William B. Plummer

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Waste Management Inc., 3 years.

3 years ยท Since 2023
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
Apr 26, 2024 Global Payments Inc. Grant or award +1,846 โ€” โ€”
Jan 15, 2024 Waste Management Inc. Grant or award +499 $180.29 $89,965
Jul 15, 2023 Waste Management Inc. Grant or award +536 $167.92 $90,005
Apr 28, 2023 Global Payments Inc. Grant or award +1,952 โ€” โ€”
Jan 15, 2023 Waste Management Inc. Grant or award +588 $153.06 $89,999

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