Marc Montagner Cogent Communications Holdings, Inc. (CCOI) insider trading activity

Marc Montagner is of COGENT COMMUNICATIONS HOLDINGS, INC.. Currently has a direct ownership of 85,201 shares of CCOI, which is worth approximately $5.25 Million. The most recent transaction as insider was on Mar 31, 2025, when has been sold 1,352 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 85.2K

1.61% 3M change

22.65% 12M change

Total Value Held $5.25 Million

Marc Montagner Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 31 2025	BUY Grant, award, or other acquisition	-	1,352 Added 1.56%	85,201 Common Stock
Jan 01 2025	BUY Grant, award, or other acquisition	-	1,254 Added 1.47%	83,849 Common Stock
Oct 01 2024	BUY Grant, award, or other acquisition	-	1,452 Added 1.73%	82,595 Common Stock
Jul 01 2024	BUY Grant, award, or other acquisition	-	1,675 Added 2.02%	81,143 Common Stock
Jun 11 2024	BUY Open market or private purchase	$526,100 $52.61 p/Share	10,000 Added 11.18%	79,468 Common Stock
Apr 01 2024	BUY Grant, award, or other acquisition	-	1,370 Added 1.93%	69,468 Common Stock
Jan 01 2024	BUY Grant, award, or other acquisition	-	1,403 Added 2.02%	68,098 Common Stock
Nov 14 2023	SELL Open market or private sale	$694,506 $65.83 p/Share	10,550 Reduced 13.66%	66,695 Common Stock
Oct 01 2023	BUY Grant, award, or other acquisition	-	1,433 Added 1.82%	77,245 Common Stock
Jul 01 2023	BUY Grant, award, or other acquisition	-	1,435 Added 1.86%	75,812 Common Stock
Apr 01 2023	BUY Grant, award, or other acquisition	-	1,456 Added 1.92%	74,377 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	-	1,709 Added 2.29%	72,921 Common Stock
Nov 09 2022	BUY Open market or private purchase	$548,800 $54.88 p/Share	10,000 Added 12.31%	71,212 Common Stock
Oct 01 2022	BUY Grant, award, or other acquisition	-	1,626 Added 2.59%	61,212 Common Stock
Jul 01 2022	BUY Grant, award, or other acquisition	-	1,524 Added 2.49%	59,586 Common Stock
Apr 01 2022	BUY Grant, award, or other acquisition	-	1,462 Added 2.46%	58,062 Common Stock
Nov 18 2021	SELL Bona fide gift	-	650 Reduced 1.14%	56,600 Common Stock
Oct 01 2021	BUY Grant, award, or other acquisition	-	1,750 Added 2.97%	57,250 Common Stock
Jul 01 2021	BUY Grant, award, or other acquisition	-	1,750 Added 3.06%	55,500 Common Stock
Apr 01 2021	BUY Grant, award, or other acquisition	-	1,750 Added 3.15%	53,750 Common Stock
Mar 04 2021	SELL Bona fide gift	-	750 Reduced 1.42%	52,000 Common Stock
Jan 01 2021	BUY Grant, award, or other acquisition	-	1,750 Added 3.21%	52,750 Common Stock
Oct 01 2020	BUY Grant, award, or other acquisition	-	1,750 Added 3.32%	51,000 Common Stock

Also insider at

EIGI

Endurance International Group Holdings, Inc.

Chief Financial Officer

CRNC

Cerence Inc. Technology

Chief Financial Officer

SBAC

SBA COMMUNICATIONS CORP Real Estate

EVP - CHIEF FINANCIAL OFFICER

Marc Montagner

Washington, DC

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