Weissman William F 4

4 · Rubicon Technology, Inc. · Filed Jun 18, 2010

Form 4

Period: 2010-06-15

CFO, Treasurer and Secretary

Transactions

Tax Payment
Common Stock
2010-06-15$30.01/sh−3,906$117,219→ 9,965 total
Exercise/Conversion
Stock Option (Right to Buy)
2010-06-15−25,000→ 75,000 total
Exercise: $4.01Exp: 2019-02-27→ Common Stock (25,000 underlying)
Exercise/Conversion
Common Stock
2010-06-15$8.45/sh+13,871$117,210→ 13,871 total
Exercise/Conversion
Common Stock
2010-06-15$4.01/sh+25,000$100,250→ 34,965 total
Tax Payment
Common Stock
2010-06-15$30.01/sh−3,341$100,263→ 31,624 total
Exercise/Conversion
Stock Option (Right to Buy)
2010-06-15−13,871→ 1,513 total
Exercise: $8.45Exp: 2017-06-18→ Common Stock (13,871 underlying)
Exercise/Conversion
Stock Option (Right to Buy)
2010-06-15−95,174→ 95,174 total
Exercise: $8345.00Exp: 2017-08-29→ Common Stock (95,174 underlying)
Exercise/Conversion
Common Stock
2010-06-15$8.45/sh+95,174$804,220→ 126,798 total
Tax Payment
Common Stock
2010-06-15$30.01/sh−26,798$804,208→ 100,000 total

Footnotes (4)

[F1]The Common Stock Options were held and converted, on a net issuance basis, into 100,000 shares of Common Stock.
[F2]These options vested immediately upon the consummation of the initial public offering of the company on November 15, 2007.
[F3]Options vest at the rate of 25% of the total option grant on each of the first four anniversaries of February 27, 2009.
[F4]The options vest at the rate of 25% of the total options on each of the first four anniversaries of the date of grant beginning on August 1, 2008.

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