COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Latest Insider Confidence Score

2026Q1

43.4
Bearish

Company insider confidence (by quarter)

2017Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Schaeffer Dave CEO 697,143 Aug 11, 2025
Weed Thaddeus Gerard CFO 95,500 Dec 3, 2025
Montagner Marc Director 89,564 Oct 1, 2025
Liebhaber Richard Director 67,845 Oct 2, 2019
Kummer Raymond B CTO; VP Optical Transport 60,000 Jan 4, 2023

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 5, 2026 Mar 5, 2026 FERGUSON Lewis H Director Sell 22.5 -2,206 -9.74% $50.8K
Mar 5, 2026 Mar 5, 2026 Kennedy Sheryl Lynn Director Sell 22.5 -3,300 -24.63% $75.9K
Mar 5, 2026 Mar 5, 2026 WEED THADDEUS GERARD CFO Sell 22.5 -4,850 -2.34% $109.8K
Dec 31, 2025 Jan 5, 2026 SCHAEFFER DAVE CEO Neutral 90.0 +229,657 32.94% -
Dec 31, 2025 Jan 5, 2026 Montagner Marc Director Neutral 82.5 +3,388 3.78% -
Dec 31, 2025 Jan 5, 2026 Kennedy Sheryl Lynn Director Neutral 90.0 +3,388 33.84% -
Dec 31, 2025 Jan 5, 2026 Howell Deneen C Director Neutral 90.0 +3,388 15.36% -
Dec 31, 2025 Jan 5, 2026 Howard Eve N Director Neutral 90.0 +3,388 19.90% -
Dec 31, 2025 Jan 5, 2026 FERGUSON Lewis H Director Neutral 90.0 +3,388 17.58% -
Dec 31, 2025 Jan 5, 2026 de Sa Paul Director Neutral 90.0 +3,388 14.41% -
Dec 31, 2025 Jan 5, 2026 BROOKS STEVEN D Director Neutral 85.0 +3,388 7.00% -
Dec 31, 2025 Jan 5, 2026 WEED THADDEUS GERARD CFO Neutral 90.0 +119,400 135.37% -
Dec 31, 2025 Jan 5, 2026 KILMER HENRY W VP OF NETWORK STRATEGY Neutral 90.0 +9,600 28.40% -
Dec 31, 2025 Jan 5, 2026 Harris Mark Andrew VP & Chief Revenue Officer Neutral 90.0 +105,000 2031.73% -
Dec 31, 2025 Jan 5, 2026 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 90.0 +109,600 135.11% -
Dec 11, 2025 Dec 12, 2025 WEED THADDEUS GERARD CFO Sell 22.5 -7,300 -7.64% $175.1K
Dec 8, 2025 Dec 8, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Sell 22.5 -4,800 -12.44% $95K
Dec 1, 2025 Dec 3, 2025 WEED THADDEUS GERARD CFO Neutral 82.5 +2,400 2.58% -
Dec 2, 2025 Dec 2, 2025 FERGUSON Lewis H Director Sell 22.5 -4,000 -17.19% $81.3K
Dec 1, 2025 Dec 2, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 82.5 +2,400 3.00% -
Dec 1, 2025 Dec 2, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Neutral 85.0 +2,400 6.63% -
Nov 11, 2025 Nov 12, 2025 Kennedy Sheryl Lynn Director Sell 22.5 -2,400 -19.34% $51.2K
Sep 30, 2025 Oct 2, 2025 FERGUSON Lewis H Director Neutral 90.0 +2,395 11.47% -
Sep 30, 2025 Oct 2, 2025 de Sa Paul Director Neutral 90.0 +2,395 11.34% -
Sep 30, 2025 Oct 1, 2025 Howell Deneen C Director Neutral 90.0 +2,395 12.18% -
Sep 30, 2025 Oct 1, 2025 BROOKS STEVEN D Director Neutral 85.0 +2,395 5.20% -
Sep 30, 2025 Oct 1, 2025 Howard Eve N Director Neutral 90.0 +2,395 16.37% -
Sep 30, 2025 Oct 1, 2025 Kennedy Sheryl Lynn Director Neutral 90.0 +2,395 23.91% -
Sep 30, 2025 Oct 1, 2025 Montagner Marc Director Neutral 82.5 +2,395 2.75% -
Sep 5, 2025 Sep 5, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Sell 22.5 -2,400 -6.22% $88.8K
Sep 2, 2025 Sep 3, 2025 Harris Mark Andrew VP & Chief Revenue Officer Neutral 90.0 +668 14.84% -
Sep 3, 2025 Harris Mark Andrew VP & Chief Revenue Officer Neutral 52.5 - 0.00% -
Sep 2, 2025 Sep 2, 2025 WEED THADDEUS GERARD CFO Sell 22.5 -4,900 -5.00% $181.2K
Aug 21, 2025 Aug 21, 2025 Kennedy Sheryl Lynn Director Sell 22.5 -2,000 -16.64% $72.7K
Aug 8, 2025 Aug 11, 2025 SCHAEFFER DAVE CEO Sell 15.0 -818,909 -54.02% $22.5M
Aug 7, 2025 Aug 8, 2025 SCHAEFFER DAVE CEO Sell 15.0 -1,840,669 -54.84% $60M
Jun 30, 2025 Jul 1, 2025 Howard Eve N Director Neutral 90.0 +1,968 15.54% -
Jun 30, 2025 Jul 1, 2025 BROOKS STEVEN D Director Neutral 82.5 +1,968 4.47% -
Jun 30, 2025 Jul 1, 2025 Montagner Marc Director Neutral 77.5 +1,968 2.31% -
Jun 30, 2025 Jul 1, 2025 Kennedy Sheryl Lynn Director Neutral 90.0 +1,968 19.58% -
Jun 30, 2025 Jul 1, 2025 Howell Deneen C Director Neutral 90.0 +1,968 11.13% -
Jun 30, 2025 Jul 1, 2025 FERGUSON Lewis H Director Neutral 90.0 +1,968 10.41% -
Jun 30, 2025 Jul 1, 2025 de Sa Paul Director Neutral 90.0 +1,968 10.28% -
Jun 16, 2025 Jun 16, 2025 SCHAEFFER DAVE CEO Sell 17.5 -70,000 -2.04% $3.3M
Jun 13, 2025 Jun 16, 2025 SCHAEFFER DAVE CEO Sell 17.5 -55,000 -1.58% $2.6M
Jun 12, 2025 Jun 12, 2025 SCHAEFFER DAVE CEO Sell 17.5 -55,000 -1.56% $2.6M
Jun 11, 2025 Jun 12, 2025 SCHAEFFER DAVE CEO Sell 17.5 -55,000 -1.53% $2.7M
Jun 10, 2025 Jun 10, 2025 SCHAEFFER DAVE CEO Sell 17.5 -55,000 -1.51% $2.7M
Jun 9, 2025 Jun 9, 2025 SCHAEFFER DAVE CEO Sell 17.5 -55,000 -1.49% $2.7M
Jun 9, 2025 Jun 9, 2025 WEED THADDEUS GERARD CFO Sell 22.5 -4,900 -4.76% $235.4K
Jun 6, 2025 Jun 9, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Sell 22.5 -2,400 -5.85% $115.1K
Jun 6, 2025 Jun 9, 2025 SCHAEFFER DAVE CEO Sell 17.5 -80,000 -2.12% $3.8M
Dec 1, 2024 Jun 9, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Neutral 85.0 +2,400 6.63% -
Jun 5, 2025 Jun 9, 2025 SCHAEFFER DAVE CEO Sell 17.5 -75,000 -1.94% $3.5M
Jun 4, 2025 Jun 6, 2025 BUBECK JAMES CHIEF REVENUE OFFICER Sell 22.5 -2,000 -3.50% $95K
Jun 4, 2025 Jun 5, 2025 SCHAEFFER DAVE CEO Sell 17.5 -75,000 -1.91% $3.6M
Jun 3, 2025 Jun 4, 2025 SCHAEFFER DAVE CEO Sell 17.5 -65,000 -1.63% $3.1M
Jun 2, 2025 Jun 3, 2025 SCHAEFFER DAVE CEO Sell 17.5 -65,000 -1.60% $3M
Jun 2, 2025 Jun 3, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 45.0 -398 -0.50% -
May 30, 2025 Jun 2, 2025 SCHAEFFER DAVE CEO Sell 27.5 -25,000 -0.61% $1.1M
May 29, 2025 May 30, 2025 SCHAEFFER DAVE CEO Sell 27.5 -25,000 -0.61% $1.2M
May 28, 2025 May 29, 2025 SCHAEFFER DAVE CEO Sell 37.5 -20,000 -0.48% $948.2K
May 28, 2025 May 29, 2025 WEED THADDEUS GERARD CFO Sell 52.5 -100 -0.10% $4.8K
May 28, 2025 May 29, 2025 FERGUSON Lewis H Director Sell 22.5 -1,100 -5.50% $52.3K
May 27, 2025 May 28, 2025 SCHAEFFER DAVE CEO Sell 37.5 -20,000 -0.48% $973.3K
May 23, 2025 May 27, 2025 SCHAEFFER DAVE CEO Sell 27.5 -25,000 -0.60% $1.2M
May 22, 2025 May 23, 2025 SCHAEFFER DAVE CEO Sell 27.5 -25,000 -0.59% $1.2M
May 21, 2025 May 22, 2025 SCHAEFFER DAVE CEO Sell 27.5 -40,000 -0.94% $1.9M
May 20, 2025 May 21, 2025 SCHAEFFER DAVE CEO Sell 37.5 -15,000 -0.35% $749.3K
May 16, 2025 May 19, 2025 SCHAEFFER DAVE CEO Sell 37.5 -15,000 -0.35% $764.9K
May 16, 2025 May 19, 2025 WEED THADDEUS GERARD CFO Neutral 52.5 - 0.00% -
May 16, 2025 May 16, 2025 WEED THADDEUS GERARD CFO Sell 52.5 -100 -0.10% $5K
May 15, 2025 May 16, 2025 SCHAEFFER DAVE CEO Sell 27.5 -40,000 -0.93% $2M
May 13, 2025 May 15, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 45.0 -252 -0.31% -
May 14, 2025 May 15, 2025 SCHAEFFER DAVE CEO Sell 27.5 -30,000 -0.69% $1.5M
May 12, 2025 May 14, 2025 SCHAEFFER DAVE CEO Sell 17.5 -54,000 -1.23% $2.7M
May 13, 2025 May 13, 2025 Kennedy Sheryl Lynn Director Sell 22.5 -1,450 -12.61% $72.8K
Apr 10, 2025 Apr 11, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 45.0 -357 -0.44% -
Apr 4, 2025 Apr 4, 2025 SCHAEFFER DAVE CEO Neutral 27.5 -48,317 -1.09% -
Mar 31, 2025 Apr 1, 2025 Howell Deneen C Director Neutral 85.0 +1,352 8.28% -
Mar 31, 2025 Mar 31, 2025 Montagner Marc Director Neutral 77.5 +1,352 1.61% -
Mar 31, 2025 Mar 31, 2025 Kennedy Sheryl Lynn Director Neutral 90.0 +1,352 13.32% -
Mar 31, 2025 Mar 31, 2025 Howard Eve N Director Neutral 90.0 +1,352 11.95% -
Mar 31, 2025 Mar 31, 2025 FERGUSON Lewis H Director Neutral 85.0 +1,352 7.25% -
Mar 31, 2025 Mar 31, 2025 de Sa Paul Director Neutral 85.0 +1,352 7.60% -
Mar 31, 2025 Mar 31, 2025 BROOKS STEVEN D Director Neutral 82.5 +1,352 3.17% -
Mar 31, 2025 Mar 31, 2025 Bath Blake Director Neutral 90.0 +1,352 12.01% -
Mar 12, 2025 Mar 13, 2025 FERGUSON Lewis H Director Sell 22.5 -956 -4.88% $66.3K
Mar 10, 2025 Mar 12, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 45.0 -357 -0.44% -
Mar 7, 2025 Mar 10, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Sell 22.5 -2,400 -5.53% $174.2K
Mar 5, 2025 Mar 7, 2025 Chang John B. VP & CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% -
Mar 4, 2025 Mar 5, 2025 SCHAEFFER DAVE CEO Sell 17.5 -60,000 -1.33% $4.3M
Mar 4, 2025 Mar 5, 2025 BUBECK JAMES CHIEF REVENUE OFFICER Sell 22.5 -2,000 -3.38% $143.3K
Mar 3, 2025 Mar 4, 2025 WEED THADDEUS GERARD CFO Sell 20.0 -4,900 -4.54% $353.1K
Mar 3, 2025 Mar 3, 2025 Kennedy Sheryl Lynn Director Sell 22.5 -1,425 -12.31% $104K
Jan 21, 2025 Jan 22, 2025 BROOKS STEVEN D Director Neutral 37.5 -299 -0.70% -
Jan 14, 2025 Jan 15, 2025 SCHAEFFER DAVE CEO Neutral 82.5 +180,000 4.16% -
Jan 9, 2025 Jan 13, 2025 KILMER HENRY W VP OF NETWORK STRATEGY Neutral 90.0 +9,600 28.40% -
Jan 9, 2025 Jan 13, 2025 BUBECK JAMES CHIEF REVENUE OFFICER Neutral 90.0 +9,600 19.38% -
Jan 9, 2025 Jan 13, 2025 WEED THADDEUS GERARD CFO Neutral 90.0 +19,400 21.92% -