UNION PACIFIC CORP — SC 13D/A Filings
17 SC 13D/A filings on record
This page lists all SC 13D/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 17 SC 13D/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 |
|---|---|---|---|---|
| SC 13D/A | SC 13D/A NO. 2 | 0000950172-01-501260 | Dec 5, 2001 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001019056-99-000125 | Mar 4, 1999 | — |
| SC 13D/A | SCHEDULE 13D - FINAL AMENDMENT | 0000950172-96-000550 | Sep 11, 1996 | — |
| SC 13D/A | SCHEDULE 13D - AMENDMENT NO. 15 | 0000950172-96-000403 | Jul 19, 1996 | — |
| SC 13D/A | SCHEDULE 13D - AMENDMENT NO. 14 | 0000950172-96-000364 | Jul 9, 1996 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 13 | 0000950172-96-000195 | Apr 30, 1996 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 12 | 0000950172-96-000058 | Feb 2, 1996 | — |
| SC 13D/A | SCHEDULE 13D-AMENDMENT NUMBER 11 | 0000950172-96-000030 | Jan 18, 1996 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 10 | 0000950172-95-000462 | Dec 1, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 9 | 0000950172-95-000422 | Oct 24, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 8 | 0000950172-95-000386 | Sep 28, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 10 | 0000950172-95-000088 | Mar 17, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 9 | 0000950172-95-000081 | Mar 13, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 8 | 0000950172-95-000077 | Mar 10, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 7 | 0000950172-95-000076 | Mar 10, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 6 | 0000950172-95-000072 | Mar 7, 1995 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT NO. 5 | 0000950172-94-000246 | Dec 15, 1994 | — |