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 |
| 2024-11-12 Sale | 2024-11-12 4:19 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 2,280 | $80.41 | $183,328 | 70,200 (Indirect Direct) | View |
| 2024-09-12 Sale | 2024-09-13 4:45 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 1,400 | $71.67 | $100,338 | 72,480 (Indirect Direct) | View |
| 2024-08-23 Sale | 2024-08-26 4:11 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 2,055 | $74 | $152,070 | 73,880 (Indirect Direct) | View |
| 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 |
| 2023-05-03 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 |
| 2023-02-01 Sale | 2023-02-02 09:31 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Chief Legal Officer | 2,000 | $70 | $140,000 | 47,860 (Direct) | View |
| 2023-01-26 Sale | 2023-01-27 09:12 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Chief Legal Officer | 500 | $68 | $34,000 | 49,860 (Direct) | View |
| 2023-01-17 Sale | 2023-01-18 10:30 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Chief Legal Officer | 1,000 | $66 | $66,000 | 50,360 (Direct) | View |
| 2023-01-12 Sale | 2023-01-13 10:25 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Chief Legal Officer | 1,500 | $64 | $96,000 | 51,360 (Direct) | View |
| 2022-04-05 Sale | 2022-04-07 09:58 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Director | 500 | $71 | $35,500 | 40,860 (Direct) | View |
| 2022-04-01 Sale | 2022-04-04 10:22 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Director | 150 | $68 | $10,200 | 41,360 (Direct) | View |
| 2022-03-31 Sale | 2022-04-01 10:26 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 150 | $66 | $9,900 | 41,510 (Direct) | View |
| 2022-03-17 Sale | 2022-03-18 2:01 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 600 | $62.96 | $37,776 | 41,660 (Direct) | View |
| 2021-05-10 Sale | 2021-05-11 09:45 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 558 | $80 | $44,640 | 32,660 (Direct) | View |
| 2021-04-30 Sale | 2021-05-03 09:29 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 558 | $75 | $41,850 | 33,218 (Direct) | View |
| 2021-04-05 Sale | 2021-04-06 11:13 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 558 | $70 | $39,060 | 33,776 (Direct) | View |
| 2021-03-15 Sale | 2021-03-16 09:23 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 558 | $65 | $36,270 | 34,334 (Direct) | View |
| 2021-01-04 Sale | 2021-01-05 1:19 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 558 | $60 | $33,480 | 25,292 (Direct) | View |
| 2020-09-01 Sale | 2020-09-01 8:39 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 150 | $67.53 | $10,129 | 25,850 (Direct) | View |
| 2020-07-31 Sale | 2020-07-31 4:52 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 500 | $90 | $45,000 | 26,000 (Direct) | View |
| 2020-07-21 Sale | 2020-07-22 11:42 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 500 | $85 | $42,500 | 26,500 (Direct) | View |
| 2020-03-03 Sale | 2020-03-04 4:14 pm | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 600 | $81.39 | $48,835 | 27,000 (Direct) | View |
| 2020-03-02 Sale | 2020-03-03 11:38 am | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 300 | $76.66 | $22,997 | 27,600 (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 |
| 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 4:09 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 2,400 | $0 | 72,600 (Direct) | View |
| 2024-02-01 Gift | 2024-02-01 5:17 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 375 | $0 | 76,310 (Direct) | View |
| 2024-01-03 Option Award(A) | 2024-01-30 12:09 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 39,600 | $0 | 76,310 (Direct) | View |
| 2024-01-03 Option Award | 2024-01-05 12:14 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 39,600 | $0 | 78,810 (Direct) | View |
| 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 |
| 2023-12-11 Disposition | 2023-12-11 4:23 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & CHIEF LEGAL OFFICER | 3,000 | $69 | 44,260 (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 |
| 2023-01-03 Option Award | 2023-01-04 2:08 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Chief Legal Officer | 9,600 | $0 | 52,860 (Direct) | View |
| 2022-12-01 Option Award | 2022-12-01 10:06 am | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. Director | 2,400 | $0 | 43,260 (Direct) | View |
| 2022-01-03 Option Award | 2022-01-05 4:18 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 9,600 | $0 | 42,260 (Direct) | View |
| 2021-02-24 Option Award | 2021-02-25 5:23 pm | N/A N/A | COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | Chang John B. VP & Chief Legal Officer | 9,600 | $0 | 34,892 (Direct) | View |