Occidental (OXY) CEO Vicki Hollub granted 94,198 RSUs, with tax shares withheld

Rhea-AI Filing Summary

Occidental Petroleum President and CEO Vicki A. Hollub reported equity compensation and related tax withholding transactions in company common stock. She received a grant of 94,198 restricted stock units (RSUs), each representing one share of common stock, which will vest in three equal annual installments beginning on February 28, 2027. To cover tax obligations from previously vested RSUs, 33,136 shares were withheld and disposed of at $53.08 per share, a non‑open‑market, tax‑withholding disposition. Following these transactions, she directly owns over one million shares and also reports 26,702 shares held indirectly through the OPC Savings Plan based on a February 27, 2026 plan statement.

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^*

Hollub Vicki A.

(Last) (First) (Middle)

OCCIDENTAL PETROLEUM CORPORATION

5 GREENWAY PLAZA, STE. 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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

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)		33,136	D	$53.08	1,014,608	D
Common Stock	03/01/2026		A(2)		94,198	A	$0	1,108,806	D
Common Stock								26,702(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 Vicki A. Hollub	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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FAQ

What did OXY CEO Vicki Hollub report in this Form 4 filing?

Vicki Hollub reported equity award and tax-withholding transactions in Occidental Petroleum common stock. She received a large RSU grant and had shares withheld to satisfy tax obligations from prior RSU vesting, plus updated her indirect holdings under the OPC Savings Plan.

How many Occidental (OXY) RSUs were granted to Vicki Hollub?

Vicki Hollub was granted 94,198 restricted stock units (RSUs) under Occidental’s Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting according to the disclosed vesting schedule.

When do Vicki Hollub’s newly granted OXY RSUs vest?

The RSUs vest in three equal annual installments beginning on February 28, 2027. Each installment converts into Occidental common shares upon vesting, subject to the plan’s terms and conditions and continued eligibility at each vesting date.

Were any Occidental (OXY) shares sold on the open market in this Form 4?

The filing reports a tax-withholding disposition, not an open-market sale. 33,136 shares were withheld and disposed of at $53.08 per share to satisfy tax obligations arising from the vesting of previously reported RSUs.

What indirect Occidental (OXY) holdings does Vicki Hollub report?

Hollub reports 26,702 Occidental shares held indirectly through the OPC Savings Plan. This amount is based on a plan statement dated February 27, 2026, and reflects shares credited to her account under that employee savings arrangement.

How many Occidental (OXY) shares does Vicki Hollub hold directly after these transactions?

After the reported transactions, Hollub directly holds over one million shares of Occidental common stock. The Form 4 shows more than 1,018,000 shares directly owned, reflecting the combined effect of the RSU grant and tax-withholding disposition.