SCHAEFFER DAVE

CCOI

SCHAEFFER DAVE serves as CHAIRMAN, CEO, AND PRESIDENT at Cogent Communications Holdings, Inc. (CCOI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

48 trades

$192.52M

Net Position

Net Seller

$192.52M

Companies Traded

CCOI

Active Period

May 2023 – Aug 2025

48 total trades

Most Recent

Sell CCOI

Aug 8, 2025 · $22.52M

SCHAEFFER DAVE's Insider Trading at Cogent Communications Holdings, Inc. (CCOI)

Buys

0 · $0.00

Sells

48 · $192.52M

Total Shares Bought

Total Shares Sold

4,601,769

CCOI Price Chart

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Date	Type	Shares	Avg Price	Value
Aug 8, 2025↗	Sell	818,909	$27.50	$22.52M
Aug 7, 2025↗	Sell	1,840,669	$32.60	$60.01M
Jun 16, 2025↗	Sell	70,000	$47.11	$3.30M
Jun 13, 2025↗	Sell	55,000	$47.40	$2.61M
Jun 12, 2025↗	Sell	55,000	$47.86	$2.63M
Jun 11, 2025↗	Sell	55,000	$48.51	$2.67M
Jun 10, 2025↗	Sell	55,000	$48.68	$2.68M
Jun 9, 2025↗	Sell	55,000	$48.64	$2.68M
Jun 6, 2025↗	Sell	80,000	$47.78	$3.82M
Jun 5, 2025↗	Sell	75,000	$47.30	$3.55M
Jun 4, 2025↗	Sell	75,000	$47.76	$3.58M
Jun 3, 2025↗	Sell	65,000	$46.97	$3.05M
Jun 2, 2025↗	Sell	65,000	$46.33	$3.01M
May 30, 2025↗	Sell	25,000	$45.90	$1.15M
May 29, 2025↗	Sell	25,000	$46.90	$1.17M
May 28, 2025↗	Sell	20,000	$47.41	$948.2K
May 27, 2025↗	Sell	20,000	$48.67	$973.3K
May 23, 2025↗	Sell	25,000	$46.93	$1.17M
May 22, 2025↗	Sell	25,000	$46.27	$1.16M
May 21, 2025↗	Sell	40,000	$46.81	$1.87M
May 20, 2025↗	Sell	15,000	$49.96	$749.3K
May 16, 2025↗	Sell	15,000	$51.00	$764.9K
May 15, 2025↗	Sell	40,000	$50.38	$2.02M
May 14, 2025↗	Sell	30,000	$50.64	$1.52M
May 12, 2025↗	Sell	54,000	$50.37	$2.72M
Mar 4, 2025↗	Sell	60,000	$71.77	$4.31M
Dec 16, 2024↗	Sell	20,000	$75.88	$1.52M
Nov 25, 2024↗	Sell	60,000	$83.32	$5.00M
Sep 10, 2024↗	Sell	65,000	$71.75	$4.66M
Aug 27, 2024↗	Sell	60,000	$72.82	$4.37M
Jun 14, 2024↗	Sell	60,000	$51.78	$3.11M
Jun 12, 2024↗	Sell	60,000	$54.60	$3.28M
May 13, 2024↗	Sell	50,000	$59.44	$2.97M
Mar 15, 2024↗	Sell	26,174	$64.21	$1.68M
Mar 14, 2024↗	Sell	30,000	$67.52	$2.03M
Mar 12, 2024↗	Sell	50,000	$68.12	$3.41M
Mar 11, 2024↗	Sell	35,000	$67.93	$2.38M
Mar 6, 2024↗	Sell	8,826	$72.55	$640.3K
Dec 13, 2023↗	Sell	20,000	$69.99	$1.40M
Dec 1, 2023↗	Sell	36,604	$65.18	$2.39M
Nov 30, 2023↗	Sell	3,396	$64.31	$218.4K
Nov 14, 2023↗	Sell	40,000	$66.37	$2.65M
Sep 15, 2023↗	Sell	18,191	$65.82	$1.20M
Sep 12, 2023↗	Sell	45,000	$66.87	$3.01M
Sep 8, 2023↗	Sell	45,000	$67.68	$3.05M
Jun 8, 2023↗	Sell	7,061	$62.44	$440.9K
Jun 6, 2023↗	Sell	67,939	$62.28	$4.23M
May 10, 2023↗	Sell	35,000	$65.38	$2.29M