Gramm Jefferson is Director of Rubicon Technology, Inc.. Currently has a direct ownership of 3,021 shares of RBCN, which is worth approximately $5,316. The most recent transaction as insider was on Aug 19, 2022, when has been sold 3,059 shares (Common Stock, $0.001 par value per share) at a price of $20.0 per share, resulting in proceeds of $61,180. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 3.02K
0% 3M change
0% 12M change
Total Value Held $5,316

Gramm Jefferson Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 19 2022
SELL
Open market or private sale
$61,180 $20.0 p/Share
3,059 Reduced 50.31%
3,021 Common Stock, $0.001 p...
Jul 29 2022
BUY
Grant, award, or other acquisition
-
1,010 Added 15.63%
5,454 Common Stock
Jun 23 2021
BUY
Grant, award, or other acquisition
-
1,250 Added 21.95%
4,444 Common Stock
Jul 15 2020
BUY
Grant, award, or other acquisition
-
1,199 Added 27.29%
3,194 Common Stock
May 29 2019
BUY
Grant, award, or other acquisition
-
1,391 Added 41.08%
1,995 Common Stock
Mar 16 2018
BUY
Grant, award, or other acquisition
-
626 Added 33.73%
1,230 Common Stock
Jan 02 2018
BUY
Grant, award, or other acquisition
-
604 Added 50.0%
604 Common Stock

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Gramm Jefferson

Director
Bensenville, IL

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