Key facts
- This page summarizes William R. Klesse's Form 4 filing for OCCIDENTAL PETROLEUM CORP /DE/ (OXY).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 06 May 2026, 19:04.
William R. Klesse - 04 May 2026 Form 4 Insider Report for OCCIDENTAL PETROLEUM CORP /DE/ (OXY)
- Reporting relationship
- Director
- Issuer ticker
- OXY
- Reported as of
- 04 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 06 May 2026, 19:04:18 UTC
- Prior SEC filing
- 17 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brittany A. Smith, Attorney-in-Fact for William R. Klesse
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William R. Klesse filed Form 4 for OCCIDENTAL PETROLEUM CORP /DE/ (OXY) on 06 May 2026.
Change
- Previous filing in this sequence was filed on 17 Dec 2025.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001019718
Primary reporting owner
KLESSE WILLIAM R
- Relationship
- Director
- Address
- OCCIDENTAL PETROLEUM CORPORATION, 5 GREENWAY PLAZA, STE. 110, HOUSTON,
- Signature
- /s/ Brittany A. Smith, Attorney-in-Fact for William R. Klesse
- Signature date
- 06 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OXY
transaction
Common Stock
Award
- Transaction value
- Shares
- +4,149
- Change %
- +1.9%
- Price
- $0.000000*
- Shares after
- 223,062
- Date
- 04 May 2026
- Ownership
- Direct
- Footnotes
- F1
OXY
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -913
- Change %
- -0.41%
- Price
- $60.27*
- Shares after
- 222,149
- Date
- 04 May 2026
- Ownership
- Direct
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Award of common stock under Occidental Petroleum Corporation's Amended and Restated 2015 Long-Term Incentive Plan.
Footnote F2
Represents shares of common stock withheld to satisfy tax withholding obligations.