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CIEN - As of  05/15/24, 12:47:09 PM:   40 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
* 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.