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Home > Insider Trading > Filing (0001181431-10-034474)

Filing Details

Accession Number:: 0001181431-10-034474
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-06-23 13:00:00
Reporting Period:: 2010-06-21

Filing Date:: 2010-06-23
Accepted Time:: 2010-06-23 17:25:34
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1410172	Rubicon Technology Inc.	RBCN	Semiconductors & Related Devices (3674)	364419301

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1224360	E Michael Mikolajczyk	C/O Rubicon Technology Inc. 900 East Green St., Unit A Bensenville IL 60106		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-06-21	20,000	$28.41	94,049	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	700	Indirect	See Footnote

Footnotes

Includes 2,470 shares of restricted stock pursuant to grants that vest ratably over three years.
Mr. Mikolajczyk disclaims beneficial ownership of the common stock held by his son, Mark Mikolajczyk.