UNION PACIFIC CORP — 4 Filings
2,162 4 filings on record
This page lists all 4 filings submitted to the SEC by UNION PACIFIC CORP (UNP), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNION PACIFIC CORP has filed 2,162 4 documents with the SEC since 2020. To view all SEC filings by UNION PACIFIC CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
15-12B
15-12G
3
3/A
4
4/A
424B2
424B3
424B5
425
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFC14A
DEFN14A
DEFR14A
DFAN14A
EFFECT
FWP
NO ACT
POS AM
PRE 14A
PREM14A
PREN14A
PRER14A
PRRN14A
PX14A6G
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
SC 14D1
SC 14D1/A
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0000100885-26-000086 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000080 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000083 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000082 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000084 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000085 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000081 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000070 | Feb 12, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000069 | Feb 12, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000062 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000060 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000066 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000058 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000064 | Feb 11, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000055 | Feb 10, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000056 | Feb 10, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000052 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000047 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000049 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000048 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000051 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000046 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000050 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000035 | Feb 4, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000028 | Jan 12, 2026 | Jan 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000027 | Jan 12, 2026 | Jan 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000026 | Jan 12, 2026 | Jan 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000017 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000018 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000019 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000015 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000011 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000016 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000013 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000014 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000020 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-26-000012 | Jan 5, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000341 | Dec 12, 2025 | Dec 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000342 | Dec 12, 2025 | Dec 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000340 | Dec 12, 2025 | Dec 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000334 | Dec 4, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000327 | Nov 12, 2025 | Nov 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000328 | Nov 12, 2025 | Nov 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000329 | Nov 12, 2025 | Nov 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000323 | Nov 5, 2025 | Nov 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000309 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000310 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000311 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000312 | Oct 14, 2025 | Oct 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000100885-25-000313 | Oct 14, 2025 | Oct 10, 2025 |