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 |
2022-11-16 Sale |
2022-11-17 1:56 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO; VP Optical Transport |
4,800 | $58.01 | $278,445 | 50,400 (Direct) |
View |
2021-08-02 Sale |
2021-08-03 4:43 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO; VP Optical Transport |
3,954 | $78.23 | $309,302 | 43,200 (Direct) |
View |
2021-07-16 Sale |
2021-07-19 4:31 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO & VP Optical Transport |
846 | $78.24 | $66,191 | 47,154 (Direct) |
View |
2021-07-02 Sale |
2021-07-02 3:28 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO & VP Optical Transport |
4,800 | $76.14 | $365,484 | 48,000 (Direct) |
View |
2021-06-07 Sale |
2021-06-07 4:11 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO & VP Optical Transport |
2,400 | $77 | $184,812 | 52,800 (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 |
2023-01-03 Option Award |
2023-01-04 2:06 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO Emeritus |
7,200 | $0 | 60,000 (Direct) |
View |
2022-12-01 Option Award |
2022-12-01 10:49 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO; VP Optical Transport |
2,400 | $0 | 52,800 (Direct) |
View |
2022-01-03 Option Award |
2022-01-05 4:20 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO; VP Optical Transport |
9,600 | $0 | 55,200 (Direct) |
View |
2021-12-01 Option Award |
2021-12-01 09:52 am |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO & VP Optical Transport |
2,400 | $0 | 45,600 (Direct) |
View |
2021-02-24 Option Award |
2021-02-25 5:27 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO; VP Optical Transport |
9,600 | $0 | 55,200 (Direct) |
View |
2020-12-01 Option Award |
2020-12-02 5:09 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | KUMMER RAYMOND B CTO & VP Optical Transport |
2,400 | $0 | 45,600 (Direct) |
View |