UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K/A

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 7, 2015

Marketo, Inc.

(Exact Name of Registrant as Specified in its Charter)

901 Mariners Island Blvd., Suite 500
San Mateo, California 94404

(Address of principal executive offices, Zip code)

(650) 376-2300

(Registrant’s telephone number, including area code)

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

EXPLANATORY NOTE

Marketo, Inc. (the “Company”) is filing this Amendment No. 1 on Form 8-K/A to report the appointment of Ms. Lynne Biggar to the Company’s Compensation and Leadership Development Committee (the “CLDC”) on August 13, 2015.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

As previously disclosed in the Company’s Current Report on Form 8-K filed on July 7, 2015, the Board of Directors (the “Board”) of the Company appointed Ms. Biggar as a class II director effective July 7, 2015. At the time of the appointment, the Board committee assignments for Ms. Biggar had not yet been determined.

On August 13, 2015, the Board, upon the recommendation of the CLDC, appointed Ms. Biggar to the CLDC, effective immediately. Following her appointment, the CLDC is comprised of Ms. Susan Bostrom (chairperson), Ms. Biggar, and Messrs. Doug Pepper and Wes Wasson.

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 14, 2015

3