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 |
| 2025-06-12 Sale |
2025-06-12 5:29 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
55,000 | $47.86 | $2,632,372 | 3,481,721 (Direct) |
View |
| 2025-06-11 Sale |
2025-06-12 10:11 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
55,000 | $48.51 | $2,668,135 | 3,536,721 (Direct) |
View |
| 2025-06-10 Sale |
2025-06-10 6:15 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
55,000 | $48.68 | $2,677,490 | 3,591,721 (Direct) |
View |
| 2025-06-09 Sale |
2025-06-09 6:23 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
55,000 | $48.64 | $2,675,347 | 3,646,721 (Direct) |
View |
| 2025-06-06 Sale |
2025-06-09 4:48 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
80,000 | $47.78 | $3,822,124 | 3,701,721 (Direct) |
View |
| 2025-06-05 Sale |
2025-06-09 09:09 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
75,000 | $47.3 | $3,547,316 | 3,781,721 (Direct) |
View |
| 2025-06-04 Sale |
2025-06-05 5:08 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
75,000 | $47.76 | $3,581,983 | 3,856,721 (Direct) |
View |
| 2025-06-03 Sale |
2025-06-04 4:06 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
65,000 | $46.97 | $3,052,867 | 3,931,721 (Direct) |
View |
| 2025-06-02 Sale |
2025-06-03 4:28 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
65,000 | $46.33 | $3,011,141 | 3,996,721 (Direct) |
View |
| 2025-05-30 Sale |
2025-06-02 4:08 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
25,000 | $45.9 | $1,147,425 | 4,061,721 (Direct) |
View |
| 2025-05-29 Sale |
2025-05-30 4:03 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
25,000 | $46.9 | $1,172,593 | 4,086,721 (Direct) |
View |
| 2025-05-28 Sale |
2025-05-29 4:30 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
20,000 | $47.41 | $948,174 | 4,111,721 (Direct) |
View |
| 2025-05-27 Sale |
2025-05-28 4:29 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
20,000 | $48.67 | $973,322 | 4,131,721 (Direct) |
View |
| 2025-05-23 Sale |
2025-05-27 4:13 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
25,000 | $46.93 | $1,173,318 | 4,151,721 (Direct) |
View |
| 2025-05-22 Sale |
2025-05-23 4:02 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
25,000 | $46.27 | $1,156,768 | 4,176,721 (Direct) |
View |
| 2025-05-21 Sale |
2025-05-22 4:25 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
40,000 | $46.81 | $1,872,248 | 4,201,721 (Direct) |
View |
| 2025-05-20 Sale |
2025-05-21 4:20 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
15,000 | $49.96 | $749,348 | 4,241,721 (Direct) |
View |
| 2025-05-16 Sale |
2025-05-19 4:21 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
15,000 | $50.99 | $764,925 | 4,256,721 (Direct) |
View |
| 2025-05-15 Sale |
2025-05-16 4:04 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
40,000 | $50.38 | $2,015,036 | 4,271,721 (Direct) |
View |
| 2025-05-14 Sale |
2025-05-15 4:12 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
30,000 | $50.64 | $1,519,140 | 4,311,721 (Direct) |
View |
| 2025-05-12 Sale |
2025-05-14 4:17 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
54,000 | $50.37 | $2,720,231 | 4,341,721 (Direct) |
View |
| 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 |
| 2025-03-04 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 |
| 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 |
| 2024-11-25 Sale |
2024-11-27 4:01 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT |
60,000 | $83.32 | $4,999,480 | 4,248,038 (Direct) |
View |
| 2024-09-10 Sale |
2024-09-11 4:18 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
65,000 | $71.75 | $4,663,555 | 4,308,038 (Direct) |
View |
| 2024-08-27 Sale |
2024-08-28 12:00 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
60,000 | $72.82 | $4,368,960 | 4,373,038 (Direct) |
View |
| 2024-06-14 Sale |
2024-06-17 10:22 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
60,000 | $51.78 | $3,106,830 | 4,433,038 (Direct) |
View |
| 2024-06-12 Sale |
2024-06-13 11:13 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
60,000 | $54.6 | $3,276,000 | 4,493,038 (Direct) |
View |
| 2024-05-13 Sale |
2024-05-14 4:42 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
50,000 | $59.44 | $2,972,000 | 4,553,038 (Direct) |
View |
| 2024-04-01 Sale |
2024-04-01 12:35 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
50,165 | $0 | $0 | 4,603,038 (Direct) |
View |
| 2024-03-15 Sale |
2024-03-18 11:12 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
26,174 | $64.21 | $1,680,633 | 4,653,203 (Direct) |
View |
| 2024-03-13 Sale |
2024-03-15 09:19 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
30,000 | $67.52 | $2,025,600 | 4,679,377 (Direct) |
View |
| 2024-03-12 Sale(A) |
2024-03-14 10:58 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
50,000 | $68.12 | $3,406,000 | 4,709,377 (Direct) |
View |
| 2024-03-11 Sale(A) |
2024-03-14 10:53 am |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
35,000 | $67.93 | $2,377,550 | 4,759,377 (Direct) |
View |
| 2024-03-12 Sale |
2024-03-12 5:29 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
50,000 | $68.12 | $3,406,000 | 4,709,377 (Direct) |
View |
| 2024-03-11 Sale |
2024-03-12 1:01 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
35,000 | $67.93 | $2,377,550 | 4,759,377 (Direct) |
View |
| 2024-03-06 Sale |
2024-03-08 12:00 pm |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
30,213 | $21.19 | $640,326 | 4,794,377 (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 |
| 2025-01-14 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 |
| 2024-01-03 Option Award |
2024-01-05 12:20 pm |
N/A N/A |
COGENT COMMUNICATIONS HOLDINGS INC. | CCOI | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT 10% Owner |
180,000 | $0 | 4,920,590 (Direct) |
View |