UNION PACIFIC CORP — EFFECT Filings
8 EFFECT filings on record
This page lists all EFFECT 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 8 EFFECT 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-25-003235 | Sep 30, 2025 | — |
| EFFECT | — | 9999999995-21-003357 | Aug 30, 2021 | — |
| EFFECT | — | 9999999995-21-001676 | Apr 30, 2021 | — |
| EFFECT | — | 9999999995-20-000724 | Apr 10, 2020 | — |
| EFFECT | — | 9999999995-16-006274 | Nov 18, 2016 | — |
| EFFECT | — | 9999999995-13-003570 | Dec 16, 2013 | — |
| EFFECT | — | 9999999995-11-002827 | Sep 28, 2011 | — |
| EFFECT | — | 9999999995-10-003256 | Nov 15, 2010 | — |