X0306 4/A 2014-03-04 2014-03-05 0 0001490660 Marketo, Inc. MKTO 0001576479 Binch William B Jr 901 MARINERS ISLAND BLVD SAN MATEO CA 94404 0 1 0 0 EVP, Worldwide Field Ops Common Stock 2014-03-04 4 M 0 5000.0 2.38 A 54350 D Common Stock 2014-03-04 4 S 0 5000.0 40.1869 D 49350 D Incentive Stock Option (right to buy) 2.38 2014-03-04 4 M 0 5000.0 0.0 D 2021-01-24 Common Stock 5000 68921 D The Form 4 filed on March 5, 2014 reporting the sale by William B. Binch of 5,000 shares of common stock of Marketo, Inc. did not report Mr. Binch's prior exercise of options representing 5,000 shares. This Form 4/A includes the option exercise. These shares were sold pursuant to a 10b5-1 plan entered into by Mr. Binch on 8/17/2013. This transaction was executed in multiple trades at prices ranging from $39.91 to $40.35 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. The option is subject to an early exercise provision and is immediately exercisable. One-fourth of the shares subject to the option vested on January 25, 2012 and one forty-eighth of the shares vest monthly thereafter. By: Margaretta Smith For: William Binch 2014-03-14