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Rubicon Technology Inc (RBCN)  
$1.00 0.20 (25%) as of 4:30 Wed 3/27


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Exchange: Nasdaq National Market
Security Type: Common
Shares Out: 2,724,000
Market Cap: 2.72(M)
Last Volume: 0 Avg Vol: 0
52 Week Range: $0.53 - $1.9
Level I Sector: Information Technology
Level II Sector: Electronics
Level III Sector: Semiconductor - Specialized

Member Indexes:

   

Rankings:

     
Insider 3 Months    :   -
Insider 6 Months    :   -
Insider 3/6 Months :   -
Guru Rank Number :  -
Guru Rank Value     :  -
Guru Occurances    :  -

 

            6 Months   1 Year   2 Year  
 
Company Profile   Rubicon Technology is operating through its subsidiary, Rubicon Technology Worldwide LLC (RTW). RTW is a materials provider specializing in monocrystalline sapphire for applications in optical and industrial systems. Co. provides optical and industrial sapphire products in various shapes and sizes, including round and rectangular windows and blanks, domes, tubes and rods. These optical sapphire products are used in equipment for a variety of end markets and applications, including defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical and laser applications.


 
 
Summary  (Direct Transactions Only) 3 Months 6 Months 12 Months 24 Months
Total Shares Bought 0 0 0 0
Total Buy Value $0 $0 $0 $0
Total People Bought 0 0 0 0
Total Buy Transactions 0 0 0 0
Total Shares Sold 0 0 0 280,254
Total Sell Value $0 $0 $0 $4,632,062
Total People Sold 0 0 0 4
Total Sell Transactions 0 0 0 6
End Date 2023-12-28 2023-09-26 2023-03-28 2022-03-28

   
Records found: 99
  Page 1 of 4  
Filer's Name Relation Title Off-Dir-10% Tran. Date Form Action Price Mkt Value D/I Shares Holdings
Rank

 
3m +/-  
Form
   Brog Timothy E Director   –       •      –    2023-02-22 4 S $1.51 $79,462 D/D (52,624) 4,969 13%     
   Seirer Darren Clay Director   –       •       •   2022-08-19 3 IO $0.00 $0 I/I 0 451,842 -90%     
   Schulte Dominique   –       –       •   2022-08-19 3 IO $0.00 $0 D/D 0 1,108,000 -90%     
   Bylinsky Gregory See Footnote 1   –       –       •   2022-08-19 4 S $20.00 $2,598,660 I/I (129,933) 128,323 90%     
   Bylinsky Gregory See Footnote 1   –       –       •   2022-08-19 4 S $20.00 $61,180 D/D (3,059) 3,021 90%     
   Mikolajczyk Michael E Director   –       •      –    2022-08-19 4 S $20.00 $637,020 D/D (31,851) 31,456 90%     
   Brog Timothy E Chief Executive Officer   •       •      –    2022-08-19 4 S $20.00 $1,166,300 D/D (58,315) 57,593 90%     
   Westphal Susan Director   –       •      –    2022-08-19 4 S $20.00 $89,440 D/D (4,472) 4,416 90%     
   Gramm Jefferson Director   –       •       •   2022-07-29 4 A $0.00 $0 D/D 1,010 5,454     -
   Westphal Susan Director   –       •      –    2022-07-29 4 A $0.00 $0 D/D 1,010 8,888     -
   Mikolajczyk Michael E Director   –       •      –    2022-07-29 4 A $0.00 $0 D/D 1,010 63,307     -
   Brog Timothy E Chief Executive Officer   •       •      –    2022-07-18 4 D $16.06 $101,917 D/D (6,346) 115,908     -
   Brog Timothy E Chief Executive Officer   •       •      –    2022-07-18 4 OE $0.00 $0 D/D 12,500 122,254     -
   Brog Timothy E Chief Executive Officer   •       •      –    2022-07-13 4 D $15.84 $100,521 D/D (6,346) 109,754     -
   Brog Timothy E Chief Executive Officer   •       •      –    2022-07-13 4 OE $0.00 $0 D/D 12,500 116,100     -
   Westphal Susan Director   –       •      –    2021-06-23 4 A $0.00 $0 D/D 1,250 7,878     -
   Mikolajczyk Michael E Director   –       •      –    2021-06-23 4 A $0.00 $0 D/D 1,250 62,297     -
   Gramm Jefferson Director   –       •       •   2021-06-23 4 A $0.00 $0 D/D 1,250 4,444     -
   Brog Timothy E President and CEO   •       •      –    2021-04-06 4 D $10.81 $161,610 D/D (14,950) 103,600     -
   Brog Timothy E President and CEO   •       •      –    2021-04-06 4 A $0.00 $0 D/D 31,550 118,550     -
   Brog Timothy E President and CEO   •       •      –    2020-10-19 4 D $8.50 $44,880 D/D (5,280) 87,000     -
   Brog Timothy E President and CEO   •       •      –    2020-10-19 4 OE $0.00 $0 D/D 17,280 92,280     -
   Gramm Jefferson Director   –       •       •   2020-07-15 4 A $0.00 $0 D/D 1,199 3,194     -
   Mikolajczyk Michael E Director   –       •      –    2020-07-15 4 A $0.00 $0 D/D 1,199 61,047     -
   Westphal Susan Director   –       •      –    2020-07-15 4 A $0.00 $0 D/D 1,199 6,628     -

  99 Records found
  1  2  3  4   
  Page 1 of 4
  Transaction Code Key: Ownership Code Key
  B - Buy AB - Automatic Buy D - Direct Ownership
  S - Sell AS - Automatic Sell I - Indirect Ownership
  OE - Options Exercised A - Acquired
  IO - Initital Ownership D - Disposed