Occidental Petroleum (NYSE: OXY) SVP reports RSU award and tax-share withholding

Rhea-AI Filing Summary

Occidental Petroleum senior vice president Robert L. Peterson reported equity compensation and related tax withholding transactions in company common stock. On March 1, 2026, he acquired 24,115 shares at $0 per share as a grant of restricted stock units (RSUs) under the Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents a contingent right to one share of common stock and will vest in three equal annual installments beginning on February 28, 2027.

On February 28, 2026, 8,988 shares at $53.08 per share were disposed of to satisfy tax withholding obligations upon vesting of previously reported RSUs, rather than through an open-market sale. Following these transactions, Peterson reported direct ownership entries of 313,199 shares and 289,084 shares of common stock in separate lines, reflecting the sequence of grant and tax withholding. He also reported 12,357 shares held indirectly through the OPC Savings Plan, based on a plan statement dated February 27, 2026.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Peterson Robert L

(Last) (First) (Middle)

OCCIDENTAL PETROLEUM CORPORATION

5 GREENWAY PLAZA, SUITE 110

(Street)

HOUSTON TX 77046

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OCCIDENTAL PETROLEUM CORP /DE/ [ OXY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior Vice President

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/28/2026		F(1)		8,988	D	$53.08	289,084	D
Common Stock	03/01/2026		A(2)		24,115	A	$0	313,199	D
Common Stock								12,357(3)	I	By OPC Savings Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of common stock withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units (RSUs).

2. 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.

3. Based on a plan statement dated February 27, 2026.

Remarks:

	/s/ Brittany A. Smith, Attorney-in-Fact for Robert L. Peterson	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did OXY executive Robert L. Peterson report in this Form 4?

Robert L. Peterson reported an equity award and related tax withholding transactions in Occidental Petroleum common stock. He received an RSU grant and had shares withheld to cover taxes on previously vesting RSUs, plus disclosed direct and indirect share holdings.

How many Occidental Petroleum (OXY) shares were granted to Robert L. Peterson?

Peterson was granted 24,115 restricted stock units, each representing a contingent right to one Occidental Petroleum common share. The RSUs were awarded under the company’s Amended and Restated 2015 Long-Term Incentive Plan at a stated price of $0 per share.

What is the vesting schedule for Robert L. Peterson’s new OXY RSUs?

The awarded RSUs vest in three equal annual installments beginning February 28, 2027. Each vesting event delivers one share of Occidental Petroleum common stock per RSU, assuming continued satisfaction of any applicable service or plan conditions described in the incentive plan.

Why were 8,988 Occidental Petroleum shares disposed of in this Form 4?

The 8,988 shares were withheld to satisfy tax withholding obligations when earlier RSUs vested, at a price of $53.08 per share. This is recorded as a disposition for tax payment, not an open-market sale initiated for investment or trading purposes.

How many OXY shares does Robert L. Peterson hold indirectly through the OPC Savings Plan?

He reported 12,357 Occidental Petroleum shares held indirectly through the OPC Savings Plan. This indirect ownership figure is based on a plan statement dated February 27, 2026, reflecting shares accumulated within that employee savings or retirement arrangement.

What is Robert L. Peterson’s reported direct ownership of OXY shares after these transactions?

The filing shows direct ownership line items of 313,199 shares following the RSU grant and 289,084 shares following the tax withholding disposition. These reflect different points in the transaction sequence rather than a single consolidated post-transaction share count.