Union Pacific (UNP) 4: Hamann Jennifer L bought 17,898 shares of Common Stock at $… (Feb 6, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-05 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: UNION PACIFIC CORP (UNP) CIK: 0000100885 --- Reporting Owner --- Name: Hamann Jennifer L CIK: 0001798280 Role: Officer (EVP & CHIEF FINANCIAL OFFICER) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-05 | Code: A (Grant or award) Shares: +17,898 | Price: $0.00 Shares Owned After: 126,739.8976 | Ownership: D (Direct) Footnotes: [F1] Performance retention unit award with a distribution ratio of 1:1. This award is payable only in shares of common stock with a three year vesting period from the grant date. The amount of shares in column 4 is the maximum number of shares that the reporting person is eligible to receive. The actual number of shares paid out at vesting, if any, depends on applicable performance criteria being met. --- Derivative Transactions --- [Transaction #1] Security: Non-Qualified Stock Option (right to buy) Date: 2026-02-05 | Code: A (Grant or award) Shares: +29,811 | Price: $0.00 Exercisable: N/A | Expires: 2036-02-05 Shares Owned After: 29,811 | Ownership: D (Direct) Footnotes: [F2] This option becomes exercisable in three equal installments starting one year from the grant date. [F2] This option becomes exercisable in three equal installments starting one year from the grant date. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Performance retention unit award with a distribution ratio of 1:1. This award is payable only in shares of common stock with a three year vesting period from the grant date. The amount of shares in column 4 is the maximum number of shares that the reporting person is eligible to receive. The actual number of shares paid out at vesting, if any, depends on applicable performance criteria being met. F2: This option becomes exercisable in three equal installments starting one year from the grant date. --- Signature --- /s/ By: Trevor L. Kingston, Attorney-in-Fact For: Jennifer L. Hamann (2026-02-06)