William R Klesse Occidental Petroleum Corp (OXY) insider trading activity

William R Klesse is Director of OCCIDENTAL PETROLEUM CORP . Currently has a direct ownership of 218,913 shares of OXY, which is worth approximately $9.36 Million. The most recent transaction as insider was on Dec 16, 2025, when has been sold 5,000 shares (Common Stock) at a price of $38.98 per share, resulting in proceeds of $194,899. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 219K

2.34% 3M change

19.63% 12M change

Total Value Held $9.36 Million

WILLIAM R KLESSE Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 16 2025	BUY Open market or private purchase	$194,899 $38.98 p/Share	5,000 Added 2.23%	218,913 Common Stock
May 05 2025	SELL Payment of exercise price or tax liability	$55,032 $38.81 p/Share	1,418 Reduced 0.66%	213,913 Common Stock
May 05 2025	BUY Grant, award, or other acquisition	-	6,442 Added 2.9%	215,331 Common Stock
Mar 31 2025	BUY Exercise of in-the-money or at-the-money derivatives securities	$551,670 $21.3 p/Share	25,900 Added 11.03%	208,889 Common Stock
May 03 2024	SELL Payment of exercise price or tax liability	$55,053 $64.39 p/Share	855 Reduced 0.47%	182,989 Common Stock
May 03 2024	BUY Grant, award, or other acquisition	-	3,883 Added 2.07%	183,844 Common Stock
May 08 2023	SELL Payment of exercise price or tax liability	$49,526 $58.96 p/Share	840 Reduced 0.46%	179,961 Common Stock

May 08 2023	BUY Grant, award, or other acquisition	-	3,817 Added 2.07%	180,801 Common Stock
May 09 2022	SELL Payment of exercise price or tax liability	$49,569 $57.84 p/Share	857 Reduced 0.48%	176,984 Common Stock
May 09 2022	BUY Grant, award, or other acquisition	-	3,891 Added 2.14%	177,841 Common Stock
May 10 2021	SELL Payment of exercise price or tax liability	$44,019 $26.63 p/Share	1,653 Reduced 0.94%	173,950 Common Stock
May 10 2021	BUY Grant, award, or other acquisition	-	7,511 Added 4.1%	175,603 Common Stock

WRK

William R Klesse

Director

Houston,, TX

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells OXY shares.

Notify only if

Value

Insider Trading

Get notified when an Occidental Petroleum Corp insider buys or sells OXY shares.

Notify only if

Operation

Value

Type

News

Receive news related to OCCIDENTAL PETROLEUM CORP

Track Activities on OXY

Account