Occidental Petroleum OXY Insider Ownership

Updated Oct 10, 2026

Over the past year, OXY insiders bought $444,753 of stock (9.77K shares) on the open market and sold none.

• By number of insiders, Occidental Petroleum saw 2 insiders buy on the open market over the past 12 months and none sell.
• Among Occidental Petroleum's insiders, Richard A. Jackson (President and CEO) was the largest open-market buyer over the past 12 months, purchasing $249,853 of stock (4.77K shares), most recently on June 23, 2026.
• In transactions other than open-market trades, Occidental Petroleum insiders received 527.21K shares in stock awards, gave up 226.27K shares to cover taxes or exercise prices and gave away 105K shares as gifts over the past 12 months.
• According to Business Quant data, insiders at Occidental Petroleum reported 268.61Mn shares in total in their latest Form 4 filings, or 26.87% of the 999.71Mn shares outstanding; that total is down 0.01% from 268.63Mn shares at the end of Q2 2026 and up 0.07% from 268.4Mn shares at the end of Q3 2025.
• Of the 268.61Mn shares held by Occidental Petroleum insiders, 3.65Mn shares (1.36%) are held directly and 264.96Mn shares (98.64%) indirectly, through trusts, partnerships, family members and other entities.
• Per Business Quant, 19 insiders of OXY hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• OXY's three largest insider shareholders, per their latest Form 4 filings, are Berkshire Hathaway Inc (10% owner, 264.94Mn shares), Vicki A. Hollub (Director, 974.84K shares) and Richard A. Jackson (President and CEO, 439.97K shares).
• Berkshire Hathaway Inc alone accounts for 98.64% of the shares held by Occidental Petroleum insiders.
• In the past year, 18 insiders of Occidental Petroleum submitted 31 Form 4 filings reporting trades, awards or other transactions.
• The insider holdings and trades above for Occidental Petroleum reflect Form 4 filings through October 2, 2026.