Marc Montagner

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: Cogent Communications Holdings Inc., 3 years.

3 years · 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 30, 2026 Cogent Communications Holdings Inc. Grant or award +3,445 — —
Mar 31, 2026 Cogent Communications Holdings Inc. Grant or award +3,445 — —
Mar 6, 2026 SBA Communications Corporation Option exercise +2,072 — —
Mar 6, 2026 SBA Communications Corporation Shares withheld for tax −815 $195.69 $159,552
Mar 6, 2026 SBA Communications Corporation Option exercise +2,451 — —
Mar 6, 2026 SBA Communications Corporation Shares withheld for tax −979 $195.69 $191,539
Dec 31, 2025 Cogent Communications Holdings Inc. Grant or award +3,388 — —
Oct 17, 2025 SBA Communications Corporation Option exercise +1,588 — —
Oct 17, 2025 SBA Communications Corporation Shares withheld for tax −625 $197.42 $123,364
Sep 30, 2025 Cogent Communications Holdings Inc. Grant or award +2,395 — —
Jun 30, 2025 Cogent Communications Holdings Inc. Grant or award +1,968 — —
Mar 31, 2025 Cogent Communications Holdings Inc. Grant or award +1,352 — —
Mar 6, 2025 SBA Communications Corporation Option exercise +2,071 — —
Mar 6, 2025 SBA Communications Corporation Shares withheld for tax −815 $220.38 $179,596
Jan 1, 2025 Cogent Communications Holdings Inc. Grant or award +1,254 — —

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