Insider Trading activities of Rubicon Technology, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Rubicon Technology, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Rubicon Technology, Inc. since year 2005. Table 2 shows the detailed insider transactions of Rubicon Technology, Inc. since 2005. The reporting company's ticker symbol is RBCN. The reporting company's CIK number is 1410172.
The total value of stock buying since 2005 is $184,645.
The total value of stock sales since 2005 is $235,689,031.
The total value of stock option exercises since 2005 is $2,486,609.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Rubicon Technology, Inc. (RBCN).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 221,784 $1,774,272 414 $0
2017-06 0 $0 0 $0 15,000 $0
2017-04 0 $0 0 $0 300,000 $0
2016-12 0 $0 0 $0 33,333 $0
2016-11 0 $0 0 $0 20,812 $0
2015-12 80,000 $95,613 0 $0 0 $0
2015-11 0 $0 0 $0 4,146 $0
2014-11 0 $0 0 $0 1,156 $0
2014-03 0 $0 5,000,000 $62,100,000 0 $0
2013-04 0 $0 573,782 $4,284,780 0 $0
2013-03 0 $0 763,362 $4,821,906 0 $0
2011-05 2,000 $44,052 0 $0 0 $0
2011-02 2,000 $44,980 0 $0 0 $0
2010-06 0 $0 1,334,000 $37,898,940 378,315 $2,117,449
2009-12 0 $0 0 $0 55,144 $201,165
2009-08 0 $0 69,945 $772,953 0 $0
2008-06 0 $0 211,606 $4,818,267 0 $0
2008-05 0 $0 5,235,745 $119,217,913 39,807 $113,848
2008-04 0 $0 0 $0 10,961 $54,147
2007-11 0 $0 709,490 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Rubicon Technology, Inc. insiders (RBCN)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-16 Caldwell Donald R Sale 221,784 8.00 1,774,272
2017-11-01 Graffy Mardel A (Chief Financial Officer) Option Ex 414 .00 0
2017-06-09 Brog Timothy (President and CEO) Option Ex 15,000 .00 0
2017-04-06 Brog Timothy (President and CEO) Option Ex 300,000 .00 0
2016-12-31 Tamim Hany (Chief Operating Officer) Option Ex 33,333 .00 0
2016-11-01 Tamim Hany (Chief Operating Officer) Option Ex 16,667 .00 0
2016-11-01 Graffy Mardel A (Chief Financial Officer) Option Ex 4,145 .00 0
2015-12-31 Mikolajczyk Michael E (Director) Buy 38,700 1.19 46,053
2015-12-30 Mikolajczyk Michael E (Director) Buy 41,300 1.20 49,560
2015-11-01 Graffy Mardel A (Chief Financial Officer) Option Ex 4,146 .00 0
2014-11-01 Graffy Mardel A (VP - Financial Operations) Option Ex 1,156 .00 0
2014-03-24 Co-invest Capital Partners Inc Sale 2,500,000 12.42 31,050,000
2014-03-24 Caldwell Donald R Sale 2,500,000 12.42 31,050,000
2013-04-26 Co-invest Capital Partners Inc Sale 61,891 7.53 465,915
2013-04-26 Caldwell Donald R Sale 61,891 7.53 465,915
2013-04-25 Co-invest Capital Partners Inc Sale 225,000 7.45 1,676,475
2013-04-25 Caldwell Donald R Sale 225,000 7.45 1,676,475
2013-03-26 Co-invest Capital Partners Inc Sale 100,000 6.67 666,600
2013-03-26 Caldwell Donald R Sale 100,000 6.67 666,600
2013-03-25 Co-invest Capital Partners Inc Sale 200,000 6.25 1,251,000
2013-03-25 Caldwell Donald R Sale 200,000 6.25 1,251,000
2013-03-22 Co-invest Capital Partners Inc Sale 81,681 6.04 493,353
2013-03-22 Caldwell Donald R Sale 81,681 6.04 493,353
2011-05-23 Parvez Raja M (President/CEO) Buy 2,000 22.03 44,052
2011-02-23 Weissman William F (CFO, Treasurer and Secretary) Buy 2,000 22.49 44,980
2010-06-21 Aquilano Don N (Director) Sale 4,000 28.41 113,640
2010-06-21 Parvez Raja M (President, CEO & Director) Sale 200,000 28.41 5,682,000
2010-06-21 Co-invest Capital Partners Inc (10% Owner) Sale 500,000 28.41 14,205,000
2010-06-21 Weissman William F (CFO, Treasurer and Secretary) Sale 100,000 28.41 2,841,000
2010-06-21 Spencer Raymond J (Director) Sale 10,000 28.41 284,100
2010-06-21 Mikolajczyk Michael E (Director) Sale 20,000 28.41 568,200
2010-06-21 Caldwell Donald R (Director) Sale 500,000 28.41 14,205,000
2010-06-15 Parvez Raja M (President, CEO & Director) Option Ex 220,617 4.46 983,289
2010-06-15 Weissman William F (CFO, Treasurer and Secretary) Option Ex 134,045 6.97 934,293
2010-06-15 Mikolajczyk Michael E (Director) Option Ex 23,653 8.45 199,867
2009-12-17 Aquilano Don N (Director) Option Ex 55,144 3.65 201,165
2009-08-20 Aquilano Don N (Director) Sale 33,945 11.02 374,073
2009-08-07 Aquilano Don N (Director) Sale 36,000 11.08 398,880
2008-06-06 Aquilano Don N (Director) Sale 80,306 22.77 1,828,567
2008-06-06 Co-invest Capital Partners Inc (10% Owner) Sale 65,650 22.77 1,494,850
2008-06-06 Caldwell Donald R (Director) Sale 65,650 22.77 1,494,850
2008-05-12 Aquilano Don N (Director) Sale 544,117 22.77 12,389,544
2008-05-12 Hewes Happy R (SVP-Sales, Mkt. & Asst. Sec.) Sale 39,807 22.77 906,405
2008-05-12 Co-invest Capital Partners Inc (10% Owner) Sale 2,053,852 22.77 46,766,210
2008-05-12 Caldwell Donald R (Director) Sale 2,053,852 22.77 46,766,210
2008-05-12 Gazelle Techventures Fund Lp (10% Owner) Sale 544,117 22.77 12,389,544
2008-05-08 Hewes Happy R (SVP-Sales, Mkt. & Asst. Sec.) Option Ex 39,807 2.86 113,848
2008-04-16 Mikolajczyk Michael E (Director) Option Ex 10,961 4.94 54,147
2007-11-21 Aquilano Don N (Director) Sale 354,745 .00 0
2007-11-21 Gazelle Techventures Fund Lp (10% Owner) Sale 354,745 .00 0

Insider trading activities including stock purchases, stock sales, and option exercises of RBCN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Rubicon Technology, Inc. (symbol RBCN, CIK number 1410172) see the Securities and Exchange Commission (SEC) website.