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Date Action Amount Person Type
Feb 22, 2023 Sell 52 624 Brog Timothy Common Stock
Aug 19, 2022 Buy 0 Eidinger John Common Stock
Aug 19, 2022 Buy 0 Seirer Darren Clay Common Stock
Aug 19, 2022 Buy 0 Janel Corp Common Stock, par value $0.001 per share
Aug 19, 2022 Sell 129 933 Bylinsky Gregory Common Stock, $0.001 Par Value Per Share
Aug 19, 2022 Sell 129 933 Gramm Jefferson Common Stock, $0.001 Par Value Per Share
Aug 19, 2022 Sell 3 059 Gramm Jefferson Common Stock, $0.001 Par Value Per Share
Aug 19, 2022 Sell 58 315 Brog Timothy Common Stock
Aug 19, 2022 Sell 31 851 Mikolajczyk Michael E Common Stock
Aug 19, 2022 Sell 4 472 Westphal Susan Common Stock
Jul 29, 2022 Buy 1 010 Gramm Jefferson Common Stock
Jul 29, 2022 Buy 1 010 Mikolajczyk Michael E Common Stock
Jul 29, 2022 Buy 1 010 Westphal Susan Common Stock
Jul 18, 2022 Buy 12 500 Brog Timothy Common Stock
Jul 18, 2022 Sell 6 346 Brog Timothy Common Stock
Jul 13, 2022 Buy 12 500 Brog Timothy Common Stock
Jul 13, 2022 Sell 6 346 Brog Timothy Common Stock
Dec 28, 2021 Buy 25 000 Brog Timothy Restricted Stock Units
Jun 24, 2021 Buy 1 010 Mikolajczyk Michael E Restricted Stock Units
Jun 24, 2021 Buy 1 010 Westphal Susan Restricted Stock Units
Jun 24, 2021 Buy 1 010 Gramm Jefferson Restricted Stock Units
Jun 23, 2021 Buy 1 250 Mikolajczyk Michael E Common Stock
Jun 23, 2021 Buy 1 250 Westphal Susan Common Stock
Jun 23, 2021 Buy 1 250 Gramm Jefferson Common Stock
Apr 06, 2021 Buy 31 550 Brog Timothy Common Stock
Apr 06, 2021 Sell 14 950 Brog Timothy Common Stock
Mar 17, 2021 Buy 0 Lusardi Kevin Timothy Common Stock
Mar 17, 2021 Buy 9 000 Lusardi Kevin Timothy Restricted Stock Unit
Oct 19, 2020 Buy 17 280 Brog Timothy Common Stock
Oct 19, 2020 Sell 5 280 Brog Timothy Common Stock
Jul 16, 2020 Buy 1 250 Gramm Jefferson Restricted Stock Units
Jul 16, 2020 Buy 1 250 Mikolajczyk Michael E Restricted Stock Units
Jul 16, 2020 Buy 1 250 Westphal Susan Restricted Stock Units
Jul 15, 2020 Buy 1 199 Gramm Jefferson Common Stock
Jul 15, 2020 Buy 1 199 Mikolajczyk Michael E Common Stock
Jul 15, 2020 Buy 1 199 Westphal Susan Common Stock
May 14, 2020 Buy 0 Bandera Partners Llc Common Stock
Nov 18, 2019 Buy 0 Rich Mathew Jason Common Stock
Nov 18, 2019 Buy 9 000 Rich Mathew Jason Restricted Stock Unit
Sep 30, 2019 Buy 49 000 Brog Timothy Common Stock
Sep 30, 2019 Sell 21 000 Brog Timothy Common Stock
Jun 11, 2019 Buy 2 051 Brog Timothy Common Stock
Jun 10, 2019 Sell 12 818 Mikolajczyk Michael E Common Stock
Jun 07, 2019 Buy 349 Brog Timothy Common Stock
Jun 06, 2019 Buy 7 600 Brog Timothy Common Stock
May 30, 2019 Buy 1 199 Gramm Jefferson Restricted Stock Units
May 30, 2019 Buy 1 199 Westphal Susan Restricted Stock Units
May 30, 2019 Buy 1 199 Mikolajczyk Michael E Restricted Stock Units
May 29, 2019 Buy 1 391 Gramm Jefferson Common Stock
May 29, 2019 Buy 1 391 Westphal Susan Common Stock
May 29, 2019 Buy 1 391 Mikolajczyk Michael E Common Stock
Dec 04, 2018 Buy 5 000 Mikolajczyk Michael E Common Stock
Dec 03, 2018 Buy 15 215 Mikolajczyk Michael E Common Stock
Nov 30, 2018 Buy 9 329 Mikolajczyk Michael E Common Stock
Nov 29, 2018 Buy 358 Mikolajczyk Michael E Common Stock
Nov 28, 2018 Buy 387 Mikolajczyk Michael E Common Stock
Nov 27, 2018 Buy 4 711 Mikolajczyk Michael E Common Stock
Jul 06, 2018 Buy 219 Slavutsky Inga A Common Stock
Jul 06, 2018 Sell 81 Slavutsky Inga A Common Stock
Jun 04, 2018 Buy 0 Slavutsky Inga A Common Stock
Jun 04, 2018 Buy 3 750 Slavutsky Inga A Employee Stock Option (Right to Buy)
Jun 04, 2018 Buy 219 Slavutsky Inga A Restricted Stock Unit
May 10, 2018 Buy 1 391 Westphal Susan Restricted Stock Units
May 10, 2018 Buy 1 391 Mikolajczyk Michael E Restricted Stock Units
May 10, 2018 Buy 1 391 Gramm Jefferson Restricted Stock Units
Mar 16, 2018 Buy 626 Westphal Susan Common Stock
Mar 16, 2018 Buy 626 Mikolajczyk Michael E Common Stock
Mar 16, 2018 Buy 626 Gramm Jefferson Common Stock
Jan 03, 2018 Buy 444 Graffy Mardel A Restricted Stock Units
Jan 02, 2018 Buy 1 175 Westphal Susan Common Stock
Jan 02, 2018 Buy 1 269 Mikolajczyk Michael E Common Stock
Jan 02, 2018 Buy 604 Gramm Jefferson Common Stock
Jan 01, 2018 Buy 30 902 Brog Timothy Restricted Stock Units
Nov 16, 2017 Sell 221 784 Caldwell Donald R Common Stock
Nov 16, 2017 Buy 0 Gramm Jefferson Common Stock
Nov 01, 2017 Buy 414 Graffy Mardel A Common Stock
Nov 01, 2017 Sell 130 Graffy Mardel A Common Stock
Nov 01, 2017 Sell 115 Graffy Mardel A Restricted Stock Units
Sep 30, 2017 Buy 1 106 Westphal Susan Common Stock
Sep 30, 2017 Buy 1 247 Mikolajczyk Michael E Common Stock
Sep 30, 2017 Buy 1 228 Caldwell Donald R Common Stock
Sep 30, 2017 Buy 1 914 Aquilano Don N Common Stock
Jun 30, 2017 Buy 964 Westphal Susan Common Stock
Jun 30, 2017 Buy 1 101 Mikolajczyk Michael E Common Stock
Jun 30, 2017 Buy 1 084 Caldwell Donald R Common Stock
Jun 30, 2017 Buy 1 689 Aquilano Don N Common Stock
Jun 09, 2017 Buy 15 000 Brog Timothy Common Stock
Jun 09, 2017 Sell 5 759 Brog Timothy Common Stock
May 12, 2017 Sell 30 902 Brog Timothy Restricted Stock Units
Apr 06, 2017 Buy 300 000 Brog Timothy Common Stock
Apr 06, 2017 Sell 138 000 Brog Timothy Common Stock
Mar 31, 2017 Buy 10 393 Spencer Raymond J Common Stock
Mar 31, 2017 Buy 1 673 Westphal Susan Common Stock
Mar 31, 2017 Buy 11 720 Mikolajczyk Michael E Common Stock
Mar 31, 2017 Buy 10 831 Caldwell Donald R Common Stock
Mar 31, 2017 Buy 9 020 Brog Timothy Common Stock
Mar 31, 2017 Buy 17 991 Aquilano Don N Common Stock
Mar 17, 2017 Buy 0 Westphal Susan
Mar 15, 2017 Buy 900 000 Brog Timothy Restricted Stock Units
Oct 01, 2016 Sell 13 158 Aquilano Don N Common Stock
INSIDER POWER
-39.529
Last 100 transactions
Buy: 1 567 765 | Sell: 886 856 (Shares)

Based on the 100 latest insides trades, we have calculated the insider power to be negative at a ratio of -39.529.

In total, the insiders bought 1 567 765 and sold 886 856 RBCN shares in the last 100 trades.

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About Rubicon Technology

Rubicon Technology Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America and Asia. The company offers optical and industrial sapphire products in various shapes and sizes, including round and rectangular windows and wafers, domes, tubes, and rods for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipm... RBCN Profile

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StockInvest.us featured in The Global Fintech Index 2020 as the top Fintech company of the country.

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