Results of Operations

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 31, 2019   Federal Realty Investment Trust (Exact name of registrant as specified in its charter)             Maryland   1-07533   52-0782497 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)         1626 East Jefferson Street, Rockville, Maryland   20852-4041 (Address of principal executive offices)   (Zip Code) Registrant's telephone number including area code: 301/998-8100     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)) ¨ 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. Item 2.02. Results of Operations and Financial Condition. The following information is being furnished under Item 2.02-Results of Operations and Financial Condition. This information, including the exhibits attached hereto, shall not be deemed “filed” for any purpose, including for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. The information in this Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or under the Exchange Act, regardless of any general incorporation language in such filing. On May 2, 2019 , Federal Realty Investment Trust issued supplemental data pertaining to its operations, as well as a press release, to report its financial results for the quarter ended March 31, 2019 . The supplemental data and press release are furnished as Exhibit 99.1 hereto. Item 9.01.      Financial Statements and Exhibits. (c)      Exhibits 99.1      Supplemental information at March 31, 2019 (including press release dated May 2, 2019 )           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.       FEDERAL REALTY INVESTMENT TRUST         Date: May 2, 2019     /s/ Daniel Guglielmone               Daniel Guglielmone       Executive Vice President-       Chief Financial Officer and Treasurer EXHIBIT INDEX Exh No.      Exhibit                                      99.1          Supplemental Information at March 31, 2019