Dave Schaeffer Cogent Communications Holdings, Inc. (CCOI) insider trading activity

Dave Schaeffer is CHAIRMAN, CEO, AND PRESIDENT of COGENT COMMUNICATIONS HOLDINGS, INC.. Currently has a direct ownership of 3.36 Million shares of CCOI, which is worth approximately $178 Million. The most recent transaction as insider was on Jun 16, 2025, when has been sold 70,000 shares (Common Stock) at a price of $47.09 per share, resulting in proceeds of $3,296,300. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 3.36M

23.64% 3M change

24.28% 12M change

Total Value Held $178 Million

DAVE SCHAEFFER Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 16 2025	SELL Open market or private sale	$3,296,300 $47.09 p/Share	70,000 Reduced 2.04%	3,356,721 Common Stock
Jun 13 2025	SELL Open market or private sale	$2,605,900 $47.38 p/Share	55,000 Reduced 1.58%	3,426,721 Common Stock
Jun 12 2025	SELL Open market or private sale	$2,631,750 $47.85 p/Share	55,000 Reduced 1.56%	3,481,721 Common Stock
Jun 11 2025	SELL Open market or private sale	$2,664,750 $48.45 p/Share	55,000 Reduced 1.53%	3,536,721 Common Stock
Jun 10 2025	SELL Open market or private sale	$2,676,850 $48.67 p/Share	55,000 Reduced 1.51%	3,591,721 Common Stock
Jun 09 2025	SELL Open market or private sale	$2,681,250 $48.75 p/Share	55,000 Reduced 1.49%	3,646,721 Common Stock
Jun 06 2025	SELL Open market or private sale	$3,822,400 $47.78 p/Share	80,000 Reduced 2.12%	3,701,721 Common Stock
Jun 05 2025	SELL Open market or private sale	$3,547,500 $47.3 p/Share	75,000 Reduced 1.94%	3,781,721 Common Stock
Jun 04 2025	SELL Open market or private sale	$3,582,000 $47.76 p/Share	75,000 Reduced 1.91%	3,856,721 Common Stock
Jun 03 2025	SELL Open market or private sale	$3,050,450 $46.93 p/Share	65,000 Reduced 1.63%	3,931,721 Common Stock
Jun 02 2025	SELL Open market or private sale	$3,006,900 $46.26 p/Share	65,000 Reduced 1.6%	3,996,721 Common Stock
May 30 2025	SELL Open market or private sale	$1,147,500 $45.9 p/Share	25,000 Reduced 0.61%	4,061,721 Common Stock
May 29 2025	SELL Open market or private sale	$1,172,500 $46.9 p/Share	25,000 Reduced 0.61%	4,086,721 Common Stock
May 28 2025	SELL Open market or private sale	$948,199 $47.41 p/Share	20,000 Reduced 0.48%	4,111,721 Common Stock
May 27 2025	SELL Open market or private sale	$973,400 $48.67 p/Share	20,000 Reduced 0.48%	4,131,721 Common Stock
May 23 2025	SELL Open market or private sale	$1,173,250 $46.93 p/Share	25,000 Reduced 0.6%	4,151,721 Common Stock
May 22 2025	SELL Open market or private sale	$1,156,750 $46.27 p/Share	25,000 Reduced 0.59%	4,176,721 Common Stock
May 21 2025	SELL Open market or private sale	$1,872,400 $46.81 p/Share	40,000 Reduced 0.94%	4,201,721 Common Stock
May 20 2025	SELL Open market or private sale	$749,400 $49.96 p/Share	15,000 Reduced 0.35%	4,241,721 Common Stock
May 16 2025	SELL Open market or private sale	$764,850 $50.99 p/Share	15,000 Reduced 0.35%	4,256,721 Common Stock
May 15 2025	SELL Open market or private sale	$2,015,200 $50.38 p/Share	40,000 Reduced 0.93%	4,271,721 Common Stock
May 14 2025	SELL Open market or private sale	$1,519,200 $50.64 p/Share	30,000 Reduced 0.69%	4,311,721 Common Stock
May 13 2025	SELL Open market or private sale	$2,150,582 $50.45 p/Share	42,628 Reduced 0.97%	4,341,721 Common Stock
May 12 2025	SELL Open market or private sale	$569,737 $50.1 p/Share	11,372 Reduced 0.26%	4,384,349 Common Stock
Apr 04 2025	SELL Sale (or disposition) back to the issuer	-	48,317 Reduced 1.09%	4,395,721 Common Stock

Dave Schaeffer

CHAIRMAN, CEO, AND PRESIDENT

Washington, DC

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