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RBCN - As of  04/30/25, 09:29:00 AM:   70 Insider Transactions.

Sector: Technology    Industry: Semiconductor - Specialized
Prev Close:$0.65  Avg Vol(3m): 125,198  P/E: 0.00  EPS: -2.98

Email this page to a friend.    Insider Transactions for RBCN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-09-14 16:03:49.0 Rubicon Technology RBCN Bandera Partners LLC 10.9% view
S 2020-02-14 08:58:44.0 Rubicon Technology RBCN ARIEL INVESTMENTS 2.9% view
S 2019-02-14 09:11:54.0 Rubicon Technology RBCN ARIEL INVESTMENTS 5.3% view
B 2018-02-13 13:34:54.0 Rubicon Technology RBCN ARIEL INVESTMENTS 6.7% view
B 2017-12-05 13:42:04.0 Rubicon Technology RBCN Sententia Capital Management 5.24% view
B 2017-12-04 15:54:11.0 Rubicon Technology RBCN Sententia Capital Management 5.24% view
B 2017-11-17 16:59:45.0 Rubicon Technology RBCN Bandera Partners LLC 9.5% view
S 2017-09-11 11:25:25.0 Rubicon Technology RBCN FMR LLC 4.816% view
B 2017-06-30 14:14:18.0 Rubicon Technology RBCN Aldebaran Capital 5.8% view
S 2017-06-09 09:51:23.0 Rubicon Technology RBCN ARIEL INVESTMENTS 6.7% view
S 2017-02-14 11:51:58.0 Rubicon Technology RBCN FMR LLC 10.299% view
S 2017-02-14 09:12:23.0 Rubicon Technology RBCN ARIEL INVESTMENTS 12.1% view
S 2016-11-10 12:08:49.0 Rubicon Technology RBCN ARIEL INVESTMENTS 12.6% view
S 2016-04-08 09:04:30.0 Rubicon Technology RBCN COLUMBIA WANGER ASSET MANAGEMENT LLC n/a view
B 2016-04-06 17:04:01.0 Rubicon Technology RBCN ECOFIN LTD 3.2% view
S 2016-02-12 11:28:08.0 Rubicon Technology RBCN ARIEL INVESTMENTS 18.2% view
S 2016-02-03 15:09:48.0 Rubicon Technology RBCN ROYCE & ASSOCIATES LLC 3.72% view
S 2016-01-20 09:54:34.0 Rubicon Technology RBCN COLUMBIA WANGER ASSET MANAGEMENT LLC 11.0% view
B 2015-09-10 12:29:18.0 Rubicon Technology RBCN ARIEL INVESTMENTS 19.8% view
S 2015-07-10 12:47:20.0 Rubicon Technology RBCN BlackRock Inc 2.3% view
S 2015-05-06 13:06:16.0 Rubicon Technology RBCN Cross Atlantic Capital Partners 9.5% view
B 2015-02-13 10:37:48.0 Rubicon Technology RBCN ARIEL INVESTMENTS 14.6% view
B 2015-02-13 10:34:04.0 Rubicon Technology RBCN FMR LLC 12.005% view
B 2015-02-10 10:01:53.0 Rubicon Technology RBCN COLUMBIA WANGER ASSET MANAGEMENT LLC 13.0% view
B 2015-02-09 11:45:59.0 Rubicon Technology RBCN COLUMBIA WANGER ASSET MANAGEMENT LLC 9.8% view
S 2015-01-21 13:23:39.0 Rubicon Technology RBCN ROYCE & ASSOCIATES LLC 5.8% view
B 2014-12-10 11:50:46.0 Rubicon Technology RBCN FMR LLC 11.069% view
B 2014-11-10 11:37:19.0 Rubicon Technology RBCN ARIEL INVESTMENTS 13.8% view
S 2014-10-02 15:33:04.0 Rubicon Technology RBCN MASSACHUSETTS FINANCIAL SERVICES CO 2.5% view
B 2014-09-10 10:21:30.0 Rubicon Technology RBCN ARIEL INVESTMENTS 8.1% view
S 2014-04-10 11:36:27.0 Rubicon Technology RBCN ARIEL INVESTMENTS 3.0% view
B 2014-02-14 12:11:23.0 Rubicon Technology RBCN ARIEL INVESTMENTS 8.6% view
B 2014-02-14 06:56:29.0 Rubicon Technology RBCN FMR LLC 6.742% view
B 2014-02-13 11:04:49.0 Rubicon Technology RBCN MASSACHUSETTS FINANCIAL SERVICES CO 12.9% view
S 2014-02-06 10:42:31.0 Rubicon Technology RBCN SIGNIA CAPITAL MANAGEMENT LLC 0.0% view
B 2014-01-30 11:39:39.0 Rubicon Technology RBCN BlackRock Inc 7.3% view
B 2014-01-13 16:32:36.0 Rubicon Technology RBCN ROYCE & ASSOCIATES LLC 8.3% view
B 2013-12-05 16:52:35.0 Rubicon Technology RBCN MASSACHUSETTS FINANCIAL SERVICES CO 12.8% view
B 2013-02-05 10:07:38.0 Rubicon Technology RBCN BlackRock Inc 6.4% view
B 2013-01-18 16:31:11.0 Rubicon Technology RBCN SIGNIA CAPITAL MANAGEMENT LLC 6.16% view
S 2012-10-29 16:59:43.0 Rubicon Technology RBCN Sparta Asset Management 0.0% view
S 2012-02-13 15:12:08.0 Rubicon Technology RBCN SAM Sustainable Asset Management Ltd n/a view
B 2012-02-09 13:15:11.0 Rubicon Technology RBCN BlackRock Inc 5.89% view
B 2012-02-09 09:06:19.0 Rubicon Technology RBCN Sparta Asset Management 10.09% view
S 2012-02-09 08:54:48.0 Rubicon Technology RBCN Sparta Asset Management 9.98% view
B 2011-11-14 07:14:00.0 Rubicon Technology RBCN Sparta Asset Management 10.15% view
S 2011-08-10 15:13:55.0 Rubicon Technology RBCN FMR LLC 0.002% view
S 2011-02-14 18:27:54.0 Rubicon Technology RBCN FMR LLC 6.391% view
S 2011-02-14 13:48:31.0 Rubicon Technology RBCN SAM Sustainable Asset Management Ltd 6.19% view
S 2011-02-14 13:26:13.0 Rubicon Technology RBCN ADAGE CAPITAL PARTNERS GP LLC 2.88% view
S 2011-02-10 12:22:00.0 Rubicon Technology RBCN PRICE T ROWE ASSOCIATES INC 0.9% view
B 2010-11-19 10:56:00.0 Rubicon Technology RBCN ADAGE CAPITAL PARTNERS GP LLC 5.29% view
S 2010-10-12 08:36:58.0 Rubicon Technology RBCN FMR LLC 6.865% view
B 2010-09-30 17:45:34.0 Rubicon Technology RBCN SAM Sustainable Asset Management Ltd 10.27% view
S 2010-02-16 16:16:45.0 Rubicon Technology RBCN Cross Atlantic Capital Partners 30.38% view
S 2010-02-16 14:29:01.0 Rubicon Technology RBCN GAZELLE TECHVENTURES FUND LP n/a view
B 2010-02-16 12:53:47.0 Rubicon Technology RBCN FMR LLC 12.797% view
B 2010-02-12 14:35:23.0 Rubicon Technology RBCN PRICE T ROWE ASSOCIATES INC 9.4% view
S 2009-05-14 07:42:54.0 Rubicon Technology RBCN SAM Sustainable Asset Management Ltd 4.99% view
B 2009-03-06 12:11:07.0 Rubicon Technology RBCN SAM Sustainable Asset Management Ltd 17.0% view
S 2009-02-17 14:42:44.0 Rubicon Technology RBCN GAZELLE TECHVENTURES FUND LP 7.2% view
S 2009-02-17 13:48:33.0 Rubicon Technology RBCN KB Partners Venture Fund II 0.0% view
B 2009-02-12 17:57:58.0 Rubicon Technology RBCN PRICE T ROWE ASSOCIATES INC 6.3% view
B 2009-02-12 13:55:33.0 Rubicon Technology RBCN BAMCO INC 9.9% view
S 2008-06-10 09:32:57.0 Rubicon Technology RBCN FMR LLC n/a view
B 2008-02-14 17:25:12.0 Rubicon Technology n/a Cross Atlantic Capital Partners 40.62% view
B 2008-02-14 16:35:18.0 Rubicon Technology n/a FMR LLC n/a view
B 2008-02-14 13:39:43.0 Rubicon Technology n/a GAZELLE TECHVENTURES FUND LP 10.7% view
B 2008-02-14 10:49:38.0 Rubicon Technology n/a KB Partners Venture Fund II 6.53% view
B 2008-02-12 11:22:01.0 Rubicon Technology n/a BAMCO INC 5.9% 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.