OCCIDENTAL PETROLEUM CORP /DE/ (OXY) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-01 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 --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-01 | Code: A (Grant or award) Shares: +3,183 | Price: $0.00 Shares Owned After: 1,112,004 | Ownership: D (Direct) Footnotes: [F1] Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan for non-employee director service. [F2] Includes 15 shares acquired in April 2026 through dividend reinvestment. [Transaction #2] Security: Common Stock Date: 2026-06-01 | Code: F (Payment of exercise/tax) Shares: -701 | Price: $58.92 Total Value: $41,302.92 Shares Owned After: 1,111,303 | Ownership: D (Direct) Footnotes: [F3] Represents shares of common stock withheld to satisfy tax withholding obligations. [Transaction #3] Security: Common Stock Date: 2026-06-01 | Code: F (Payment of exercise/tax) Shares: -73,477 | Price: $58.92 Total Value: $4,329,264.84 Shares Owned After: 1,037,826 | Ownership: D (Direct) Footnotes: [F4] Represents shares of common stock withheld to satisfy tax withholding obligations upon the accelerated vesting of previously reported restricted stock units in connection with the reporting person's retirement as President and CEO effective June 1, 2026. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F5] Based on a plan statement dated June 1, 2026. --- Footnotes (Complete Index) --- F1: Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan for non-employee director service. F2: Includes 15 shares acquired in April 2026 through dividend reinvestment. F3: Represents shares of common stock withheld to satisfy tax withholding obligations. F4: Represents shares of common stock withheld to satisfy tax withholding obligations upon the accelerated vesting of previously reported restricted stock units in connection with the reporting person's retirement as President and CEO effective June 1, 2026. F5: Based on a plan statement dated June 1, 2026. --- Signature --- /s/ /s/ Brittany A. Smith, Attorney-in-Fact for Vicki A. Hollub (2026-06-03)