Hamann Jennifer L — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Hamann Jennifer L has filed 7 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $549K.

Profile

Hamann Jennifer L

Jennifer L. Hamann is the Executive Vice President and Chief Financial Officer of Union Pacific Corporation, where she oversees financial operations and strategy. She has also served as a director at Steel Dynamics Inc., contributing to her extensive experience in financial leadership within major corporations.

RoleDirector
Notability50/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-14STLDSTEEL DYNAMICS INCA — Grant or award18$0.00
2026-07-13UNPUNION PACIFIC CORPA — Grant or award8$286.96$2K
2026-06-11UNPUNION PACIFIC CORPA — Grant or award9$267.03$2K
2026-06-01STLDSTEEL DYNAMICS INCA — Grant or award712$0.00
2026-05-11UNPUNION PACIFIC CORPA — Grant or award9$264.65$2K
2026-05-07STLDSTEEL DYNAMICS INCA — Grant or award79$0.00
2026-04-28UNPUNION PACIFIC CORPS — Open-market sale2.0K$274.70$549K
2026-04-13UNPUNION PACIFIC CORPA — Grant or award9$250.51$2K
2026-04-13STLDSTEEL DYNAMICS INCA — Grant or award16$0.00
2026-03-11UNPUNION PACIFIC CORPA — Grant or award9$250.21$2K
2026-02-23STLDSTEEL DYNAMICS INCA — Grant or award99$0.00
2026-02-12UNPUNION PACIFIC CORPF — Tax withholding / forfeiture902$262.81$237K
2026-02-12UNPUNION PACIFIC CORPF — Tax withholding / forfeiture2.0K$262.81$530K
2026-02-12UNPUNION PACIFIC CORPM — Option exercise4.2K$124.86$530K
2026-02-11UNPUNION PACIFIC CORPA — Grant or award8$261.32$2K
2026-02-11UNPUNION PACIFIC CORPF — Tax withholding / forfeiture2.7K$254.34$682K
2026-02-11UNPUNION PACIFIC CORPD — Derivative transaction8.8K$0.00
2026-02-06UNPUNION PACIFIC CORPA — Grant or award17.9K$0.00
2026-01-12STLDSTEEL DYNAMICS INCA — Grant or award15$0.00
2025-12-04UNPUNION PACIFIC CORPG — Bona-fide gift300$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Hamann Jennifer L?

Jennifer L. Hamann is the Executive Vice President and Chief Financial Officer of Union Pacific Corporation, where she oversees financial operations and strategy. She has also served as a director at Steel Dynamics Inc., contributing to her extensive experience in financial leadership within major corporations.…

How many SEC Form 4 filings has Hamann Jennifer L submitted recently?

7 primary Form 4 filings in the last 90 days, covering 2 companies.

Has Hamann Jennifer L been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($549K) across all tracked filings.

Where can I see all of Hamann Jennifer L's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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