# EDGAR Filing Document

**Accession Number:** 0000100885
**File Stem:** 9999999995-25-003235
**Filing Date:** 2025-9
**Character Count:** 1320
**Document Hash:** 372f2d899fcfc714912b0eefd183da4e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003235.hdr.sgml**: 20251001

**ACCESSION NUMBER**: 9999999995-25-003235

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250930

**DATE AS OF CHANGE**: 20251001

**EFFECTIVENESS DATE**: 20250930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** UNION PACIFIC CORP
- **CENTRAL INDEX KEY:** 0000100885
- **STANDARD INDUSTRIAL CLASSIFICATION:** RAILROADS, LINE-HAUL OPERATING [4011]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 132626465
- **STATE OF INCORPORATION:** UT
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-290282
- **FILM NUMBER:** 251362412

**BUSINESS ADDRESS:**
- **STREET 1:** 1400 DOUGLAS STREET
- **STREET 2:** STOP 0310
- **CITY:** OMAHA
- **STATE:** NE
- **ZIP:** 68179
- **BUSINESS PHONE:** 402 544 6763

**MAIL ADDRESS:**
- **STREET 1:** 1400 DOUGLAS STREET
- **STREET 2:** STOP 0310
- **CITY:** OMAHA
- **STATE:** NE
- **ZIP:** 68179

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** September 30, 2025

**Time:** 17:00:00

**Form Type:** S-4

---

**CIK:** 0000100885

**Company Name:** UNION PACIFIC CORP

**File Number:** 333-290282