United States Semiconductors & Semiconductor Equipment

Rubicon Technology Inc (RBCN)

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Ticker: RBCN Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Brog Timothy
1 sale — total 79,462 USD
Sale 22 Feb 2023
Value US$2,895,620.91 | Price 390.89 | Shares 69,362
Sale 19 Aug 2022
Value US$611,890.45 | Price 364.83 | Shares 73,792
Sale 19 Aug 2022
Value US$3,991,730.56 | Price 389.79 | Shares 10,663
Sale 19 Aug 2022
Value US$89,440.00 | Price 20.00 | Shares 4,472
Sale 19 Aug 2022
Value US$637,020.00 | Price 20.00 | Shares 31,851
Sale 19 Aug 2022
Value US$1,166,300.00 | Price 20.00 | Shares 58,315
Buy 11 Jun 2019
Value US$16,572.08 | Price 8.08 | Shares 2,051
Buy 7 Jun 2019
Value US$2,805.96 | Price 8.04 | Shares 349
Buy 6 Jun 2019
Value US$60,800.00 | Price 8.00 | Shares 7,600
Sale 16 Nov 2017
Value US$1,774,272.00 | Price 8.00 | Shares 221,784
Buy 31 Dec 2015
Value US$46,053.00 | Price 1.19 | Shares 38,700
Buy 30 Dec 2015
Value US$49,560.00 | Price 1.20 | Shares 41,300
Sale 24 Mar 2014
Value US$31,050,000.00 | Price 12.42 | Shares 2,500,000
Sale 24 Mar 2014
Value US$31,050,000.00 | Price 12.42 | Shares 2,500,000
Planned sale 26 Apr 2013
Value US$465,909.26 | Price 7.53 | Shares 61,891
Planned sale 26 Apr 2013
Value US$465,909.26 | Price 7.53 | Shares 61,891
Planned sale 26 Mar 2013
Value US$666,610.00 | Price 6.67 | Shares 100,000
Planned sale 26 Mar 2013
Value US$666,610.00 | Price 6.67 | Shares 100,000
Planned sale 25 Mar 2013
Value US$1,250,960.00 | Price 6.25 | Shares 200,000
Planned sale 25 Mar 2013
Value US$1,250,960.00 | Price 6.25 | Shares 200,000
Sale 22 Mar 2013
Value US$493,353.24 | Price 6.04 | Shares 81,681
Sale 22 Mar 2013
Value US$493,353.24 | Price 6.04 | Shares 81,681
Buy 23 May 2011
Value US$44,052.80 | Price 22.03 | Shares 2,000
Buy 23 Feb 2011
Value US$44,980.00 | Price 22.49 | Shares 2,000
Sale 21 Jun 2010
Value US$5,682,000.00 | Price 28.41 | Shares 200,000
Sale 21 Jun 2010
Value US$113,640.00 | Price 28.41 | Shares 4,000
Sale 21 Jun 2010
Value US$14,205,000.00 | Price 28.41 | Shares 500,000
Sale 21 Jun 2010
Value US$284,100.00 | Price 28.41 | Shares 10,000
Sale 21 Jun 2010
Value US$568,200.00 | Price 28.41 | Shares 20,000
Sale 21 Jun 2010
Value US$14,205,000.00 | Price 28.41 | Shares 500,000
Sale 21 Jun 2010
Value US$2,841,000.00 | Price 28.41 | Shares 100,000
Sale 20 Aug 2009
Value US$374,073.90 | Price 11.02 | Shares 33,945
Sale 7 Aug 2009
Value US$398,880.00 | Price 11.08 | Shares 36,000
Sale 6 Jun 2008
Value US$1,494,850.50 | Price 22.77 | Shares 65,650
Sale 6 Jun 2008
Value US$1,828,567.62 | Price 22.77 | Shares 80,306
Sale 6 Jun 2008
Value US$1,494,850.50 | Price 22.77 | Shares 65,650
Sale 12 May 2008
Value US$46,766,210.04 | Price 22.77 | Shares 2,053,852
Sale 12 May 2008
Value US$12,389,544.09 | Price 22.77 | Shares 544,117
Sale 12 May 2008
Value US$12,389,544.09 | Price 22.77 | Shares 544,117
Sale 12 May 2008
Value US$46,766,210.04 | Price 22.77 | Shares 2,053,852
Sale 12 May 2008
Value US$906,405.39 | Price 22.77 | Shares 39,807
Sale 12 May 2008
Value US$3,415,500.00 | Price 22.77 | Shares 150,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2023-02-24 2023-02-22 S Sale
Brog Timothy
Non-Executive Director
69,362 -26.7%
390.89
US$2,895,621 		69,362 -26.7% 390.89 US$2,895,621
2022-08-23 2022-08-19 S Sale
3.6
Gramm Jefferson
Non-Executive Director Large shareholder
73,792 +48.9%
364.83
US$611,890 		73,792 +48.9% 364.83 US$611,890
2022-08-23 2022-08-19 S Sale
3.6
Gramm Jefferson
Non-Executive Director Large shareholder
10,663 -32.3%
389.79
US$3,991,731 		10,663 -32.3% 389.79 US$3,991,731
2022-08-22 2022-08-19 S Sale
Westphal Susan
Non-Executive Director
4,472 -50.3%
20.00
US$89,440 		4,472 -50.3% 20.00 US$89,440
2022-08-22 2022-08-19 S Sale
MIKOLAJCZYK MICHAEL E
Non-Executive Director
31,851 -50.3%
20.00
US$637,020 		31,851 -50.3% 20.00 US$637,020
2022-08-22 2022-08-19 S Sale
Brog Timothy

Chief Executive Officer

Executive Director
58,315 -50.3%
20.00
US$1,166,300 		58,315 -50.3% 20.00 US$1,166,300
2019-06-12 2019-06-11 B Purchase
Brog Timothy

Chief Executive Officer

Executive Director
2,051 +4.6%
8.08
US$16,572 		2,051 +4.6% 8.08 US$16,572
2019-06-10 2019-06-07 B Purchase
Brog Timothy

Chief Executive Officer

Executive Director
349 +0.8%
8.04
US$2,806 		349 +0.8% 8.04 US$2,806
2019-06-10 2019-06-06 B Purchase
Brog Timothy

Chief Executive Officer

Executive Director
7,600 +20.5%
8.00
US$60,800 		7,600 +20.5% 8.00 US$60,800
2017-11-20 2017-11-16 S Sale CALDWELL DONALD R
221,784 -100.0%
8.00
US$1,774,272 		221,784 -100.0% 8.00 US$1,774,272
2016-01-04 2015-12-31 B Purchase MIKOLAJCZYK MICHAEL E Non-Executive Director
38,700 +22.8%
1.19
US$46,053 		38,700 +22.8% 1.19 US$46,053
2016-01-04 2015-12-30 B Purchase MIKOLAJCZYK MICHAEL E Non-Executive Director
41,300 +32.2%
1.20
US$49,560 		41,300 +32.2% 1.20 US$49,560
2014-03-25 2014-03-24 S Sale CALDWELL DONALD R Non-Executive Director Large shareholder
2,500,000 -53.0%
12.42
US$31,050,000 		2,500,000 -53.0% 12.42 US$31,050,000
2014-03-25 2014-03-24 S Sale CROSS ATLANTIC CAPITAL PARTNERS II INC Large shareholder
2,500,000 -53.0%
12.42
US$31,050,000 		2,500,000 -53.0% 12.42 US$31,050,000
2013-04-29 2013-04-26 PlS Planned sale Cross Atlantic Capital Partners, Inc. Large shareholder
61,891 -1.3%
7.53
US$465,909 		61,891 -1.3% 7.53 US$465,909
2013-04-29 2013-04-26 PlS Planned sale CALDWELL DONALD R Non-Executive Director Large shareholder
61,891 -1.3%
7.53
US$465,909 		61,891 -1.3% 7.53 US$465,909
2013-03-26 2013-03-26 PlS Planned sale CALDWELL DONALD R Non-Executive Director Large shareholder
100,000 -2.0%
6.67
US$666,610 		100,000 -2.0% 6.67 US$666,610
2013-03-26 2013-03-26 PlS Planned sale Cross Atlantic Capital Partners, Inc. Large shareholder
100,000 -2.0%
6.67
US$666,610 		100,000 -2.0% 6.67 US$666,610
2013-03-26 2013-03-25 PlS Planned sale CALDWELL DONALD R Non-Executive Director Large shareholder
200,000 -3.8%
6.25
US$1,250,960 		200,000 -3.8% 6.25 US$1,250,960
2013-03-26 2013-03-25 PlS Planned sale Cross Atlantic Capital Partners, Inc. Large shareholder
200,000 -3.8%
6.25
US$1,250,960 		200,000 -3.8% 6.25 US$1,250,960
2013-03-26 2013-03-22 S Sale CALDWELL DONALD R Non-Executive Director Large shareholder
81,681 -1.5%
6.04
US$493,353 		81,681 -1.5% 6.04 US$493,353
2013-03-26 2013-03-22 S Sale Cross Atlantic Capital Partners, Inc. Large shareholder
81,681 -1.5%
6.04
US$493,353 		81,681 -1.5% 6.04 US$493,353
2011-05-25 2011-05-23 B Purchase Parvez Raja M

President/CEO

Executive Director
2,000 +inf%
22.03
US$44,053 		2,000 +inf% 22.03 US$44,053
2011-02-24 2011-02-23 B Purchase Weissman William F

CFO, Treasurer and Secretary

Officer
2,000 +inf%
22.49
US$44,980 		2,000 +inf% 22.49 US$44,980
2010-06-23 2010-06-21 S Sale Parvez Raja M

President, CEO & Director

Executive Director
200,000 -100.0%
28.41
US$5,682,000 		200,000 -100.0% 28.41 US$5,682,000
2010-06-23 2010-06-21 S Sale Aquilano Don N Non-Executive Director
4,000 -59.6%
28.41
US$113,640 		4,000 -59.6% 28.41 US$113,640
2010-06-23 2010-06-21 S Sale CALDWELL DONALD R Non-Executive Director Large shareholder
500,000 -8.5%
28.41
US$14,205,000 		500,000 -8.5% 28.41 US$14,205,000
2010-06-23 2010-06-21 S Sale Spencer Raymond J Non-Executive Director
10,000 -63.4%
28.41
US$284,100 		10,000 -63.4% 28.41 US$284,100
2010-06-23 2010-06-21 S Sale MIKOLAJCZYK MICHAEL E Non-Executive Director
20,000 -17.5%
28.41
US$568,200 		20,000 -17.5% 28.41 US$568,200
2010-06-23 2010-06-21 S Sale Cross Atlantic Capital Partners, Inc. Large shareholder
500,000 -8.5%
28.41
US$14,205,000 		500,000 -8.5% 28.41 US$14,205,000
2010-06-23 2010-06-21 S Sale Weissman William F

CFO, Treasurer and Secretary

Officer
100,000 -100.0%
28.41
US$2,841,000 		100,000 -100.0% 28.41 US$2,841,000
2009-08-21 2009-08-20 S Sale Aquilano Don N Non-Executive Director
33,945 -9.3%
11.02
US$374,074 		33,945 -9.3% 11.02 US$374,074
2009-08-11 2009-08-07 S Sale Aquilano Don N Non-Executive Director
36,000 -9.0%
11.08
US$398,880 		36,000 -9.0% 11.08 US$398,880
2008-06-10 2008-06-06 S Sale Cross Atlantic Capital Partners, Inc. Large shareholder
65,650 -1.1%
22.77
US$1,494,850 		65,650 -1.1% 22.77 US$1,494,850
2008-06-10 2008-06-06 S Sale Aquilano Don N Non-Executive Director Large shareholder
80,306 -5.1%
22.77
US$1,828,568 		80,306 -5.1% 22.77 US$1,828,568
2008-06-10 2008-06-06 S Sale CALDWELL DONALD R Non-Executive Director Large shareholder
65,650 -1.1%
22.77
US$1,494,850 		65,650 -1.1% 22.77 US$1,494,850
2008-05-14 2008-05-12 S Sale CALDWELL DONALD R Non-Executive Director Large shareholder
2,053,852 -25.7%
22.77
US$46,766,210 		2,053,852 -25.7% 22.77 US$46,766,210
2008-05-14 2008-05-12 S Sale Aquilano Don N Non-Executive Director Large shareholder
544,117 -25.8%
22.77
US$12,389,544 		544,117 -25.8% 22.77 US$12,389,544
2008-05-14 2008-05-12 S Sale Gazelle TechVentures, Inc. Large shareholder
544,117 -25.8%
22.77
US$12,389,544 		544,117 -25.8% 22.77 US$12,389,544
2008-05-14 2008-05-12 S Sale Cross Atlantic Capital Partners, Inc. Large shareholder
2,053,852 -25.7%
22.77
US$46,766,210 		2,053,852 -25.7% 22.77 US$46,766,210
2008-05-12 2008-05-12 S Sale Hewes Happy R

SVP-Sales, Mkt. & Asst. Sec.

Officer
39,807 -100.0%
22.77
US$906,405 		39,807 -100.0% 22.77 US$906,405
2008-05-12 2008-05-12 S Sale Parvez Raja M

President, CEO & Director

Executive Director
150,000 -100.0%
22.77
US$3,415,500 		150,000 -100.0% 22.77 US$3,415,500
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