Union Pacific Corp SEC filings UNP
Union Pacific Corp has 1,000 filings in SEC EDGAR's recent list, going back to Jan 21, 2021. Its latest annual report, Form 10-K, was filed on Feb 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 22, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B3 | Prospectus | Oct 1, 2025 | — |
| S-4/A | Filing | Sep 30, 2025 | — |
| S-4 | Registration for a merger or exchange | Sep 16, 2025 | — |
| 424B5 | Prospectus supplement | Feb 12, 2025 | — |
| FWP | Free writing prospectus | Feb 10, 2025 | — |
| 424B2 | Prospectus | Feb 10, 2025 | — |
| S-3ASR | Automatic shelf registration | Feb 13, 2024 | — |
| S-8 | Employee stock plan registration | Dec 18, 2023 | — |
| S-8 | Employee stock plan registration | Dec 18, 2023 | — |
| 424B5 | Prospectus supplement | Feb 15, 2023 | — |
| FWP | Free writing prospectus | Feb 13, 2023 | — |
| 424B2 | Prospectus | Feb 13, 2023 | — |
| 424B5 | Prospectus supplement | Sep 7, 2022 | — |
| FWP | Free writing prospectus | Sep 7, 2022 | — |
| 424B2 | Prospectus | Sep 6, 2022 | — |
| 424B5 | Prospectus supplement | Feb 10, 2022 | — |
| FWP | Free writing prospectus | Feb 9, 2022 | — |
| 424B2 | Prospectus | Feb 9, 2022 | — |
| S-8 | Employee stock plan registration | Nov 5, 2021 | — |
| S-8 | Employee stock plan registration | Nov 5, 2021 | — |
| 424B5 | Prospectus supplement | Sep 8, 2021 | — |
| FWP | Free writing prospectus | Sep 8, 2021 | — |
| 424B2 | Prospectus | Sep 7, 2021 | — |
| 424B3 | Prospectus | Sep 3, 2021 | — |
| S-4/A | Filing | Aug 20, 2021 | — |
| S-4 | Registration for a merger or exchange | Aug 3, 2021 | — |
| S-8 | Employee stock plan registration | May 25, 2021 | — |
| 424B5 | Prospectus supplement | May 18, 2021 | — |
| FWP | Free writing prospectus | May 18, 2021 | — |
| 424B2 | Prospectus | May 17, 2021 | — |
| 424B3 | Prospectus | May 5, 2021 | — |
| S-4/A | Filing | Apr 27, 2021 | — |
| S-4 | Registration for a merger or exchange | Feb 10, 2021 | — |
| S-3ASR | Automatic shelf registration | Feb 10, 2021 | — |
Showing 34 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Railroads, Line-Haul Operating (SIC 4011)
- Listed as
- UNP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- UT
- Headquarters
- Omaha, NE
- SEC filer status
- Large accelerated filer
- SEC CIK
- 100885
Other Railroads, Line-Haul Operating companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.