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KLESSE WILLIAM R

SEC insider (Form 3/4/5 filer). CIK 0001019718. Director at OCCIDENTAL PETROLEUM CORP /DE/ (OXY). 6 reported Form 4/5 transactions since Sep 2024; latest on May 4, 2026. Located in HOUSTON,, TX.

Companies KLESSE WILLIAM R has filed insider reports for

  • OCCIDENTAL PETROLEUM CORP /DE/ (OXY): Director
KLESSE WILLIAM R profile photo

KLESSE WILLIAM R

CIK: 0001019718

Transaction Breakdown

Open Market Buys (P)1 (16.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)3 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

OCCIDENTAL PETROLEUM CORP /DE/ logo
OXY

OCCIDENTAL PETROLEUM CORP /DE/

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    May 4, 2026
    Award
    Direct
    4.1K shares-
  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    May 4, 2026
    Tax Payment
    Direct
    913 shares at avg. $60.27$55K
  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    Dec 16, 2025
    Purchase
    Direct
    5K shares at avg. $38.98$195K
  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    May 5, 2025
    Award
    Direct
    6.4K shares-
  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    May 5, 2025
    Tax Payment
    Direct
    1.4K shares at avg. $38.81$55K
  • OCCIDENTAL PETROLEUM CORP /DE/ logo
    OXY

    OCCIDENTAL PETROLEUM CORP /DE/

    Mar 31, 2025
    In-the-Money
    Direct
    25.9K shares at avg. $21.30$552K

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