Union Pacific Corporation Grant or award +7 $285.78 $2,109
Aug 13, 2026 Steel Dynamics Inc. Grant or award +72 โ€” โ€”
Aug 10, 2026 Union Pacific Corporation Grant or award +8 $292.24 $2,325
Jul 10, 2026 Union Pacific Corporation Grant or award +8 $286.96 $2,325
Jul 10, 2026 Steel Dynamics Inc. Grant or award +18 โ€” โ€”
Jun 10, 2026 Union Pacific Corporation Grant or award +9 $267.03 $2,326
Jun 1, 2026 Steel Dynamics Inc. Grant or award +712 โ€” โ€”
May 10, 2026 Union Pacific Corporation Grant or award +9 $264.65 $2,326
May 6, 2026 Steel Dynamics Inc. Grant or award +79 โ€” โ€”
Apr 24, 2026 Union Pacific Corporation Open-market sale โˆ’2,000 $274.70 $549,400
Apr 10, 2026 Union Pacific Corporation Grant or award +9 $250.51 $2,325
Apr 10, 2026 Steel Dynamics Inc. Grant or award +16 โ€” โ€”
Mar 10, 2026 Union Pacific Corporation Grant or award +9 $250.21 $2,132
Feb 20, 2026 Steel Dynamics Inc. Grant or award +99 โ€” โ€”
Feb 12, 2026 Union Pacific Corporation Option exercise +4,243 $124.86 $529,781

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