Ticker Shares Person/Entity Symbol Owned (1) At the Current Market Greylock, VC SPYG 2,184,308 $0 Venrock, VC SPYG 1,669,446 $0 Tim Krauskopf, R&D SPYG 682,000 $0 Doug Colbeth, Pres SPYG 515,340 $0 Mike Tyrrell, Sales SPYG 148,750 $0
(1) Total capitalizations may have changed for transactions taking place subsequent to the filing of the S-1's.