X0306 4 2013-09-09 0 0000797721 VIASAT INC VSAT 0001033482 DANKBERG MARK D 6155 EL CAMINO REAL CARLSBAD CA 92009 1 1 0 0 Chief Executive Officer $0.0001 par value common stock 2013-09-09 4 M 0 20000 18.25 A 20000 D $0.0001 par value common stock 2013-09-09 4 S 0 20000 64.08 D 0 D $0.0001 par value common stock 1149 I By 401(k) $0.0001 par value common stock 1539596 I By Trust stock option (right to buy) 18.25 2013-09-09 4 M 0 20000 0.00 D 2013-12-18 common stock 20000 0 D Transaction pursuant to Rule 10b5-1 Trading Plan adopted on August 9, 2013. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.65 to $64.40, inclusive. The Reporting Person undertakes to provide ViaSat, Inc., any security holder of ViaSat, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) of this form. The option originally vested in five (5) equal annual installments beginning on December 18, 2004 and ending on December 18, 2008. On March 30, 2006, the vesting was accelerated. Kathleen K. Hollenbeck, under power of attorney 2013-09-10