SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

For the quarterly period ended June 30, 2014

OR

For the transition period from                      to                     

Commission File No. 333-194475

Melrose Bancorp, Inc.

(Exact name of registrant as specified in its charter)

(781) 665-2500

(Registrant’s telephone number)

N/A

(Former name or former address, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such requirements for the past 90 days.    YES  ¨    NO  x

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    YES  ¨    NO  x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    YES  ¨    NO  x

No shares of the Registrant’s common stock, par value $0.01 per share, were issued and outstanding as of October 9, 2014.

EXPLANATORY NOTE

Melrose Bancorp, Inc. (the “Company”) is filing this Amendment No. 1 (the “Amendment No. 1”) to its Quarterly Report on Form 10-Q for the quarter ended June 30, 2014, which was originally filed on September 23, 2014 (the “Original Filing”) for the sole purpose of furnishing Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T. Exhibit 101 to Amendment No. 1 provides the consolidated financial statements and related notes from the Form 10-Q formatted in XBRL (eXtensible Business Reporting Language).

Other than the addition of Exhibit 101, no other changes have been made to the Original Filing.

This Amendment No.1 does not reflect events that may have occurred subsequent to the filing date of the Original Filing, and does not modify or update in any way disclosures made in the Form 10-Q for the quarter ended June 30, 2014.

Pursuant to Rule 406T of Regulation S-T, the interactive data files contained in Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

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, thereunto duly authorized.