Over the past 12 months, 5 insiders at COGENT COMMUNICATIONS HOLDINGS, INC. filed 18 open-market SEC Form 4 transactions on CCOI: 0 purchases worth $0 and 18 sales worth $83.8M. Insiders have been net sellers over this period. The most recent filing was on Jun 16, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 16, 26 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 4.8K | $16.79 | $81K |
| Jun 15, 26 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 2.4K | $17.01 | $41K |
| May 28, 26 | Lewis H Ferguson | SELL | 2.8K | $20.36 | $57K |
| May 14, 26 | Sheryl Lynn Kennedy | SELL | 3.3K | $16.22 | $54K |
| Mar 6, 26 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 2.4K | $23.35 | $56K |
| Mar 5, 26 | Lewis H FergusonDirector | SELL | 2.2K | $23.03 | $51K |
| Mar 5, 26 | Sheryl Lynn KennedyDirector | SELL | 3.3K | $22.99 | $76K |
| Mar 5, 26 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 4.8K | $22.63 | $110K |
| Dec 11, 25 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 7.3K | $23.99 | $175K |
| Dec 8, 25 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 4.8K | $19.79 | $95K |
| Dec 2, 25 | Lewis H FergusonDirector | SELL | 4.0K | $20.34 | $81K |
| Dec 1, 25 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 2.4K | - | $0 |
| Nov 11, 25 | Sheryl Lynn KennedyDirector | SELL | 2.4K | $21.34 | $51K |
| Sep 5, 25 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 2.4K | $36.99 | $89K |
| Sep 2, 25 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 4.9K | $36.98 | $181K |
| Aug 21, 25 | Sheryl Lynn KennedyDirector | SELL | 2.0K | $36.35 | $73K |
| Aug 8, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 818.9K | $27.50 | $22.5M |
| Aug 7, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 1.84M | $32.60 | $60.0M |
| Jun 16, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 45.0K | $47.14 | $2.1M |
| Jun 13, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 45.0K | $47.42 | $2.1M |
| Jun 12, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 45.0K | $47.87 | $2.2M |
| Jun 11, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 45.0K | $48.55 | $2.2M |
| Jun 10, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 40.0K | $48.70 | $1.9M |
| Jun 9, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 40.0K | $48.99 | $1.9M |
| Jun 9, 25 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 4.9K | $48.04 | $235K |
| Jun 6, 25 | Henry W KilmerVP OF NETWORK STRATEGY | SELL | 2.4K | $47.95 | $115K |
| Jun 6, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 50.0K | $47.78 | $2.4M |
| Jun 5, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 40.0K | $47.31 | $1.9M |
| Jun 4, 25 | James BubeckCHIEF REVENUE OFFICER | SELL | 2.0K | $47.50 | $95K |
| Jun 4, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 50.0K | $47.76 | $2.4M |
| Jun 3, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 50.0K | $47.00 | $2.4M |
| Jun 2, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 50.0K | $46.38 | $2.3M |
| May 30, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 25.0K | $45.90 | $1.1M |
| May 29, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 25.0K | $46.90 | $1.2M |
| May 28, 25 | Lewis H FergusonDirector | SELL | 1.1K | $47.57 | $52K |
| May 28, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 20.0K | $47.41 | $948K |
| May 28, 25 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 100 | $47.67 | $5K |
| May 27, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 20.0K | $48.67 | $973K |
| May 23, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 25.0K | $46.93 | $1.2M |
| May 22, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 25.0K | $46.27 | $1.2M |
| May 21, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 40.0K | $46.81 | $1.9M |
| May 20, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 15.0K | $49.96 | $749K |
| May 16, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 15.0K | $51.00 | $765K |
| May 16, 25 | Thaddeus Gerard WeedVICE PRESIDENT, CFO | SELL | 100 | $50.41 | $5K |
| May 15, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 40.0K | $50.38 | $2.0M |
| May 14, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 30.0K | $50.64 | $1.5M |
| May 13, 25 | Sheryl Lynn KennedyDirector | SELL | 1.4K | $50.19 | $73K |
| May 13, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 42.6K | $50.45 | $2.2M |
| May 12, 25 | Dave SchaefferCHAIRMAN, CEO, AND PRESIDENT | SELL | 11.4K | $50.10 | $570K |
| Mar 12, 25 | Lewis H FergusonDirector | SELL | 956 | $69.37 | $66K |
Over the past 12 months, insiders at COGENT COMMUNICATIONS HOLDINGS, INC. filed 0 open-market purchases worth $0 and 18 sales worth $83.8M on CCOI, which makes them net sellers over the period. The most recent Form 4 was filed on Jun 16, 26.
5 different insiders at COGENT COMMUNICATIONS HOLDINGS, INC. filed open-market SEC Form 4 transactions on CCOI over the last 12 months.
InsiderTape plots every CCOI insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every COGENT COMMUNICATIONS HOLDINGS, INC. insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
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