UNION PACIFIC CORP — 8-K Filings
406 8-K filings on record
This page lists all 8-K 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 406 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0000100885-26-000032 | Jan 27, 2026 | — |
| 8-K | 8-K | 0000100885-25-000347 | Dec 19, 2025 | — |
| 8-K | 8-K | 0000100885-25-000345 | Dec 12, 2025 | — |
| 8-K | 8-K | 0000100885-25-000332 | Nov 17, 2025 | Nov 14, 2025 |
| 8-K | 8-K | 0001193125-25-270046 | Nov 6, 2025 | — |
| 8-K | 8-K | 0000100885-25-000320 | Oct 23, 2025 | — |
| 8-K | 8-K | 0000100885-25-000271 | Sep 10, 2025 | — |
| 8-K | 8-K | 0001193125-25-167154 | Jul 29, 2025 | Jul 28, 2025 |
| 8-K | 8-K | 0001193125-25-168150 | Jul 29, 2025 | Jul 28, 2025 |
| 8-K | 8-K | 0000100885-25-000252 | Jul 24, 2025 | — |
| 8-K | 8-K | 0000100885-25-000250 | Jul 24, 2025 | — |
| 8-K | 8-K | 0000100885-25-000162 | May 9, 2025 | May 8, 2025 |
| 8-K | 8-K | 0000100885-25-000160 | May 9, 2025 | May 8, 2025 |
| 8-K | 8-K | 0000100885-25-000150 | Apr 24, 2025 | — |
| 8-K | 8-K | 0000100885-25-000082 | Feb 18, 2025 | Feb 14, 2025 |
| 8-K | 8-K | 0000100885-25-000077 | Feb 13, 2025 | — |
| 8-K | 8-K | 0001628280-25-002292 | Jan 23, 2025 | — |
| 8-K | FORM 8-K | 0001437749-24-031962 | Oct 24, 2024 | — |
| 8-K | FORM 8-K | 0001437749-24-029518 | Sep 19, 2024 | — |
| 8-K | FORM 8-K | 0001437749-24-023420 | Jul 25, 2024 | — |
| 8-K | FORM 8-K | 0001437749-24-016013 | May 10, 2024 | May 9, 2024 |
| 8-K | FORM 8-K | 0001437749-24-013124 | Apr 25, 2024 | — |
| 8-K | FORM 8-K | 0001437749-24-002118 | Jan 25, 2024 | — |
| 8-K | FORM 8-K | 0001437749-23-034441 | Dec 14, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-028559 | Oct 19, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-027169 | Sep 29, 2023 | Sep 28, 2023 |
| 8-K | FORM 8-K | 0001437749-23-023361 | Aug 11, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-020647 | Jul 26, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-020718 | Jul 26, 2023 | Jul 25, 2023 |
| 8-K | FORM 8-K | 0001437749-23-017204 | Jun 13, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-015331 | May 19, 2023 | May 18, 2023 |
| 8-K | FORM 8-K | 0001437749-23-010684 | Apr 20, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-004647 | Feb 27, 2023 | Feb 26, 2023 |
| 8-K | FORM 8-K | 0001437749-23-003966 | Feb 21, 2023 | — |
| 8-K | FORM 8-K | 0001437749-23-001638 | Jan 24, 2023 | — |
| 8-K | FORM 8-K | 0001437749-22-024411 | Oct 20, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-022126 | Sep 9, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-017481 | Jul 21, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-015838 | Jun 24, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-014457 | Jun 7, 2022 | Jun 3, 2022 |
| 8-K | FORM 8-K | 0001437749-22-013750 | May 27, 2022 | May 26, 2022 |
| 8-K | FORM 8-K | 0001437749-22-012490 | May 16, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-009378 | Apr 21, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-003713 | Feb 17, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-003268 | Feb 14, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-002936 | Feb 10, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-002437 | Feb 4, 2022 | — |
| 8-K | FORM 8-K | 0001437749-22-001269 | Jan 20, 2022 | — |
| 8-K | 8-K | 0000100885-21-000396 | Dec 6, 2021 | — |
| 8-K | 8-K | 0000100885-21-000389 | Dec 1, 2021 | — |