Occidental Petroleum (OXY) SVP reports RSU grant and tax share disposition

Rhea-AI Filing Summary

Occidental Petroleum Senior Vice President Kenneth Dillon reported equity-based compensation and related tax withholding transactions. He acquired 27,883 shares of common stock on a grant/award basis at a price of $0.0000 per share, bringing his directly held total to 372,201 shares.

Separately, 10,131 shares were disposed of at $53.08 per share to satisfy tax withholding obligations upon vesting of previously reported restricted stock units. The new award of RSUs was granted under the Amended and Restated 2015 Long-Term Incentive Plan and will vest in three equal annual installments beginning on February 28, 2027. In addition, 20,030 shares are held indirectly through the OPC Savings Plan based on a plan statement dated February 27, 2026.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Dillon Kenneth

Role Senior Vice President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	27,883	$0.00	--
Tax Withholding	Common Stock	10,131	$53.08	$538K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 372,201 shares (Direct); Common Stock — 20,030 shares (Indirect, By OPC Savings Plan)

Footnotes (1)

1. Represents shares of common stock withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units (RSUs). 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. Based on a plan statement dated February 27, 2026.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
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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^*

Dillon Kenneth

(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)		10,131	D	$53.08	344,318	D
Common Stock	03/01/2026		A(2)		27,883	A	$0	372,201	D
Common Stock								20,030(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 Kenneth Dillon	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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transactions did Occidental Petroleum (OXY) report for Kenneth Dillon?

Occidental Petroleum reported that Senior Vice President Kenneth Dillon received a grant of 27,883 shares of common stock and had 10,131 shares withheld to cover tax obligations from vesting RSUs, reflecting routine equity compensation and related tax withholding activity.

How many Occidental Petroleum (OXY) shares does Kenneth Dillon hold after these transactions?

After these transactions, Kenneth Dillon directly holds 372,201 shares of Occidental Petroleum common stock. He also has an indirect interest in 20,030 shares through the OPC Savings Plan, based on a statement dated February 27, 2026, as disclosed in the filing.

What was the nature of the 10,131-share disposition reported for OXY’s Kenneth Dillon?

The 10,131-share disposition was a tax-withholding transaction. Shares were withheld at a price of $53.08 per share to satisfy tax obligations arising from the vesting of previously reported restricted stock units, rather than an open-market sale decision.

What RSU award did Kenneth Dillon receive from Occidental Petroleum (OXY)?

Kenneth Dillon received an award of restricted stock units under Occidental’s Amended and Restated 2015 Long-Term Incentive Plan. Each RSU represents one common share upon vesting, with the RSUs vesting in three equal annual installments starting on February 28, 2027, subject to plan terms.

How are Kenneth Dillon’s indirect Occidental Petroleum (OXY) holdings structured?

Kenneth Dillon’s indirect holdings consist of 20,030 Occidental Petroleum shares held through the OPC Savings Plan. This amount is based on a plan statement dated February 27, 2026, and is reported as indirect ownership in the Form 4 insider transaction filing.