Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2023-09-15 Sale | 2023-09-18 4:51 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 18,191 | $65.82 | $1,197,364 | 4,840,590 (Direct) | View |
2023-09-12 Sale | 2023-09-14 09:53 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 45,000 | $66.87 | $3,009,039 | 4,858,781 (Direct) | View |
2023-09-08 Sale | 2023-09-12 1:24 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 45,000 | $67.68 | $3,045,470 | 4,903,781 (Direct) | View |
2023-09-07 Sale | 2023-09-08 12:57 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY | 2,400 | $69.16 | $165,984 | 31,200 (Direct) | View |
2023-09-05 Sale | 2023-09-05 2:33 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO | 4,850 | $69.43 | $336,736 | 53,550 (Direct) | View |
2023-09-01 Sale | 2023-09-05 12:57 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER | 1,920 | $70.96 | $136,242 | 38,582 (Direct) | View |
2023-08-29 Sale | 2023-08-29 3:12 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director | 650 | $69.64 | $45,266 | 16,367 (Direct) | View |
2023-08-24 Sale | 2023-08-25 12:01 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director | 550 | $68.85 | $37,865 | 8,450 (Direct) | View |
2023-08-10 Sale | 2023-08-14 4:15 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kapp David Allen VP & CHIEF TECHNICAL OFFICER | 9,000 | $66.99 | $602,898 | 6,600 (Direct) | View |
2023-06-14 Sale | 2023-06-16 3:57 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director | 4,202 | $65 | $273,130 | 33,277 (Direct) | View |
2023-06-08 Sale | 2023-06-08 5:57 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 7,061 | $62.44 | $440,878 | 4,948,781 (Direct) | View |
2023-06-06 Sale | 2023-06-08 4:27 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 67,939 | $62.28 | $4,231,373 | 4,955,842 (Direct) | View |
2023-06-06 Sale | 2023-06-07 4:42 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF IP ENGINEERING | 2,400 | $62.23 | $149,352 | 33,600 (Direct) | View |
2023-06-05 Sale | 2023-06-05 4:28 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO | 4,850 | $62.28 | $302,035 | 58,400 (Direct) | View |
2023-06-01 Sale | 2023-06-02 2:19 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER | 1,920 | $61.07 | $117,250 | 40,502 (Direct) | View |
2023-05-30 Sale | 2023-06-01 2:14 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director | 1,100 | $63.14 | $69,451 | 7,565 (Direct) | View |
2023-05-30 Sale | 2023-05-31 2:19 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director | 640 | $63.23 | $40,470 | 15,582 (Direct) | View |
2023-05-11 Sale | 2023-05-12 4:16 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director | 3,798 | $65 | $246,875 | 37,479 (Direct) | View |
2023-05-10 Sale | 2023-05-12 4:15 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner | 35,000 | $65.38 | $2,288,370 | 5,023,781 (Direct) | View |
2023-05-09 Sale | 2023-05-10 1:10 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO | 10,000 | $64.96 | $649,600 | 63,250 (Direct) | View |
2023-05-03 Sale | 2023-05-04 12:08 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 5,000 | $73 | $365,000 | 42,360 (Direct) | View |
2023-04-17 Sale | 2023-04-18 2:41 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 500 | $70 | $35,000 | 47,360 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2023-08-03 2:41 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Danielson Jeffrey S VP Infrastructure | 0 | $0 | 16,000 (Direct) | View |
2023-07-01 Option Award | 2023-07-06 09:36 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howell Deneen C Director | 1,435 | $0 | 7,750 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 2:44 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howard Eve N Director | 1,435 | $0 | 6,226 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 11:11 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director | 1,435 | $0 | 9,000 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 11:09 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director | 1,435 | $0 | 34,712 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 11:09 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director | 1,435 | $0 | 26,887 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 10:36 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc DIRECTOR NOMINEE | 1,435 | $0 | 75,812 (Direct) | View |
2023-07-01 Option Award | 2023-07-05 10:34 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director | 1,435 | $0 | 17,017 (Direct) | View |
2023-07-01 Option Award | 2023-07-03 4:36 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | de Sa Paul Director | 1,435 | $0 | 9,212 (Direct) | View |
2023-05-03 Option Award | 2023-05-03 3:14 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | O'Connor Greg W VP, CHIEF OPERATING OFFICER | 16,000 | $0 | 16,000 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:43 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc Director | 1,456 | $0 | 74,377 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:38 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director | 1,456 | $0 | 8,665 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:33 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howell Deneen C Director | 1,456 | $0 | 6,315 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:29 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howard Eve N Director | 1,456 | $0 | 4,791 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:24 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director | 1,456 | $0 | 16,222 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:19 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director | 1,456 | $0 | 41,277 (Direct) | View |
2023-04-01 Option Award | 2023-04-05 10:13 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | de Sa Paul Director | 1,456 | $0 | 7,777 (Direct) | View |