X0303 4 2010-06-15 0 0001111632 AVISTAR COMMUNICATIONS CORP AVSR 0001230915 METCALFE ROBERT M 410 BEACON STREET BOSTON MA 02115 1 0 0 0 Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 17500 A 2020-06-15 Common Stock 17500 17500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 3500 A 2020-06-15 Common Stock 3500 21000 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 17500 A 2020-06-15 Common Stock 17500 38500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 3500 A 2020-06-15 Common Stock 3500 42000 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 16250 A 2020-06-15 Common Stock 16250 58250 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 3250 A 2020-06-15 Common Stock 3250 61500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 4000 A 2020-06-15 Common Stock 4000 65500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 20000 A 2020-06-15 Common Stock 20000 85500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 20000 A 2020-06-15 Common Stock 20000 105500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 4000 A 2020-06-15 Common Stock 4000 109500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 40000 A 2020-06-15 Common Stock 40000 149500 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 4800 A 2020-06-15 Common Stock 4800 154300 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 42900 A 2020-06-15 Common Stock 42900 197200 D Non-Qualified Stock Option (right to buy) 0.55 2010-06-15 4 A 0 1200 A 2020-06-15 Common Stock 1200 198400 D Non-Qualified Stock Option (right to buy) 0.76 2010-06-15 4 D 0 6000 D 2012-07-23 Common Stock 6000 0 D Non-Qualified Stock Option (right to buy) 0.77 2010-06-15 4 D 0 25000 D 2013-07-23 Common Stock 25000 5000 D Non-Qualified Stock Option (right to buy) 0.77 2010-06-15 4 D 0 5000 D 2013-07-23 Common Stock 5000 0 D Non-Qualified Stock Option (right to buy) 0.78 2010-06-15 4 D 0 5000 D 2014-07-21 Common Stock 5000 25000 D Non-Qualified Stock Option (right to buy) 0.78 2010-06-15 4 D 0 25000 D 2014-07-21 Common Stock 25000 0 D Non-Qualified Stock Option (right to buy) 0.9 2010-06-15 4 D 0 50000 D 2013-04-23 Common Stock 50000 0 D Non-Qualified Stock Option (right to buy) 1.54 2010-06-15 4 D 0 5000 D 2016-01-02 Common Stock 5000 25000 D Non-Qualified Stock Option (right to buy) 1.54 2010-06-15 4 D 0 25000 D 2016-01-02 Common Stock 25000 0 D Non-Qualified Stock Option (right to buy) 1.69 2010-06-15 4 D 0 25000 D 2017-01-03 Common Stock 25000 5000 D Non-Qualified Stock Option (right to buy) 1.69 2010-06-15 4 D 0 5000 D 2017-01-03 Common Stock 5000 0 D Non-Qualified Stock Option (right to buy) 2.21 2010-06-15 4 D 0 66000 D 2011-06-12 Common Stock 66000 0 D Non-Qualified Stock Option (right to buy) 2.5 2010-06-15 4 D 0 25000 D 2015-07-20 Common Stock 25000 5000 D Non-Qualified Stock Option (right to buy) 2.5 2010-06-15 4 D 0 5000 D 2015-07-20 Common Stock 5000 0 D Non-Qualified Stock Option (right to buy) 4.4375 2010-06-15 4 D 0 12000 D 2010-11-03 Common Stock 12000 0 D The option vests as to 50% of the shares on the first anniversary of the grant date, and as to 50% of the shares on the second year anniversary of the grant date, subject to continued service through each vesting date; provided, however, that the granted option fully vests and is exercisable as to 100% of the shares upon a change in control. On June 15, 2010, the issuer canceled, pursuant to the issuer's option exchange program, the eligible unexercised options granted to the reporting person. In exchange for these canceled options, the reporting person received new options to purchase the issuer's Common Stock. There is one year cliff on the total combined grant and 25% can be exercised 12 months from the date of grant. The remaining amount vests quarterly in equal installments. 25% of the shares subject to the option shall become vested and exercisable one year after the date of grant and 1/16th of the sares subject to the option shall vest at the end of each three month period thereafter 25% of the shares subject to the option shall become vested and exercisable one year after the date of grant and 1/48th of the shares subject to the option shall become vested and exercisable each month thereafter By: Elias MurrayMetzger For: Robert M. Metcalfe 2010-06-17