What is Jeff F. Simmons' direct share ownership in Occidental after these transactions?

After the February 28, 2026 tax-withholding disposition, Jeff F. Simmons directly held 308,611 shares. Following the March 1, 2026 RSU grant, his direct holdings increased to 332,726 shares of Occidental common stock, reflecting the additional equity award credited to him.

Occidental SVP gets RSU grant, shares withheld for tax

Occidental Petroleum senior vice president Jeff F. Simmons reported equity compensation activity and related tax withholding.

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Rhea-AI Filing Summary

Occidental Petroleum senior vice president Jeff F. Simmons reported equity compensation activity and related tax withholding. On March 1, 2026, he acquired 24,115 shares of common stock through a grant of restricted stock units at $0.0000 per share, increasing his direct holdings to 332,726 shares. The award was made under Occidental’s Amended and Restated 2015 Long-Term Incentive Plan and will vest in three equal annual installments beginning on February 28, 2027. On February 28, 2026, 9,436 shares at $53.08 per share were disposed of to satisfy tax withholding obligations upon the vesting of previously reported RSUs, leaving 308,611 directly held shares after that transaction. He also indirectly held 4,891 shares through the OPC Savings Plan based on a statement dated February 27, 2026.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Simmons Jeff F

Role Senior Vice President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	24,115	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	9,436	$53.08	$501K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 332,726 shares (Direct); Common Stock — 4,891 shares (Indirect, By OPC Savings Plan)

Footnotes (3)

F1. Represents shares of common stock withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units (RSUs).
F2. 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.
F3. Based on a plan statement dated February 27, 2026.

FAQ

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What equity award did OXY executive Jeff F. Simmons receive?

Jeff F. Simmons received a grant of 24,115 restricted stock units, each representing one share of Occidental common stock upon vesting. The award was issued under the Amended and Restated 2015 Long-Term Incentive Plan at no cash cost per share.

How will Jeff F. Simmons' new RSU grant at OXY vest over time?

The 24,115 restricted stock units granted to Jeff F. Simmons will vest in three equal annual installments. Vesting begins on February 28, 2027, meaning one-third of the RSUs converts into common shares each year over a three-year period.

Why were 9,436 Occidental (OXY) shares disposed of for Jeff F. Simmons?

The 9,436 shares were withheld and disposed of at $53.08 per share to satisfy tax withholding obligations. These obligations arose when previously reported restricted stock units vested, so this disposition was a tax-related, non-open-market transaction rather than a discretionary sale.

Does Jeff F. Simmons hold Occidental (OXY) shares indirectly through a plan?

Yes. In addition to directly held shares, Jeff F. Simmons indirectly held 4,891 shares of Occidental common stock through the OPC Savings Plan. This indirect balance is based on a plan statement dated February 27, 2026, as referenced in the filing footnotes.

What plan governs Jeff F. Simmons' new RSU award at Occidental Petroleum?

The restricted stock unit award to Jeff F. Simmons was granted under Occidental’s Amended and Restated 2015 Long-Term Incentive Plan. This plan provides equity-based compensation, and each RSU represents a contingent right to receive one share of common stock upon vesting.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/03/2026 - 08:10 PM EST

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^*

Simmons Jeff F

(Last)

(First)

(Middle)

OCCIDENTAL PETROLEUM CORPORATION

5 GREENWAY PLAZA, STE 110

(Street)

HOUSTON

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/28/2026		F⁽¹⁾		9,436	D	$53.08	308,611	D
Common Stock	03/01/2026		A⁽²⁾		24,115	A	$0	332,726	D
Common Stock								4,891⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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:

Exhibit List Exhibit 24 - Power of Attorney

	/s/ Brittany A. Smith, Attorney-in-Fact for Jeff F. Simmons	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.
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.

Source: View Original Filing on SEC EDGAR