Time on boards
- Boards served
- 4
- Current seats
- 4
- Board service
- 14 years
- Director since
- 2023
14 years of board service in total across 4 boards, counting each seat separately. Longest: Marathon Petroleum Corporation, 3 years.
Marathon Petroleum Corporation
Director
Linde plc
Director
Celanese Corporation
Director
Clean Harbors Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Clean Harbors Inc. May 20, 202697.2%
-
Celanese Corporation April 16, 202698.4%
-
Celanese Corporation May 14, 202597.4%
-
Celanese Corporation May 13, 202496.7%
-
Clean Harbors Inc. May 24, 202392.3%
-
Celanese Corporation April 20, 202394.9%
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 |
|---|---|---|---|---|---|
| Aug 10, 2026 | Celanese Corporation | Grant or award | +1,930 | — | — |
| May 20, 2026 | Clean Harbors Inc. | Grant or award | +652 | — | — |
| May 11, 2026 | Celanese Corporation | Grant or award | +4,676 | — | — |
| Aug 14, 2025 | Celanese Corporation | Open-market purchase | +2,400 | $41.27 | $99,048 |
| May 21, 2025 | Clean Harbors Inc. | Grant or award | +789 | — | — |
| May 9, 2025 | Celanese Corporation | Grant or award | +4,090 | — | — |
| Apr 1, 2025 | Marathon Petroleum Corporation | Grant or award | +94 | — | — |
| Jan 2, 2025 | Marathon Petroleum Corporation | Grant or award | +294 | — | — |
| Oct 1, 2024 | Marathon Petroleum Corporation | Grant or award | +251 | — | — |
| Jul 1, 2024 | Marathon Petroleum Corporation | Grant or award | +225 | — | — |
| May 22, 2024 | Clean Harbors Inc. | Grant or award | +836 | — | — |
| May 15, 2024 | Celanese Corporation | Grant or award | +1,114 | $156.96 | $174,853 |
| Apr 1, 2024 | Marathon Petroleum Corporation | Grant or award | +193 | — | — |
| Jan 2, 2024 | Marathon Petroleum Corporation | Grant or award | +258 | — | — |
| Oct 2, 2023 | Marathon Petroleum Corporation | Grant or award | +262 | — | — |
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