Home
Latest Filings
Latest Buys
Latest Sells
Institutions
Derivatives
Hot Buys
Data Screener
Email Alerts
Insider Charts
CCOI
- As of 06/17/24, 05:33:47 AM: 28 Insider Transactions.
Sector:
Technology
Industry:
Diversified Communication Services
Prev Close:
$42.69
Avg Vol(3m):
380,292
P/E:
194.00
EPS:
0.22
Email this page to a friend.
Insider Transactions for CCOI
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
B
2020-02-13 11:29:29.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
RENAISSANCE TECHNOLOGIES LLC
7.66%
view
S
2020-02-11 19:29:22.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
10.05%
view
S
2020-02-04 11:53:15.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
14.7%
view
B
2019-05-10 12:06:56.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
10.3%
view
B
2019-02-13 10:18:16.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
RENAISSANCE TECHNOLOGIES LLC
7.35%
view
S
2019-02-11 08:55:48.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
9.84%
view
B
2019-01-24 13:43:52.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
14.8%
view
B
2018-03-12 12:30:13.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
10.01%
view
B
2018-02-14 11:27:48.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
RENAISSANCE TECHNOLOGIES LLC
6.04%
view
S
2018-02-13 09:35:34.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FMR LLC
4.478%
view
S
2018-02-08 19:45:19.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
9.93%
view
S
2018-02-07 10:15:03.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FRONTIER CAPITAL MANAGEMENT CO LLC
2.734%
view
B
2018-01-19 14:03:41.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
13.7%
view
S
2017-02-14 10:55:12.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FMR LLC
6.475%
view
S
2017-02-10 16:08:03.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FRONTIER CAPITAL MANAGEMENT CO LLC
6.26%
view
S
2017-02-10 09:41:50.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
10.32%
view
B
2017-01-12 11:22:50.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
10.3%
view
B
2016-08-10 08:27:45.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
10.33%
view
B
2016-05-10 11:17:58.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
10.0%
view
B
2016-02-12 09:01:36.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FMR LLC
11.22%
view
S
2016-02-11 18:10:36.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FRONTIER CAPITAL MANAGEMENT CO LLC
8.64%
view
B
2016-02-11 10:31:19.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
VANGUARD GROUP INC
7.7%
view
B
2016-01-26 08:19:30.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
BlackRock Inc
6.8%
view
S
2015-10-05 09:34:34.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
COLUMBIA WANGER ASSET MANAGEMENT LLC
n/a
view
B
2015-07-10 07:47:17.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FMR LLC
10.523%
view
B
2015-02-13 10:09:45.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FMR LLC
7.661%
view
B
2015-02-12 17:58:30.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
FRONTIER CAPITAL MANAGEMENT CO LLC
9.86%
view
S
2015-02-12 09:41:25.0
COGENT COMMUNICATIONS HOLDINGS
CCOI
Sarbit Advisory Services Inc
0.0%
view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.