OCCIDENTAL PETROLEUM CORP /DE/ — DEF 14A Filings
32 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by OCCIDENTAL PETROLEUM CORP /DE/ (OXY-WT), sorted by most recent first. Each row links to the full filing on EdgarLookup. OCCIDENTAL PETROLEUM CORP /DE/ has filed 32 DEF 14A documents with the SEC since 2016. To view all SEC filings by OCCIDENTAL PETROLEUM CORP /DE/, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
11-K
13F-HR
13F-HR/A
15-12B
25
25-NSE
3
3/A
4
4/A
424B1
424B2
424B3
424B5
424B7
425
5
8-A12B
8-B12B/A
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
FWP
NO ACT
POS AM
POSASR
PRE 14A
PREC14A
PRER14A
PRRN14A
PX14A6G
S-3
S-3/A
S-3ASR
S-3D
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001628280-26-019816 | Mar 19, 2026 | Dec 31, 2025 |
| DEF 14A | DEF 14A | 0000797468-25-000054 | Mar 20, 2025 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0000797468-24-000075 | Mar 21, 2024 | Dec 31, 2023 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001308179-23-000331 | Mar 23, 2023 | — |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-22-000870 | Mar 25, 2022 | May 6, 2022 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-21-000856 | Mar 26, 2021 | May 7, 2021 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-20-001182 | Apr 17, 2020 | May 29, 2020 |
| DEF 14A | OCCIDENTAL PETROLEUM CORP - DEF 14A | 0001308179-19-000072 | Mar 28, 2019 | May 10, 2019 |
| DEF 14A | OCCIDENTAL PETROLEUM CORP - DEF 14A | 0001308179-18-000070 | Mar 22, 2018 | — |
| DEF 14A | OCCIDENTAL PETROLEUM CORPORATION - DEF 14A | 0001308179-17-000065 | Mar 24, 2017 | — |
| DEF 14A | OCCIDENTAL PETROLEUM CORPORATION - DEF 14A | 0001308179-16-000248 | Mar 17, 2016 | — |
| DEF 14A | DEF 14A | 0001193125-15-103404 | Mar 24, 2015 | May 1, 2015 |
| DEF 14A | OCCIDENTAL PETROLEUM CORPORATION - DEF14A | 0001308179-14-000089 | Mar 25, 2014 | — |
| DEF 14A | DEF 14A | 0000797468-13-000018 | Mar 22, 2013 | May 3, 2013 |
| DEF 14A | — | 0000797468-12-000018 | Mar 20, 2012 | Dec 31, 2011 |
| DEF 14A | NOTICE OF ANNUAL MEETING AND PROXY STATEMENT | 0000797468-11-000028 | Mar 24, 2011 | Dec 31, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-10-000026 | Mar 23, 2010 | Dec 31, 2009 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-09-000019 | Mar 18, 2009 | Dec 31, 2008 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-08-000039 | Mar 18, 2008 | Dec 31, 2007 |
| DEF 14A | PROXY STATEMENT | 0000797468-07-000029 | Mar 22, 2007 | Dec 31, 2006 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-06-000049 | Mar 23, 2006 | Dec 31, 2005 |
| DEF 14A | PROXY STATEMENT | 0000797468-05-000044 | Mar 15, 2005 | Dec 31, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-04-000037 | Mar 15, 2004 | Dec 31, 2003 |
| DEF 14A | PROXY STATEMENT | 0000797468-03-000115 | Mar 12, 2003 | Dec 31, 2002 |
| DEF 14A | PROXY STATEMENT | 0000797468-02-000012 | Mar 19, 2002 | Dec 31, 2001 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-01-500005 | Mar 13, 2001 | Dec 31, 2000 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-00-000021 | Mar 21, 2000 | Dec 31, 1999 |
| DEF 14A | DEFENITIVE NOTICE & PROXY STATEMENT | 0000950148-99-000482 | Mar 16, 1999 | Apr 30, 1999 |
| DEF 14A | — | 0000797468-98-000021 | Mar 17, 1998 | Dec 31, 1997 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000797468-97-000012 | Mar 17, 1997 | Dec 31, 1996 |
| DEF 14A | — | 0000797468-96-000013 | Mar 12, 1996 | Dec 31, 1995 |
| DEF 14A | PROXY FOR OCCIDENTAL PETROLEUM CORPORATION | 0000797468-95-000015 | Mar 14, 1995 | Apr 28, 1995 |