Company: OXY-WT
Filing Date: 2025-08-07
Form Type: 424B2
Source: 0001628280-25-038901
Chunk: 5

Company: OCCIDENTAL PETROLEUM CORP /DE/
Filing Date: 2025-08-07
Form: 424B2
Chunk 5
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 is www.oxy.com . Information contained on Occidental’s website does not constitute part of this prospectus supplement. Occidental’s Common Stock is traded on the NYSE, under the ticker symbol “OXY.” Additional information about Occidental is included in documents incorporated by reference in this prospectus supplement. See “Where You Can Find More Information.”

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### RISK FACTORS
Investing in our Common Stock involves risks. Before you invest in our Common Stock, you should carefully consider the following risk factors, in addition to the other information contained or incorporated by reference in this prospectus supplement and the accompanying prospectus. Specifically, please see “Risk Factors” included in our Annual Report on Form 10-K for the year ended December 31, 2024, as such risks may be updated or supplemented in our subsequently filed Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q or Current Reports on Form 8-K, and the other information in that and the other reports that we file with the SEC that are incorporated by reference in this prospectus supplement or the accompanying prospectus for a discussion of risk factors that may affect the business.

#### Risks Related to Our Common Stock

#### Our stock price may fluctuate significantly.
The market price of our Common Stock could vary significantly as a result of a number of factors, some of which are beyond our control. In the event of a drop in the market price of our Common Stock, you could lose a substantial part or all of your investment in our Common Stock. Among others, the following factors could affect our stock price:

• our business performance and prospects;

• sales of our Common Stock, or the perception that such sales may occur, by us or by our stockholders;

• quarterly variations in the rates of growth of our operating and financial indicators, such as net income (loss) per share, net income (loss) and total revenue;

• changes in our dividend policy;

• any failure to achieve near- or long-term goals we have publicly disclosed for our operating and financial performance;

• the public reaction to our press releases, our other public announcements and our filings with the SEC;

• strategic actions by our competitors, such as acquisitions, restructurings, significant contracts, joint marketing relationships, joint ventures or capital commitments;

• introduction of new products and services by us or our competitors;

• announcements related to litigation;

• our failure to meet revenue or earnings estimates made by research analysts or other investors;

•