Mark A. Alexander

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: Builders FirstSource 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
Sep 1, 2024 Builders FirstSource Inc. Grant or award +179 $174.00 $31,146
Aug 16, 2024 W. P. Carey Inc. REIT Open-market purchase +2,000 $57.03 $114,060
Aug 9, 2024 W. P. Carey Inc. REIT Open-market purchase +3,500 $55.87 $195,545
Jul 1, 2024 W. P. Carey Inc. REIT Grant or award +3,203 โ€” โ€”
Jul 1, 2024 W. P. Carey Inc. REIT Grant or award +663 $54.63 $36,220
Jun 4, 2024 Builders FirstSource Inc. Grant or award +1,194 โ€” โ€”
Jun 1, 2024 Builders FirstSource Inc. Grant or award +194 $160.79 $31,193
Apr 5, 2024 W. P. Carey Inc. REIT Grant or award +655 $55.27 $36,202
Mar 1, 2024 Builders FirstSource Inc. Grant or award +156 $199.98 $31,197
Jan 5, 2024 W. P. Carey Inc. REIT Other +558 $64.85 $36,186
Dec 1, 2023 Builders FirstSource Inc. Grant or award +224 $139.28 $31,199
Sep 1, 2023 Builders FirstSource Inc. Grant or award +210 $148.74 $31,235
Jul 3, 2023 W. P. Carey Inc. REIT Grant or award +2,553 โ€” โ€”
Jun 14, 2023 Builders FirstSource Inc. Grant or award +1,446 โ€” โ€”
Jun 1, 2023 Builders FirstSource Inc. Grant or award +269 $115.86 $31,166

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