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 |
2025-04-04 Sale |
2025-04-04 4:09 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
48,317 | $0 | $0 | 4,395,721 (Direct) |
View |
2025-03-12 Sale |
2025-03-13 5:43 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director |
956 | $69.37 | $66,313 | 18,652 (Direct) |
View |
2025-03-07 Sale |
2025-03-10 12:07 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
2,400 | $72.57 | $174,168 | 41,000 (Direct) |
View |
2025-03-04 Sale |
2025-03-05 4:40 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
60,000 | $71.77 | $4,305,978 | 4,444,038 (Direct) |
View |
2025-03-04 Sale |
2025-03-05 11:42 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
2,000 | $71.67 | $143,348 | 57,142 (Direct) |
View |
2025-03-03 Sale |
2025-03-04 09:22 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
4,900 | $72.06 | $353,110 | 103,000 (Direct) |
View |
2025-03-03 Sale |
2025-03-03 1:58 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director |
1,425 | $72.96 | $103,967 | 10,147 (Direct) |
View |
2024-12-16 Sale |
2024-12-17 4:03 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
20,000 | $75.88 | $1,517,548 | 4,228,038 (Direct) |
View |
2024-12-12 Sale |
2024-12-13 09:19 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
4,800 | $75.61 | $362,942 | 33,800 (Direct) |
View |
2024-12-09 Sale |
2024-12-10 6:00 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
1,920 | $76.6 | $147,065 | 49,542 (Direct) |
View |
2024-12-01 Sale |
2024-12-04 10:16 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
2,400 | $0 | $0 | 38,600 (Direct) |
View |
2024-12-02 Sale |
2024-12-03 5:54 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
1,920 | $81.42 | $156,329 | 51,462 (Direct) |
View |
2024-12-02 Sale |
2024-12-03 4:10 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
4,800 | $81.58 | $391,584 | 88,500 (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 |
2025-04-10 Gift |
2025-04-11 4:36 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
357 | $0 | 80,586 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 10:07 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howell Deneen C Director |
1,352 | $0 | 17,689 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:23 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc Director |
1,352 | $0 | 85,201 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:22 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director |
1,352 | $0 | 11,499 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:22 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howard Eve N Director |
1,352 | $0 | 12,665 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:20 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director |
1,352 | $0 | 20,004 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:19 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | de Sa Paul Director |
1,352 | $0 | 19,151 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:18 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director |
1,352 | $0 | 44,052 (Direct) |
View |
2025-03-31 Option Award |
2025-03-31 5:17 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
1,352 | $0 | 12,606 (Direct) |
View |
2025-03-10 Gift |
2025-03-12 10:45 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
357 | $0 | 80,943 (Direct) |
View |
2025-03-05 Gift |
2025-03-07 08:56 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
715 | $0 | 81,300 (Direct) |
View |
2025-01-21 Gift |
2025-01-22 4:39 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director |
299 | $0 | 42,700 (Direct) |
View |
2025-01-14 Option Award |
2025-01-15 4:32 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
180,000 | $0 | 4,504,038 (Direct) |
View |
2025-01-09 Option Award |
2025-01-13 4:58 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
9,600 | $0 | 43,400 (Direct) |
View |
2025-01-09 Option Award |
2025-01-13 4:58 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
9,600 | $0 | 59,142 (Direct) |
View |
2025-01-09 Option Award |
2025-01-13 4:18 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
19,400 | $0 | 107,900 (Direct) |
View |
2025-01-09 Option Award |
2025-01-13 4:17 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
9,600 | $0 | 81,300 (Direct) |
View |
2025-01-01 Option Award |
2025-01-03 4:46 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director |
1,254 | $0 | 19,608 (Direct) |
View |
2025-01-01 Option Award |
2025-01-03 4:46 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | de Sa Paul Director |
1,254 | $0 | 17,799 (Direct) |
View |
2025-01-01 Option Award |
2025-01-03 4:45 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director |
1,254 | $0 | 42,999 (Direct) |
View |
2025-01-01 Option Award |
2025-01-02 4:18 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director |
1,254 | $0 | 11,572 (Direct) |
View |
2025-01-01 Option Award |
2025-01-02 4:09 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howell Deneen C Director |
1,254 | $0 | 16,337 (Direct) |
View |
2025-01-01 Option Award |
2025-01-02 4:07 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc Director |
1,254 | $0 | 83,849 (Direct) |
View |
2025-01-01 Option Award |
2025-01-02 4:07 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howard Eve N Director |
1,254 | $0 | 11,313 (Direct) |
View |
2025-01-01 Option Award |
2025-01-02 4:06 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
1,254 | $0 | 11,254 (Direct) |
View |
2024-12-18 Gift |
2024-12-19 4:58 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
1,455 | $0 | 70,765 (Direct) |
View |
2024-12-04 Gift |
2024-12-06 4:20 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
900 | $0 | 71,700 (Direct) |
View |
2024-12-01 Option Award |
2024-12-03 5:54 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
2,400 | $0 | 51,462 (Direct) |
View |
2024-12-01 Option Award |
2024-12-03 4:10 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
2,400 | $0 | 88,500 (Direct) |
View |