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CCOI - As of  06/25/24, 07:40:19 AM:   101 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
B 2015-02-11 10:24:09.0 COGENT COMMUNICATIONS HOLDINGS CCOI VANGUARD GROUP INC 6.33% view
B 2015-02-11 09:24:00.0 COGENT COMMUNICATIONS HOLDINGS CCOI COLUMBIA WANGER ASSET MANAGEMENT LLC 5.1% view
S 2015-02-09 13:17:19.0 COGENT COMMUNICATIONS HOLDINGS CCOI JENNISON ASSOCIATES LLC 2.3% view
S 2015-02-06 17:52:13.0 COGENT COMMUNICATIONS HOLDINGS CCOI BlackRock Inc 5.5% view
S 2015-02-02 11:54:03.0 COGENT COMMUNICATIONS HOLDINGS CCOI PRUDENTIAL FINANCIAL INC 2.3% view
S 2014-02-14 06:47:32.0 COGENT COMMUNICATIONS GROUP INC CCOI FMR LLC 1.785% view
B 2014-02-12 11:57:03.0 COGENT COMMUNICATIONS GROUP INC CCOI VANGUARD GROUP INC 5.9% view
B 2014-02-12 10:40:21.0 COGENT COMMUNICATIONS GROUP INC CCOI Sarbit Advisory Services Inc 6.62% view
B 2014-02-06 17:01:43.0 COGENT COMMUNICATIONS GROUP INC CCOI JENNISON ASSOCIATES LLC 5.6% view
B 2014-02-05 10:20:50.0 COGENT COMMUNICATIONS GROUP INC CCOI PRUDENTIAL FINANCIAL INC 5.6% view
B 2014-01-28 15:23:00.0 COGENT COMMUNICATIONS GROUP INC CCOI BlackRock Inc 5.6% view
S 2013-02-14 13:51:40.0 COGENT COMMUNICATIONS GROUP INC CCOI FMR LLC 5.718% view
S 2013-02-14 12:56:49.0 COGENT COMMUNICATIONS GROUP INC CCOI FRONTIER CAPITAL MANAGEMENT CO LLC 7.823% view
S 2013-02-14 11:29:53.0 COGENT COMMUNICATIONS GROUP INC CCOI COLUMBIA WANGER ASSET MANAGEMENT LLC n/a view
B 2013-02-14 09:34:31.0 COGENT COMMUNICATIONS GROUP INC CCOI Sarbit Advisory Services Inc 5.85% view
B 2013-02-12 15:44:02.0 COGENT COMMUNICATIONS GROUP INC CCOI VANGUARD GROUP INC 5.85% view
S 2013-02-08 16:18:46.0 COGENT COMMUNICATIONS GROUP INC CCOI BlackRock Inc 5.28% view
S 2012-02-14 16:50:36.0 COGENT COMMUNICATIONS GROUP INC CCOI FRONTIER CAPITAL MANAGEMENT CO LLC 8.708% view
S 2012-02-14 12:13:40.0 COGENT COMMUNICATIONS GROUP INC CCOI FMR LLC 7.548% view
B 2012-02-13 14:48:13.0 COGENT COMMUNICATIONS GROUP INC CCOI BlackRock Inc 5.33% view
S 2012-02-10 15:46:26.0 COGENT COMMUNICATIONS GROUP INC CCOI COLUMBIA WANGER ASSET MANAGEMENT LLC 5.5% view
S 2012-02-08 10:35:53.0 COGENT COMMUNICATIONS GROUP INC CCOI MORGAN STANLEY 3.1% view
B 2012-02-07 16:14:42.0 COGENT COMMUNICATIONS GROUP INC CCOI VANGUARD GROUP INC 5.31% view
S 2012-02-02 15:25:00.0 COGENT COMMUNICATIONS GROUP INC CCOI PENINSULA CAPITAL ADVISORS LLC 0.0% view
S 2011-07-11 13:49:33.0 COGENT COMMUNICATIONS GROUP INC CCOI FMR LLC 8.414% view
S 2011-02-17 13:32:40.0 COGENT COMMUNICATIONS GROUP INC CCOI PRICE T ROWE ASSOCIATES INC 1.8% view
S 2011-02-14 18:38:30.0 COMVERSE TECHNOLOGY INC CMVT SOROS FUND MANAGEMENT LLC 0.0% view
B 2013-02-14 13:53:45.0 COMVERSE TECHNOLOGY INC CMVT FMR LLC 12.584% view
B 2013-02-14 10:56:35.0 COMVERSE TECHNOLOGY INC CMVT CADIAN CAPITAL MANAGEMENT 5.9% view
S 2013-01-30 14:29:58.0 COMVERSE TECHNOLOGY INC CMVT BlackRock Inc 1.21% view
S 2012-02-14 15:36:02.0 COMVERSE TECHNOLOGY INC CMVT ARTIS CAPITAL MANAGEMENT 14.067% view
B 2012-01-06 16:20:24.0 COMVERSE TECHNOLOGY INC CMVT SOROS FUND MANAGEMENT LLC 6.69% view
S 2011-02-14 17:44:27.0 COMVERSE TECHNOLOGY INC CMVT FMR LLC 4.87% view
B 2011-02-14 15:20:15.0 COMVERSE TECHNOLOGY INC CMVT ARTIS CAPITAL MANAGEMENT 10.1% view
B 2011-02-14 13:45:52.0 COMVERSE TECHNOLOGY INC CMVT WELLINGTON MANAGEMENT CO LLP 0.0% view
B 2010-07-19 17:22:09.0 COMVERSE TECHNOLOGY INC CMVT SOROS FUND MANAGEMENT LLC 8.63% view
S 2010-02-16 14:27:58.0 COMVERSE TECHNOLOGY INC CMVT ARTIS CAPITAL MANAGEMENT 7.5% view
S 2010-02-10 18:44:45.0 COMVERSE TECHNOLOGY INC CMVT Capital World Investors 0.0% view
S 2009-02-17 13:43:16.0 COMVERSE TECHNOLOGY INC CMVT ARTIS CAPITAL MANAGEMENT 5.6% view
B 2008-10-22 16:58:57.0 COMVERSE TECHNOLOGY INC CMVT ARTIS CAPITAL MANAGEMENT 6.23% view
B 2008-02-13 11:37:06.0 COMVERSE TECHNOLOGY INC CMVT CAPITAL RESEARCH & MANAGEMENT CO 5.8% view
B 2008-01-29 18:19:19.0 COMVERSE TECHNOLOGY INC CMVT HBK INVESTMENTS L P 5.3% view
S 2007-11-16 17:09:06.0 COMVERSE TECHNOLOGY INC CMVT OZ MANAGEMENT LP 6.18% view
B 2007-02-13 14:40:22.0 COMVERSE TECHNOLOGY INC CMVT CAPITAL RESEARCH & MANAGEMENT CO 10.4% view
B 2007-02-07 15:39:26.0 COMVERSE TECHNOLOGY INC CMVT CITADEL L P 5.2% view
S 2006-02-14 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT FMR CORP n/a view
S 2005-02-09 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT CITIGROUP INC 5.9% view
S 2004-02-17 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT FMR CORP n/a view
S 2004-02-11 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT CITIGROUP INC 0.06% view
S 2003-02-13 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT FMR CORP 0.4% view
B 2003-02-04 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT CITIGROUP INC 10.7% view
S 2002-02-14 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS LLC 12.0% view
S 2002-02-12 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT MASSACHUSETTS FINANCIAL SERVICES CO 8.2% view
S 2002-02-11 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT A I M MANAGEMENT GROUP INC 1.3% view
S 2001-11-13 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT FMR CORP n/a view
S 2001-09-07 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS LLC 12.0% view
S 2001-08-20 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS INC 12.0% view
S 2001-03-12 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS INC 12.0% view
B 2001-02-12 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT MORGAN STANLEY DEAN WITTER & CO 5.06% view
S 2001-01-10 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS INC 12.2% view
S 2000-02-14 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT AXA FINANCIAL INC n/a view
B 2000-02-11 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT MORGAN STANLEY DEAN WITTER & CO 5.1% view
B 2000-02-04 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT FMR CORP n/a view
S 1999-04-09 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PUTNAM INVESTMENTS INC 5.1% view
B 1999-02-12 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT NICHOLAS APPLEGATE CAPITAL MANAGEMENT 5.8% view
B 1999-02-11 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT AMVESCAP PLC 10.63% view
B 1999-02-01 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PILGRIM BAXTER & ASSOCIATES LTD 10.6% view
B 1998-02-17 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT PILGRIM BAXTER & ASSOCIATES LTD 9.14% view
S 1998-02-13 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT INVESCO PLC 8.3% view
B 1998-02-11 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT INVESCO PLC 8.3% view
B 1998-02-10 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT AMERICAN CENTURY COMPANIES INC 12.0% view
B 1998-01-26 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT EQUITABLE COMPANIES INC 10.5% view
B 1997-03-12 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT A I M MANAGEMENT GROUP INC 5.2% 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.