William R. Klesse

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Occidental Petroleum Corporation, 3 years.

3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
May 4, 2026 Occidental Petroleum Corporation Grant or award +4,149 โ€” โ€”
May 4, 2026 Occidental Petroleum Corporation Shares withheld for tax โˆ’913 $60.27 $55,027
Dec 16, 2025 Occidental Petroleum Corporation Open-market purchase +5,000 $38.98 $194,900
May 5, 2025 Occidental Petroleum Corporation Grant or award +6,442 โ€” โ€”
May 5, 2025 Occidental Petroleum Corporation Shares withheld for tax โˆ’1,418 $38.81 $55,033
Mar 31, 2025 Occidental Petroleum Corporation In-the-money exercise +25,900 $21.30 $551,670
May 3, 2024 Occidental Petroleum Corporation Grant or award +3,883 โ€” โ€”
May 3, 2024 Occidental Petroleum Corporation Shares withheld for tax โˆ’855 $64.39 $55,053
May 8, 2023 Occidental Petroleum Corporation Grant or award +3,817 โ€” โ€”
May 8, 2023 Occidental Petroleum Corporation Shares withheld for tax โˆ’840 $58.96 $49,526

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