Mark J. Bolus

Sits on 1 board. Last updated September 28, 2026

Time on boards

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

4 years of board service in total across 1 board, counting each seat separately. Longest: Community Financial System Inc., 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
Jun 25, 2026 Community Financial System Inc. Open-market sale โˆ’12,191 $67.00 $816,786
Apr 14, 2025 Community Financial System Inc. Option exercise +12 โ€” โ€”
Mar 19, 2025 Community Financial System Inc. Option exercise +1,430 โ€” โ€”
Jan 15, 2025 Community Financial System Inc. Option exercise +712 โ€” โ€”
Nov 6, 2024 Community Financial System Inc. Option exercise +2,123 $38.02 $80,716
Nov 6, 2024 Community Financial System Inc. Option exercise +1,969 $35.36 $69,624
Nov 6, 2024 Community Financial System Inc. Open-market sale โˆ’2,192 $69.54 $152,432
Nov 6, 2024 Community Financial System Inc. Open-market sale โˆ’1,900 $70.66 $134,254
Feb 21, 2024 Community Financial System Inc. Option exercise +3,631 $37.77 $137,143
Feb 21, 2024 Community Financial System Inc. Open-market sale โˆ’3,631 $45.00 $163,395
Sep 21, 2023 Community Financial System Inc. Inheritance +11,211 โ€” โ€”
Mar 13, 2023 Community Financial System Inc. Option exercise +468 $29.79 $13,942
Mar 13, 2023 Community Financial System Inc. Open-market sale โˆ’468 $52.87 $24,743
Mar 1, 2023 Community Financial System Inc. Option exercise +4,163 โ€” โ€”
Mar 1, 2023 Community Financial System Inc. Open-market sale โˆ’4,163 $60.54 $252,028

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