United States Telecommunications Services

Cogent Communications Holdings Inc (CCOI)

Track

Over the past 90 days, Cogent Communications Holdings Inc. insiders have engaged in eight transactions, all of which were sales totaling approximately $466,720. Key executives, including the CFO, and directors have offloaded shares. These transactions occurred following the company's May 4 earnings report, amid a 19% decline in stock price over the same period.
Ticker: CCOI Exchange: NSM
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for Cogent Communications Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Sale 16 Jun 2026
Value US$4,720,164.34 | Price 233.46 | Shares 38,700 (-38.3%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-16 2026-06-16 S Sale
3.2
WEED THADDEUS GERARD

VICE PRESIDENT, CFO

Officer
38,700 -38.3%
233.46
US$4,720,164 		38,700 -38.3% 233.46 US$4,720,164
2026-06-16 2026-06-16 PrS Proposed sale
3.2
THADDEUS WEED

Officer

Officer
30,179
191.59
US$3,121,976 		30,179 191.59 US$3,121,976
2026-06-15 2026-06-15 S Sale
3.5
KILMER HENRY W

VP OF NETWORK STRATEGY

Officer
78,713 +16.0%
73.74
US$4,309,501 		78,713 +16.0% 73.74 US$4,309,501
2026-06-09 2026-06-09 PrS Proposed sale
3.5
KILMER HENRY W

Officer

Officer
2,400
17.55
US$42,125 		2,400 17.55 US$42,125
2026-05-28 2026-05-28 S Sale
3.1
FERGUSON Lewis H
Non-Executive Director
2,800 -11.7%
20.36
US$57,008 		2,800 -11.7% 20.36 US$57,008
2026-05-28 2026-05-28 PrS Proposed sale
3.1
Lewis H FERGUSON

Director

Non-Executive Director
2,800
20.36
US$57,008 		2,800 20.36 US$57,008
2026-05-18 2026-05-14 PrS Proposed sale
3.4
Sheryl Lynn Kennedy

Director

Non-Executive Director
3,300
16.17
US$53,367 		3,300 16.17 US$53,367
2026-05-18 2026-05-14 S Sale
3.4
Kennedy Sheryl Lynn
Non-Executive Director
3,300 -24.4%
16.22
US$53,518 		3,300 -24.4% 16.22 US$53,518
2026-03-09 2026-03-06 S Sale
3.5
KILMER HENRY W

VP OF NETWORK STRATEGY

Officer
2,400 -5.5%
23.35
US$56,040 		2,400 -5.5% 23.35 US$56,040
2026-03-05 2026-03-05 S Sale
3.1
FERGUSON Lewis H
Non-Executive Director
2,206 -9.7%
23.03
US$50,804 		2,206 -9.7% 23.03 US$50,804
2026-03-05 2026-03-05 PrS Proposed sale
3.1
Lewis H FERGUSON

Director

Non-Executive Director
2,206
23.03
US$50,800 		2,206 23.03 US$50,800
2026-03-05 2026-03-05 S Sale
3.4
Kennedy Sheryl Lynn
Non-Executive Director
3,300 -24.6%
22.99
US$75,867 		3,300 -24.6% 22.99 US$75,867
2026-03-05 2026-03-05 PrS Proposed sale
3.2
THADDEUS WEED

Officer

Officer
4,850
22.63
US$109,756 		4,850 22.63 US$109,756
2026-03-05 2026-03-05 S Sale
3.2
WEED THADDEUS GERARD

VICE PRESIDENT, CFO

Officer
4,850 -2.3%
22.63
US$109,756 		4,850 -2.3% 22.63 US$109,756
2026-03-05 2026-03-05 PrS Proposed sale
3.4
Sheryl Lynn Kennedy

Director

Non-Executive Director
3,300
22.91
US$75,600 		3,300 22.91 US$75,600
2026-03-05 2026-03-05 PrS Proposed sale
3.5
KILMER HENRY W

Officer

Officer
2,400
23.00
US$55,200 		2,400 23.00 US$55,200
2025-12-12 2025-12-11 S Sale
3.2
WEED THADDEUS GERARD

VICE PRESIDENT, CFO

Officer
7,300 -7.6%
23.99
US$175,127 		7,300 -7.6% 23.99 US$175,127
2025-12-11 2025-12-11 PrS Proposed sale
3.2
THADDEUS WEED

Officer

Officer
7,300
23.99
US$175,127 		7,300 23.99 US$175,127
2025-12-08 2025-12-08 S Sale
3.5
KILMER HENRY W

VP OF NETWORK STRATEGY

Officer
4,800 -12.4%
19.79
US$94,992 		4,800 -12.4% 19.79 US$94,992
2025-12-03 2025-12-03 PrS Proposed sale
3.5
KILMER HENRY W

Officer

Officer
4,800
19.99
US$95,952 		4,800 19.99 US$95,952
2025-12-02 2025-12-02 S Sale
3.1
FERGUSON Lewis H
Non-Executive Director
4,000 -17.2%
20.34
US$81,341 		4,000 -17.2% 20.34 US$81,341
2025-12-01 2025-12-01 PrS Proposed sale
3.0
Lewis H FERGUSON

Director

Non-Executive Director
4,000
19.50
US$78,000 		4,000 19.50 US$78,000
2025-11-12 2025-11-11 PrS Proposed sale
3.4
Sheryl Lynn Kennedy

Director

Non-Executive Director
2,400
21.25
US$51,000 		2,400 21.25 US$51,000
2025-11-12 2025-11-11 S Sale
3.4
Kennedy Sheryl Lynn
Non-Executive Director
2,400 -19.3%
21.34
US$51,221 		2,400 -19.3% 21.34 US$51,221
2025-09-05 2025-09-05 S Sale
3.5
KILMER HENRY W

VP OF NETWORK STRATEGY

Officer
2,400 -6.2%
36.99
US$88,776 		2,400 -6.2% 36.99 US$88,776
2025-09-04 2025-09-04 PrS Proposed sale
3.5
KILMER HENRY W

Officer

Officer
2,400
36.70
US$88,080 		2,400 36.70 US$88,080
2025-09-02 2025-09-02 PrS Proposed sale
3.2
THADDEUS WEED

Officer

Officer
4,900
36.98
US$181,202 		4,900 36.98 US$181,202
2025-09-02 2025-09-02 S Sale
3.2
WEED THADDEUS GERARD

VICE PRESIDENT, CFO

Officer
4,900 -5.0%
36.98
US$181,202 		4,900 -5.0% 36.98 US$181,202
2025-08-21 2025-08-21 PrS Proposed sale
3.4
Sheryl Lynn Kennedy

Director

Non-Executive Director
2,000
37.00
US$74,000 		2,000 37.00 US$74,000
2025-08-21 2025-08-21 S Sale
3.4
Kennedy Sheryl Lynn
Non-Executive Director
2,000 -16.6%
36.35
US$72,700 		2,000 -16.6% 36.35 US$72,700
2025-08-11 2025-08-08 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
818,909 -54.0%
27.50
US$22,519,998 		818,909 -54.0% 27.50 US$22,519,998
2025-08-08 2025-08-07 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
1,840,669 -54.8%
32.60
US$60,005,809 		1,840,669 -54.8% 32.60 US$60,005,809
2025-06-16 2025-06-16 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
25,000
46.98
US$1,174,500 		25,000 46.98 US$1,174,500
2025-06-16 2025-06-16 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
45,000
47.32
US$2,129,220 		45,000 47.32 US$2,129,220
2025-06-16 2025-06-16 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
25,000 -0.7%
47.05
US$1,176,368 		25,000 -0.7% 47.05 US$1,176,368
2025-06-16 2025-06-16 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
45,000 -1.3%
47.14
US$2,121,242 		45,000 -1.3% 47.14 US$2,121,242
2025-06-16 2025-06-13 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
10,000 -0.3%
47.34
US$473,362 		10,000 -0.3% 47.34 US$473,362
2025-06-16 2025-06-13 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
45,000 -1.3%
47.42
US$2,133,842 		45,000 -1.3% 47.42 US$2,133,842
2025-06-13 2025-06-13 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
10,000
48.00
US$480,000 		10,000 48.00 US$480,000
2025-06-13 2025-06-13 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
45,000
47.80
US$2,150,874 		45,000 47.80 US$2,150,874
2025-06-12 2025-06-12 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
10,000
48.19
US$481,900 		10,000 48.19 US$481,900
2025-06-12 2025-06-12 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
45,000
47.87
US$2,154,033 		45,000 47.87 US$2,154,033
2025-06-12 2025-06-12 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
10,000 -0.3%
47.83
US$478,348 		10,000 -0.3% 47.83 US$478,348
2025-06-12 2025-06-12 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
45,000 -1.3%
47.87
US$2,154,024 		45,000 -1.3% 47.87 US$2,154,024
2025-06-12 2025-06-11 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
10,000 -0.3%
48.35
US$483,511 		10,000 -0.3% 48.35 US$483,511
2025-06-12 2025-06-11 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
45,000 -1.3%
48.55
US$2,184,624 		45,000 -1.3% 48.55 US$2,184,624
2025-06-11 2025-06-11 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
10,000
48.63
US$486,300 		10,000 48.63 US$486,300
2025-06-11 2025-06-11 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
45,000
48.55
US$2,184,633 		45,000 48.55 US$2,184,633
2025-06-10 2025-06-10 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
15,000
48.96
US$734,400 		15,000 48.96 US$734,400
2025-06-10 2025-06-10 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
40,000
48.74
US$1,949,792 		40,000 48.74 US$1,949,792
2025-06-10 2025-06-10 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
15,000 -0.4%
48.63
US$729,494 		15,000 -0.4% 48.63 US$729,494
2025-06-10 2025-06-10 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
40,000 -1.1%
48.70
US$1,947,996 		40,000 -1.1% 48.70 US$1,947,996
2025-06-09 2025-06-09 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
15,000
47.84
US$717,600 		15,000 47.84 US$717,600
2025-06-09 2025-06-09 PrS Proposed sale
3.2
THADDEUS WEED

Officer

Officer
4,900
48.04
US$235,396 		4,900 48.04 US$235,396
2025-06-09 2025-06-09 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
40,000
48.51
US$1,940,476 		40,000 48.51 US$1,940,476
2025-06-09 2025-06-09 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
15,000 -0.4%
48.99
US$734,878 		15,000 -0.4% 48.99 US$734,878
2025-06-09 2025-06-09 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
40,000 -1.1%
48.51
US$1,940,468 		40,000 -1.1% 48.51 US$1,940,468
2025-06-09 2025-06-09 S Sale
3.2
WEED THADDEUS GERARD

VICE PRESIDENT, CFO

Officer
4,900 -4.8%
48.04
US$235,396 		4,900 -4.8% 48.04 US$235,396
2025-06-09 2025-06-06 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
30,000 -0.8%
47.78
US$1,433,304 		30,000 -0.8% 47.78 US$1,433,304
2025-06-09 2025-06-06 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
50,000 -1.3%
47.78
US$2,388,820 		50,000 -1.3% 47.78 US$2,388,820
2025-06-09 2025-06-06 S Sale
3.5
KILMER HENRY W

VP OF NETWORK STRATEGY

Officer
2,400 -5.9%
47.95
US$115,080 		2,400 -5.9% 47.95 US$115,080
2025-06-06 2025-06-06 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
30,000
47.41
US$1,422,300 		30,000 47.41 US$1,422,300
2025-06-06 2025-06-06 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
50,000
47.76
US$2,387,965 		50,000 47.76 US$2,387,965
2025-06-09 2025-06-05 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
35,000 -0.9%
47.31
US$1,655,784 		35,000 -0.9% 47.31 US$1,655,784
2025-06-09 2025-06-05 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
40,000 -1.0%
47.29
US$1,891,532 		40,000 -1.0% 47.29 US$1,891,532
2025-06-05 2025-06-05 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
35,000
47.59
US$1,665,650 		35,000 47.59 US$1,665,650
2025-06-05 2025-06-05 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
40,000
47.28
US$1,891,308 		40,000 47.28 US$1,891,308
2025-06-06 2025-06-04 S Sale
3.2
BUBECK JAMES

CHIEF REVENUE OFFICER

Officer
2,000 -3.5%
47.50
US$94,999 		2,000 -3.5% 47.50 US$94,999
2025-06-05 2025-06-04 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
25,000 -0.6%
47.76
US$1,193,942 		25,000 -0.6% 47.76 US$1,193,942
2025-06-05 2025-06-04 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
50,000 -1.3%
47.76
US$2,388,040 		50,000 -1.3% 47.76 US$2,388,040
2025-06-04 2025-06-04 PrS Proposed sale
3.1
David Schaeffer

Founder; CEO
25,000
47.48
US$1,187,000 		25,000 47.48 US$1,187,000
2025-06-04 2025-06-04 PrS Proposed sale
3.2
BUBECK JAMES

Officer

Officer
2,000
47.48
US$94,960 		2,000 47.48 US$94,960
2025-06-04 2025-06-04 PrS Proposed sale
3.1
SCHAEFFER DAVE

FOUNDER & CEO
50,000
47.78
US$2,388,995 		50,000 47.78 US$2,388,995
2025-06-04 2025-06-03 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
15,000 -0.4%
46.86
US$702,882 		15,000 -0.4% 46.86 US$702,882
2025-06-04 2025-06-03 S Sale
3.1
SCHAEFFER DAVE

CHAIRMAN, CEO, AND PRESIDENT

Executive Director
50,000 -1.3%
47.00
US$2,349,985 		50,000 -1.3% 47.00 US$2,349,985
Explore more

More insider trading research around Cogent Communications Holdings Inc

More insider trades in United States
Similar Telecommunications Services companies with insider activity
More Telecommunications Services companies with insider activity
More Telecommunications Services companies with insider activity
Insider trading in North America