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 |
2023-12-26 Sale |
2023-12-28 09:37 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
3,550 | $76 | $269,800 | 39,210 (Indirect Direct) |
View |
2023-12-21 Sale |
2023-12-22 4:26 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
1,000 | $74 | $74,000 | 42,760 (Indirect Direct) |
View |
2023-12-14 Sale |
2023-12-15 10:23 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
500 | $72 | $36,000 | 43,760 (Direct) |
View |
2023-12-13 Sale |
2023-12-14 10:14 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
20,000 | $69.99 | $1,399,800 | 4,740,590 (Direct) |
View |
2023-12-11 Sale |
2023-12-11 4:23 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
3,000 | $69 | $207,000 | 44,260 (Direct) |
View |
2023-12-07 Sale |
2023-12-08 3:56 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
4,800 | $67.94 | $326,132 | 28,800 (Direct) |
View |
2023-12-05 Sale |
2023-12-06 1:49 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
1,920 | $66.12 | $126,957 | 37,142 (Direct) |
View |
2023-12-01 Sale |
2023-12-04 1:46 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
1,920 | $63.7 | $122,297 | 39,062 (Direct) |
View |
2023-12-04 Sale |
2023-12-04 11:59 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
9,700 | $65.84 | $638,646 | 48,700 (Direct) |
View |
2023-12-01 Sale |
2023-12-01 4:47 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
36,604 | $65.18 | $2,385,691 | 4,760,590 (Direct) |
View |
2023-11-30 Sale |
2023-12-01 09:41 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
3,396 | $64.31 | $218,409 | 4,797,194 (Direct) |
View |
2023-11-30 Sale |
2023-11-30 3:04 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director |
950 | $64.59 | $61,365 | 16,850 (Direct) |
View |
2023-11-27 Sale |
2023-11-27 4:30 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director |
925 | $65.77 | $60,841 | 8,958 (Direct) |
View |
2023-11-20 Sale |
2023-11-21 11:01 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
9,000 | $67.14 | $604,251 | 10,320 (Direct) |
View |
2023-11-17 Sale |
2023-11-17 4:59 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
8,621 | $67.17 | $579,032 | 19,320 (Direct) |
View |
2023-11-16 Sale |
2023-11-17 11:37 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
379 | $67 | $25,393 | 27,941 (Direct) |
View |
2023-11-14 Sale |
2023-11-16 4:27 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
40,000 | $66.37 | $2,654,800 | 4,800,590 (Direct) |
View |
2023-11-14 Sale |
2023-11-15 3:20 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc Director |
10,550 | $65.83 | $694,518 | 66,695 (Direct) |
View |
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 |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2023-12-20 Gift |
2023-12-20 4:03 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
1,350 | $0 | 43,310 (Direct) |
View |
2023-12-01 Option Award |
2023-12-04 09:57 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | WEED THADDEUS GERARD VICE PRESIDENT, CFO |
4,850 | $0 | 58,400 (Direct) |
View |
2023-12-01 Option Award |
2023-12-01 4:32 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BUBECK JAMES CHIEF REVENUE OFFICER |
2,400 | $0 | 40,982 (Direct) |
View |
2023-12-01 Option Award |
2023-12-01 11:36 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KILMER HENRY W VP OF NETWORK STRATEGY |
2,400 | $0 | 33,600 (Direct) |
View |
2023-12-01 Option Award |
2023-12-01 11:36 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER |
2,400 | $0 | 47,260 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 5:19 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | de Sa Paul Director |
1,433 | $0 | 10,645 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:05 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howard Eve N Director |
1,433 | $0 | 7,659 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:03 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Montagner Marc Director |
1,433 | $0 | 77,245 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:03 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Howell Deneen C Director |
1,433 | $0 | 9,183 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:02 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | FERGUSON Lewis H Director |
1,433 | $0 | 17,800 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:01 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director |
1,433 | $0 | 36,145 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 10:00 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Kennedy Sheryl Lynn Director |
1,433 | $0 | 9,883 (Direct) |
View |
2023-10-01 Option Award |
2023-10-03 09:59 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Bath Blake Director |
1,433 | $0 | 28,320 (Direct) |
View |
2023-01-03 Option Award(A) |
2023-10-02 4:07 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | BROOKS STEVEN D Director |
1,709 | $0 | 39,821 (Direct) |
View |