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): December 21, 2017

Federal Realty Investment Trust

(Exact name of registrant as specified in its charter)

1626 East Jefferson Street

Rockville, Maryland 20852-4041

(301) 998-8100

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

(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:

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

Emerging growth company  ☐

If an emerging growth company, indicate by checkmark if the registrant has elected not 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.  ☐

On December 21, 2017, Federal Realty Investment Trust (the “Registrant”) closed its underwritten public offering of $175,000,000 aggregate principal amount of 3.25% Notes due 2027 (the “Notes”). The offering was made pursuant to an underwriting agreement with Deutsche Bank Securities Inc., Goldman Sachs & Co. LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and Wells Fargo Securities, LLC, as representatives of the several underwriters named in Schedule I to the related pricing agreement.

The Notes are of the same series as the 3.25% Notes due 2027 that the Registrant first issued on June 23, 3017 and are governed by the Indenture, dated as of September 1, 1998, between the Registrant and U.S. Bank National Association (successor trustee to Wachovia Bank, National Association (successor trustee to First Union National Bank)). The Notes are senior unsecured obligations of the Registrant and rank equally with all of the Registrant’s other senior unsecured indebtedness. The Notes bear interest at 3.25% per annum, and interest will be payable on January 15 and July 15 of each year, beginning on January 15, 2018. The notes will mature on July 15, 2027 (unless redeemed prior to such date in accordance with their terms).

(d) Exhibits.

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.