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CIEN - As of  04/30/25, 10:19:26 AM:   127 Insider Transactions.

Sector: Technology    Industry: Communication Equipment
Prev Close:$19.39  Avg Vol(3m): 3,320,920  P/E: 208.40  EPS: 0.09

Email this page to a friend.    Insider Transactions for CIEN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-12 07:50:00.0 CIENA CORP CIEN VANGUARD GROUP INC 9.45% view
B 2019-02-11 08:54:21.0 CIENA CORP CIEN VANGUARD GROUP INC 8.52% view
B 2019-01-30 15:12:26.0 CIENA CORP CIEN BlackRock Inc 11.4% view
B 2019-01-24 13:46:32.0 CIENA CORP CIEN BlackRock Inc 11.4% view
S 2019-01-22 13:23:43.0 CIENA CORP CIEN Bank of New York Mellon Corp 4.69% view
S 2018-02-13 20:44:10.0 CIENA CORP CIEN TEACHERS ADVISORS 2.07% view
S 2018-02-13 19:21:41.0 CIENA CORP CIEN TIAA CREF INVESTMENT MANAGEMENT LLC 2.07% view
B 2018-02-08 19:10:35.0 CIENA CORP CIEN VANGUARD GROUP INC 8.47% view
B 2018-02-07 14:40:15.0 CIENA CORP CIEN Bank of New York Mellon Corp 8.9% view
S 2018-02-07 11:46:45.0 CIENA CORP CIEN Invesco Ltd 4.1% view
S 2018-01-19 14:04:28.0 CIENA CORP CIEN BlackRock Inc 10.5% view
S 2017-02-14 15:35:40.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 3.82% view
B 2017-02-14 14:20:06.0 CIENA CORP CIEN TEACHERS ADVISORS 4.47% view
B 2017-02-14 13:55:43.0 CIENA CORP CIEN TIAA CREF INVESTMENT MANAGEMENT LLC 4.47% view
S 2017-02-10 08:47:38.0 CIENA CORP CIEN VANGUARD GROUP INC 7.85% view
S 2017-02-09 10:04:13.0 CIENA CORP CIEN WELLINGTON MANAGEMENT GROUP LLP 3.71% view
B 2017-02-07 15:01:27.0 CIENA CORP CIEN Invesco Ltd 5.9% view
B 2017-02-03 13:40:41.0 CIENA CORP CIEN Bank of New York Mellon Corp 7.06% view
B 2017-01-12 11:22:46.0 CIENA CORP CIEN BlackRock Inc 10.8% view
B 2016-10-07 16:13:49.0 CIENA CORP CIEN BlackRock Inc 10.1% view
S 2016-06-09 15:39:44.0 CIENA CORP CIEN Bank of New York Mellon Corp 4.98% view
S 2016-02-12 15:35:04.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 8.15% view
B 2016-02-11 09:15:35.0 CIENA CORP CIEN VANGUARD GROUP INC 8.07% view
S 2016-02-10 16:16:35.0 CIENA CORP CIEN TIAA CREF INVESTMENT MANAGEMENT LLC 2.51% view
S 2016-02-10 16:09:21.0 CIENA CORP CIEN TEACHERS ADVISORS INC 2.51% view
S 2016-02-04 11:47:22.0 CIENA CORP CIEN Invesco Ltd 5.1% view
B 2016-01-26 14:16:53.0 CIENA CORP CIEN Bank of New York Mellon Corp 5.23% view
S 2015-12-07 12:57:40.0 CIENA CORP CIEN JPMORGAN CHASE & CO 4.3% view
S 2015-09-10 09:03:44.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 8.85% view
S 2015-06-08 16:04:40.0 CIENA CORP CIEN Bank of New York Mellon Corp 4.22% view
B 2015-02-17 16:49:48.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 14.04% view
B 2015-02-12 17:26:36.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
B 2015-02-12 13:41:44.0 CIENA CORP CIEN Invesco Ltd 7.2% view
B 2015-02-12 12:13:38.0 CIENA CORP CIEN TIAA CREF INVESTMENT MANAGEMENT LLC 3.07% view
B 2015-02-12 12:11:35.0 CIENA CORP CIEN TEACHERS ADVISORS INC 3.07% view
B 2015-02-11 09:43:09.0 CIENA CORP CIEN VANGUARD GROUP INC 6.73% view
S 2015-02-10 15:11:03.0 CIENA CORP CIEN Bank of New York Mellon Corp 5.78% view
S 2015-01-23 15:14:58.0 CIENA CORP CIEN BlackRock Inc 8.4% view
B 2015-01-13 10:38:30.0 CIENA CORP CIEN JPMORGAN CHASE & CO 7.0% view
S 2014-02-14 16:09:54.0 CIENA CORP CIEN CITADEL ADVISORS LLC 2.7% view
B 2014-02-13 16:59:48.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
S 2014-02-13 16:25:28.0 CIENA CORP CIEN SOROS FUND MANAGEMENT LLC 1.57% view
S 2014-02-12 14:43:56.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 12.64% view
B 2014-02-12 11:06:53.0 CIENA CORP CIEN VANGUARD GROUP INC 6.41% view
S 2014-02-07 10:10:52.0 CIENA CORP CIEN HARTFORD MUTUAL FUNDS INC 0.0% view
B 2014-01-28 16:47:04.0 CIENA CORP CIEN Bank of New York Mellon Corp 6.02% view
B 2014-01-24 13:04:05.0 CIENA CORP CIEN JPMORGAN CHASE & CO 5.5% view
B 2013-03-19 09:20:07.0 CIENA CORP CIEN CITADEL ADVISORS LLC 5.1% view
B 2013-02-14 18:30:19.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
S 2013-02-14 17:07:48.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 15.86% view
B 2013-02-14 16:15:29.0 CIENA CORP CIEN SOROS FUND MANAGEMENT LLC 6.57% view
S 2013-02-14 16:09:49.0 CIENA CORP CIEN CITADEL ADVISORS LLC 1.3% view
S 2013-02-14 15:35:11.0 CIENA CORP CIEN SAC Capital Advisors LP 0.6% view
S 2013-02-14 13:46:29.0 CIENA CORP CIEN Brookside Capital Trading Fund 0.0% view
B 2013-02-14 12:14:21.0 CIENA CORP CIEN WELLINGTON MANAGEMENT CO LLP 13.91% view
B 2013-02-13 20:54:20.0 CIENA CORP CIEN HIGHBRIDGE CAPITAL MANAGEMENT LLC 0.01% view
B 2013-02-13 13:36:29.0 CIENA CORP CIEN VANGUARD GROUP INC 5.88% view
S 2013-02-11 14:21:20.0 CIENA CORP CIEN WELLINGTON MANAGEMENT CO LLP 1.39% view
B 2013-02-11 11:25:09.0 CIENA CORP CIEN HARTFORD MUTUAL FUNDS INC 7.76% view
B 2013-02-04 15:43:16.0 CIENA CORP CIEN Bank of New York Mellon CORP 5.65% view
S 2013-01-10 17:47:56.0 CIENA CORP CIEN BlackRock Inc 10.08% view
B 2012-09-10 09:27:29.0 CIENA CORP CIEN BlackRock Inc 10.18% view
B 2012-07-10 13:58:36.0 CIENA CORP CIEN WELLINGTON MANAGEMENT CO LLP 10.1% view
B 2012-05-14 16:07:07.0 CIENA CORP CIEN SAC Capital Advisors LP 5.2% view
S 2012-03-12 09:56:56.0 CIENA CORP CIEN FMR LLC 1.194% view
B 2012-02-14 19:44:41.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
B 2012-02-14 16:32:37.0 CIENA CORP CIEN Brookside Capital Trading Fund 8.05% view
S 2012-02-14 15:50:00.0 CIENA CORP CIEN ARTIS CAPITAL MANAGEMENT 2.8% view
B 2012-02-14 14:57:12.0 CIENA CORP CIEN Highbridge International LLC 5.15% view
B 2012-02-14 14:06:06.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 15.9% view
B 2012-02-14 12:13:23.0 CIENA CORP CIEN FMR LLC 6.226% view
B 2012-02-13 11:50:09.0 CIENA CORP CIEN BlackRock Inc 6.85% view
B 2012-01-12 09:23:02.0 CIENA CORP CIEN CITADEL ADVISORS LLC 5.4% view
B 2012-01-06 16:18:44.0 CIENA CORP CIEN SOROS FUND MANAGEMENT LLC 5.68% view
B 2011-12-12 15:14:34.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 15.38% view
B 2011-11-10 17:32:37.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
S 2011-10-11 12:22:27.0 CIENA CORP CIEN FMR LLC 5.663% view
B 2011-09-23 17:04:34.0 CIENA CORP CIEN SOROS FUND MANAGEMENT LLC 5.0% view
B 2011-09-12 17:00:32.0 CIENA CORP CIEN SOROS FUND MANAGEMENT LLC 4.99% view
B 2011-09-01 19:20:51.0 CIENA CORP CIEN PLATINUM INVESTMENT MANAGEMENT LTD n/a view
B 2011-06-17 16:30:42.0 CIENA CORP CIEN Highbridge International LLC 5.15% view
S 2011-02-14 18:45:24.0 CIENA CORP CIEN Brookside Capital Trading Fund 7.67% view
B 2011-02-14 15:13:33.0 CIENA CORP CIEN ARTIS CAPITAL MANAGEMENT 7.5% view
B 2011-02-03 17:17:32.0 CIENA CORP CIEN BlackRock Inc 5.8% view
B 2011-01-10 13:28:06.0 CIENA CORP CIEN FMR LLC 11.073% view
B 2010-12-10 15:41:34.0 CIENA CORP CIEN LOOMIS SAYLES & CO L P 10.12% view
B 2010-02-16 16:01:49.0 CIENA CORP CIEN Brookside Capital Trading Fund 9.72% view
B 2010-02-16 15:07:39.0 CIENA CORP CIEN CITADEL ADVISORS LLC 2.6% view
B 2010-02-16 11:06:23.0 CIENA CORP CIEN KINGDOM RIDGE CAPITAL MASTER FUND 0.0% view
B 2010-01-11 15:02:09.0 CIENA CORP CIEN FMR LLC 3.922% view
B 2009-02-23 15:29:34.0 CIENA CORP CIEN Kingdom Ridge Capital 5.03% view
B 2009-02-17 15:51:11.0 CIENA CORP CIEN BROOKSIDE CAPITAL PARTNERS FUND LP 9.8% view
S 2009-02-17 14:14:31.0 CIENA CORP CIEN MORGAN STANLEY 0.7% view
S 2009-02-17 13:31:25.0 CIENA CORP CIEN JENNISON ASSOCIATES LLC 0.0% view
B 2008-11-07 12:46:23.0 CIENA CORP CIEN MORGAN STANLEY 5.3% view
B 2008-08-19 09:10:04.0 CIENA CORP CIEN CITADEL INVESTMENT GROUP LLC 5.0% view
B 2008-08-11 12:17:56.0 CIENA CORP CIEN BROOKSIDE CAPITAL PARTNERS FUND LP 5.24% view
S 2008-03-10 14:28:58.0 CIENA CORP CIEN PRUDENTIAL FINANCIAL INC n/a view
S 2008-02-13 09:33:25.0 CIENA CORP CIEN PRICE T ROWE ASSOCIATES INC 3.7% view
B 2008-02-06 14:10:32.0 CIENA CORP CIEN PRUDENTIAL FINANCIAL INC 9.3% view
B 2007-07-10 12:57:14.0 CIENA CORP CIEN JENNISON ASSOCIATES LLC 6.99% view
S 2007-02-14 16:27:29.0 CIENA CORP CIEN FMR CORP n/a view
B 2007-02-13 14:44:39.0 CIENA CORP CIEN PRICE T ROWE ASSOCIATES INC 5.9% view
S 2006-10-10 11:15:50.0 CIENA CORP CIEN FMR CORP n/a view
S 2006-02-14 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2005-02-14 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2004-11-10 00:00:00.0 CIENA CORP CIEN CITIGROUP INC 3.4% view
B 2004-09-10 00:00:00.0 CIENA CORP CIEN CITIGROUP INC 6.2% view
S 2004-07-12 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2004-02-17 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2004-02-13 00:00:00.0 CIENA CORP CIEN CITIGROUP INC 5.6% view
S 2003-12-10 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
B 2003-02-13 00:00:00.0 CIENA CORP CIEN CITIGROUP INC 6.5% view
S 2003-02-13 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2003-02-12 00:00:00.0 CIENA CORP CIEN OAK ASSOCIATES LTD 0.09% view
S 2002-05-10 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
B 2002-02-12 00:00:00.0 CIENA CORP CIEN MASSACHUSETTS FINANCIAL SERVICES CO 5.3% view
B 2002-02-05 00:00:00.0 CIENA CORP CIEN OAK ASSOCIATES LTD 6.38% view
S 2002-01-10 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2001-02-13 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
B 2001-02-13 00:00:00.0 CIENA CORP CIEN OAK ASSOCIATES LTD 5.57% view
B 2000-09-11 00:00:00.0 CIENA CORP CIEN FMR CORP n/a view
S 2000-02-14 00:00:00.0 CIENA CORP CIEN OAK ASSOCIATES LTD 5.17% view
B 1999-02-19 00:00:00.0 CIENA CORP CIEN OAK ASSOCIATES LTD 6.87% view
S 1998-09-16 00:00:00.0 CIENA CORP CIEN TELLABS INC 0.0% view
S 1998-07-09 00:00:00.0 CIENA CORP CIEN TELLABS INC 6.8% view
B 1998-06-15 00:00:00.0 CIENA CORP CIEN TELLABS INC 6.8% 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.