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): May 18, 2017

Ritchie Bros. Auctioneers Incorporated

(Exact name of registrant as specified in its charter)

Canada	001-13425	N/A
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification Number)

9500 Glenlyon Parkway, Burnaby, British Columbia, Canada V5J0C6
(Address of principal executive offices) (Zip Code)

(778) 331-5500

(Registrant's telephone number, including area code)

N/A

(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 (see General Instruction A.2. below):

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

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

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

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

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 7.01 Regulation FD Disclosure

The information furnished on Exhibit 99.1 is hereby incorporated by reference under this Item 7.01 as if fully set forth herein.

The information presented herein under Item 7.01 shall not be deemed “filed” under the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as may be expressly set forth by specific reference in such a filing.

Item 8.01 Other Events

On May 18, 2017, Ritchie Bros. Auctioneers Incorporated (the “Company”) and IronPlanet Holdings, Inc. (“IronPlanet”) issued a joint press release announcing that the U.S. Department of Justice has granted termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, in connection with the Company’s proposed acquisition of IronPlanet.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits:

99.1 Joint press release from the Company and IronPlanet, dated May 18, 2017, entitled “Ritchie Bros. and IronPlanet Secure Unconditional Antitrust Clearance from the U.S. Department of Justice; Acquisition is Expected to Close in the Next Few Weeks”

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.

RITCHIE BROS. AUCTIONEERS INCORPORATED
By:	/s/ Darren Watt
	Darren Watt
	General Counsel & Corporate Secretary

Date:  May 18, 2017

EXHIBIT INDEX

Exhibit No.	Description
99.1	Joint press release from the Company and IronPlanet, dated May 18, 2017, entitled “Ritchie Bros. and IronPlanet Secure Unconditional Antitrust Clearance from the U.S. Department of Justice; Acquisition is Expected to Close in the Next Few Weeks”