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): March 2, 2015

AMERICAN REALTY CAPITAL PROPERTIES, INC.

ARC PROPERTIES OPERATING PARTNERSHIP, L.P.

(Exact name of Registrant as specified in its charter)

2325 E. Camelback Road, Suite 1100

Phoenix, AZ 85016

(Address of principal executive offices, including zip code)

(800) 606-3610

(Registrant’s telephone number, including area code)

(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:

Item 2.02. Results of Operations and Financial Condition.

On March 2, 2015, American Realty Capital Properties, Inc. (the “Company”) furnished the following documents (the “Documents”): (i) a press release pertaining its restatement of its fiscal year 2013 and first and second quarter 2014 financial statements and related matters, attached hereto as Exhibit 99.1; (ii) a press release pertaining to the Company’s financial results for the periods ended September 30, 2014, attached hereto as Exhibit 99.2; (iii) an investor presentation providing a business update, attached hereto as Exhibit 99.3; and (iv) quarterly supplemental information for the fiscal quarter ended September 30, 2014, attached hereto as Exhibit 99.4.

Item 7.01. Regulation FD Disclosure.

As disclosed in Item 2.02 above, on March 2, 2015, the Company issued the Documents which are attached hereto as Exhibits 99.1 through 99.4. The information set forth in Items 2.02 and 7.01 hereto and in the attached Exhibits 99.1 through 99.4 is deemed to be “furnished” and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”), as amended, or otherwise subject to the liabilities of that Section. The information set forth in Items 2.02 and 7.01, including Exhibits 99.1 through 99.4, shall not be deemed incorporated by reference into any filing under the Exchange Act or the Securities Act of 1933, as amended, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits.

SIGNATURES

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

Date: March 2, 2015

Exhibit Index