UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 30, 2012

INNERWORKINGS, INC.

(Exact name of registrant as specified in its charter)

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))

(e) On April 30, 2012, InnerWorkings, Inc. (the “Company”) entered into an Amended and Restated Employment Agreement with Joseph Busky (the “Agreement”) pursuant to which Mr. Busky will continue to serve as the Company’s Chief Financial Officer. The Agreement, which expires on December 31, 2016, unless earlier terminated, provides that Mr. Busky will receive a base salary of $450,000 per annum. He is also entitled to 12 months of severance pay and accelerated vesting of certain equity awards upon his termination of employment under certain circumstances. The foregoing description of the Agreement is qualified in its entirety by reference to the actual terms of the Agreement, which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

SIGNATURES

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

Exhibit Index