Michael J. Quillen

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: Martin Marietta Materials 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
May 9, 2024 Martin Marietta Materials Inc. Gift โˆ’1,671 โ€” โ€”
Feb 29, 2024 Martin Marietta Materials Inc. Grant or award +30 $577.71 $17,331
Nov 30, 2023 Martin Marietta Materials Inc. Grant or award +37 $464.59 $17,190
Aug 31, 2023 Martin Marietta Materials Inc. Grant or award +38 $446.41 $16,964
May 31, 2023 Martin Marietta Materials Inc. Grant or award +43 $398.04 $17,116
May 11, 2023 Martin Marietta Materials Inc. Grant or award +362 $400.57 $145,006
May 3, 2023 Alpha Metallurgical Resources Inc. Grant or award +812 โ€” โ€”
Feb 28, 2023 Martin Marietta Materials Inc. Grant or award +47 $359.87 $16,914

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