Occidental Petroleum Corporation

OXY·NYSE·$57.46Share Price as of 11/2·$57BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202502/18/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report10/13/26 8-KCurrent report08/05/26 8-KCurrent report07/10/26 8-KCurrent report05/05/26 8-KCurrent report05/04/26

Prospectuses and Registrations

424B2Prospectus for primary offering08/07/25 424B2Prospectus for primary offering07/28/25 S-3ASRAutomatic shelf registration07/28/25 S-8Registration of securities for employees04/17/25 424B2Prospectus for primary offering03/03/25

Proxies

DEF 14ADefinitive proxy03/19/26 DEFA14AAdditional proxy materials03/19/26 DEF 14ADefinitive proxy03/20/25 DEFA14AAdditional proxy materials03/20/25 PX14A6GLetter to shareholders04/17/24

Ownership

Form 4Insider transaction10/02/26 Form 4Insider transaction09/29/26 Form 3Initial insider ownership08/04/26 Form 4Insider transaction08/04/26 SC 13GBeneficial ownership07/29/26

Other

SDConflict Minerals disclosure09/25/26 11-KEmployee stock purchase plan report06/29/26 ARSAnnual report to shareholders03/19/26 SDConflict Minerals disclosure09/26/25 11-KEmployee stock purchase plan report06/27/25