Occidental Petroleum (OXY)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-28 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: OCCIDENTAL PETROLEUM CORP /DE/ (OXY) CIK: 0000797468 --- Reporting Owner --- Name: Hollub Vicki A. CIK: 0001588752 Role: Director, Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-28 | Code: F (Payment of exercise/tax) Shares: -33,136 | Price: $53.08 Total Value: $1,758,858.88 Shares Owned After: 1,014,608 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units (RSUs). [Transaction #2] Security: Common Stock Date: 2026-03-01 | Code: A (Grant or award) Shares: +94,198 | Price: $0.00 Shares Owned After: 1,108,806 | Ownership: D (Direct) Footnotes: [F2] Award of RSUs pursuant to the Issuer's Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs will vest in three equal annual installments beginning on February 28, 2027. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Based on a plan statement dated February 27, 2026. --- Footnotes (Complete Index) --- F1: Represents shares of common stock withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units (RSUs). F2: Award of RSUs pursuant to the Issuer's Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs will vest in three equal annual installments beginning on February 28, 2027. F3: Based on a plan statement dated February 27, 2026. --- Signature --- /s/ /s/ Brittany A. Smith, Attorney-in-Fact for Vicki A. Hollub (2026-03-03)