Montagner Marc - Insider Non-Derivative Transactions at COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Sep 30, 2025, Montagner Marc's relationship to COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) is Director, and currently has 89,564 shares of common stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CCOI insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Montagner Marc - Insider Non-Derivative Transactions of CCOI common stock

Montagner Marc - Insider Non-Derivative Transactions at CCOI

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 1, 2025	Acquisition -- (common stock)	2395	0	89564
Jul 1, 2025	Acquisition -- (common stock)	1968	0	87169
Apr 1, 2025	Acquisition -- (common stock)	1352	0	85201
Jan 2, 2025	Acquisition -- (common stock)	1254	0	83849
Oct 2, 2024	Acquisition -- (common stock)	1452	0	82595
Jul 2, 2024	Acquisition -- (common stock)	1675	0	81143
Jun 12, 2024	P -- (common stock)	10000	52.61	79468
Apr 2, 2024	Acquisition -- (common stock)	1370	0	69468
Jan 2, 2024	Acquisition -- (common stock)	1403	0	68098
Nov 15, 2023	Sell -- (common stock)	10550	65.83	66695
Oct 2, 2023	Acquisition -- (common stock)	1433	0	77245
Jul 2, 2023	Acquisition -- (common stock)	1435	0	75812
Apr 2, 2023	Acquisition -- (common stock)	1456	0	74377
Jan 4, 2023	Acquisition -- (common stock)	1709	0	72921