secwatch / observer
OXY OCCIDENTAL PETROLEUM CORP /DE/
CIK 0000797468 50 ready 8-Ks latest August 5, 2026, 4:16 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (2)
Ready 8-Ks 50
Latest filing August 5, 2026, 4:16 PM ET
Top materiality 0.95
Event mix earnings ×21 · other_material ×9 · debt ×7
Sentiment 10 pos · 4 neg · 36 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for OXY

Executive changes

Appointed

Richard A. Jackson

President and Chief Executive Officer
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2026-06-01
Filed
May 4, 2026, 7:59 PM ET
On April 30, 2026, as part of its management succession planning, the Board unanimously approved the appointment of Richard A. Jackson, 50, as Occidental’s President and CEO and as a member of the Board, in each case effective as of the Transition Date.
Departed

Vicki Hollub

President and Chief Executive Officer
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2026-06-01
Successor
Richard A. Jackson
Filed
May 4, 2026, 7:59 PM ET
On April 30, 2026, Vicki Hollub, President and Chief Executive Officer (“CEO”) of Occidental Petroleum Corporation (“Occidental”), informed the Board of Directors of Occidental (the “Board”) of her decision to retire, effective as of June 1, 2026 (the “Transition Date”).
Appointed

Sunil Mathew

Senior Vice President and Chief Financial Officer
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-08-09
Filed
August 9, 2023, 7:59 PM ET
Sunil Mathew, 53, was appointed Senior Vice President and Chief Financial Officer of the Company effective as of August 9, 2023.
Role change

Robert Peterson

Executive Vice President, Essential Chemistry
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-08-09
Successor
Sunil Mathew
Filed
August 9, 2023, 7:59 PM ET
On August 9, 2023, Robert Peterson, 52, was appointed Executive Vice President, Essential Chemistry, of Occidental Chemical Corporation (“OxyChem”).
Appointed

Ken Robinson

Director
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-02-16
Filed
February 22, 2023, 6:59 PM ET
On February 16, 2023, the Board of Directors (the “Board”) of Occidental Petroleum Corporation (“Occidental”) increased the size of the Board from nine to ten directors in order to elect Ken Robinson to the Board, effective immediately.
Appointed

Claire O'Neill

Director
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-01-17
Filed
January 20, 2023, 6:59 PM ET
On January 17, 2023, the Board of Directors (the “Board”) of Occidental Petroleum Corporation (“Occidental”) increased the size of the Board from eight to nine directors in order to elect Claire O’Neill, the former Managing Director for Climate and Energy of the World Business Council for Sustainable Development (WBCSD) and a former member of UK Parliament, to the Board effective as of January 17, 2023.
Role change

Marcia E. Backus

Executive Adviser – Legal
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-01-01
Filed
September 30, 2022, 7:59 PM ET
On September 29, 2022, Marcia E. Backus announced that she will step down from her role as Senior Vice President, General Counsel and Chief Compliance Officer of Occidental Petroleum Corporation (“Occidental” or the “Company”) effective as of December 31, 2022. Thereafter, Ms. Backus will continue to serve as Occidental’s Executive Adviser – Legal and will retire from employment with the Company effective as of March 1, 2023.
Departed

Marcia E. Backus

Executive Adviser – Legal
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2023-03-01
Filed
September 30, 2022, 7:59 PM ET
Thereafter, Ms. Backus will continue to serve as Occidental’s Executive Adviser – Legal and will retire from employment with the Company effective as of March 1, 2023.
Appointed

Vicky A. Bailey

Director
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2022-03-22
Filed
March 23, 2022, 7:59 PM ET
On March 17, 2022, the Board of Directors (the “Board”) of Occidental Petroleum Corporation (“Occidental”) increased the size of the Board from nine to ten directors in order to elect Vicky A. Bailey, the President of Anderson Stratton International, LLC (“ASI”) and a former equity partner of BHMM Energy Services, LLC, to the Board effective as of March 22, 2022.
Departed

Gary Hu

Director
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2022-03-04
Filed
March 7, 2022, 6:59 PM ET
On March 4, 2022, Andrew Langham and Gary Hu each notified Occidental Petroleum Corporation (the “ Company ”) that he was resigning from the Board of Directors of the Company (the “ Board ”) and all committees of the Board on which he sits, effective immediately.
Departed

Andrew Langham

Director
OXY · OCCIDENTAL PETROLEUM CORP /DE/
Effective
2022-03-04
Filed
March 7, 2022, 6:59 PM ET
On March 4, 2022, Andrew Langham and Gary Hu each notified Occidental Petroleum Corporation (the “ Company ”) that he was resigning from the Board of Directors of the Company (the “ Board ”) and all committees of the Board on which he sits, effective immediately.

Earnings & guidance

2026-Q1 EPS reported $3.13 filing →

Materiality & sentiment trend

Max materiality 0.95 · Median 0.60 · Most common event earnings

10 positive 4 negative 36 neutral

source · OXY on sec.gov