Occidental (NYSE: OXY) director awarded shares; portion withheld for taxes

Rhea-AI Filing Summary

Occidental Petroleum director William R. Klesse reported routine equity compensation rather than open‑market trading. He received 4,149 shares of Occidental common stock as an award under the company’s Amended and Restated 2015 Long-Term Incentive Plan. To cover tax withholding obligations, 913 shares were automatically withheld and not sold in the market. After these transactions, Klesse directly holds 223,062 shares of Occidental common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider KLESSE WILLIAM R

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,149	$0.00	--
Tax Withholding	Common Stock	913	$60.27	$55K

Holdings After Transaction: Common Stock — 223,062 shares (Direct, null)

Footnotes (1)

1. Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan. Represents shares of common stock withheld to satisfy tax withholding obligations.

Key Figures

Stock award: 4,149 shares Shares withheld for taxes: 913 shares Holding after award: 223,062 shares +1 more

4 metrics

Stock award 4,149 shares Common stock granted under 2015 Long-Term Incentive Plan

Shares withheld for taxes 913 shares Common stock withheld to satisfy tax withholding obligations

Holding after award 223,062 shares Common stock directly owned after transactions

Withholding reference price $60.27 per share Price per share used for 913-share tax-withholding disposition

Key Terms

Form 4, tax withholding obligations, Amended and Restated 2015 Long-Term Incentive Plan, grant/award acquisition

4 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

tax withholding obligations financial

"Represents shares of common stock withheld to satisfy tax withholding obligations."

Amended and Restated 2015 Long-Term Incentive Plan financial

"Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan."

grant/award acquisition financial

"transaction_action": "grant/award acquisition""

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
Estimated average burden
hours per response:			0.5

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^*

KLESSE WILLIAM R

(Last) (First) (Middle)

OCCIDENTAL PETROLEUM CORPORATION

5 GREENWAY PLAZA, STE. 110

(Street)

HOUSTON, TEXAS 77046

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2026

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

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

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

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	05/04/2026		A(1)		4,149	A	$0	223,062	D
Common Stock	05/04/2026		F(2)		913	D	$60.27	222,149	D

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. Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan.

2. Represents shares of common stock withheld to satisfy tax withholding obligations.

Remarks:

	/s/ Brittany A. Smith, Attorney-in-Fact for William R. Klesse	05/06/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Occidental Petroleum (OXY) director William R. Klesse report on this Form 4?

William R. Klesse reported a routine equity compensation transaction. He received 4,149 shares of Occidental common stock as a stock award, with 913 shares withheld to satisfy tax obligations, resulting in direct ownership of 223,062 shares after the transactions.

Did Occidental Petroleum (OXY) director Klesse buy or sell shares in the open market?

The filing does not show any open-market buying or selling. It reports a stock award of 4,149 shares and 913 shares withheld for taxes, which is an administrative tax-withholding disposition rather than a discretionary sale into the market.

How many Occidental Petroleum (OXY) shares were awarded to director Klesse?

Klesse was awarded 4,149 shares of Occidental common stock. The award was made under Occidental Petroleum Corporation’s Amended and Restated 2015 Long-Term Incentive Plan, reflecting standard director compensation in equity rather than a market purchase.

Why were some Occidental Petroleum (OXY) shares withheld from Klesse in this Form 4?

Out of the awarded shares, 913 were withheld to satisfy tax withholding obligations. This means shares were retained by the company for tax purposes, rather than being sold by Klesse into the open market for investment or trading reasons.

How many Occidental Petroleum (OXY) shares does Klesse own after these transactions?

Following the award and tax withholding, Klesse directly owns 223,062 shares of Occidental common stock. This figure reflects his updated direct holdings after receiving 4,149 shares and having 913 of those withheld to meet associated tax liabilities.