UNION PACIFIC CORP — 4/A Filings
13 4/A filings on record
This page lists all 4/A 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 13 4/A 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/A | PRIMARY DOCUMENT | 0000100885-16-000282 | Feb 9, 2016 | Feb 4, 2016 |
| 4/A | PRIMARY DOCUMENT | 0000100885-16-000280 | Feb 9, 2016 | Feb 4, 2016 |
| 4/A | PRIMARY DOCUMENT | 0000100885-16-000278 | Feb 9, 2016 | Feb 4, 2016 |
| 4/A | PRIMARY DOCUMENT | 0000100885-16-000276 | Feb 9, 2016 | Feb 4, 2016 |
| 4/A | PRIMARY DOCUMENT | 0000100885-16-000274 | Feb 9, 2016 | Feb 4, 2016 |
| 4/A | PRIMARY DOCUMENT | 0000100885-09-000076 | Apr 17, 2009 | Apr 1, 2009 |
| 4/A | PRIMARY DOCUMENT | 0000100885-06-000142 | Jun 2, 2006 | Apr 21, 2006 |
| 4/A | PRIMARY DOCUMENT | 0000100885-06-000131 | Apr 5, 2006 | Apr 3, 2006 |
| 4/A | PRIMARY DOCUMENT | 0000100885-06-000087 | Feb 15, 2006 | Dec 23, 2005 |
| 4/A | PRIMARY DOCUMENT | 0000100885-05-000064 | Jan 11, 2005 | Jan 4, 2005 |
| 4/A | PRIMARY DOCUMENT | 0000100885-05-000062 | Jan 10, 2005 | Jan 4, 2005 |
| 4/A | PRIMARY DOCUMENT | 0000100885-05-000061 | Jan 10, 2005 | Jan 3, 2005 |
| 4/A | PRIMARY DOCUMENT | 0000100885-03-000015 | Jun 6, 2003 | Jun 4, 2003 |