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 |
2021-06-02 Sale | 2021-06-03 09:19 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Construction | 2,400 | $75.18 | $180,440 | 33,600 (Direct) | View |
2021-03-12 Sale | 2021-03-15 09:16 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Construction | 4,000 | $63.3 | $253,200 | 36,000 (Direct) | View |
2021-03-05 Sale | 2021-03-05 12:21 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Construction | 1,200 | $57.78 | $69,336 | 40,000 (Direct) | View |
2020-12-07 Sale | 2020-12-07 4:18 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Construction | 2,000 | $57.76 | $115,520 | 31,600 (Direct) | View |
2020-09-15 Sale | 2020-09-15 4:08 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Field Engineering | 400 | $66.35 | $26,540 | 31,200 (Direct) | View |
2020-09-08 Sale | 2020-09-08 12:28 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Field Engineering | 2,000 | $65.57 | $131,140 | 31,600 (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 |
2021-02-24 Option Award | 2021-02-25 5:28 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Field Engineering | 9,600 | $0 | 41,200 (Direct) | View |
2020-12-01 Option Award | 2020-12-02 5:10 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | ONEILL TIMOTHY G VP Construction | 2,400 | $0 | 33,600 (Direct) | View |