X0306 4 2014-12-31 false 0001357326 Riverbed Technology, Inc. RVBD 0001374644 Peranich David C/O RIVERBED TECHNOLOGY, INC. 680 FOLSOM STREET SAN FRANCISCO CA 94107 false true false false President,Worldwide Field Ops. Common Stock 2014-12-31 4 F false 46710 20.41 D 413238 D Common Stock 2015-01-01 4 A false 31450 0 A 444688 D This represents a disposition of shares to the company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units. This is not a sale of shares in the market. Granted pursuant to a November 2014 approval by the Compensation Committee under the Riverbed Technology, Inc. 2015 Long-Term Incentive Plan, as previously set forth on Form 8-K. The restricted stock units subject to this grant will vest and be settled in three equal annual installments on February 15 of each year beginning on February 15, 2016, subject to continued service through each vesting date. The amount of securities beneficially owned includes 1,682 shares acquired under the Riverbed Technology, Inc. 2006 Employee Stock Purchase Plan on April 30, 2014. /s/ Brett Nissenberg, Attorney in Fact For: David M. Peranich 2015-01-05