UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/ A

Amendment No. 1

x QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended: March 31, 2013

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______________ to ______________

Commission File Number 000-54960

Nxt-ID, Inc.

(Exact name of registrant as specified in its charter)

One Reservoir Corporate Centre

4 Research Drive, Suite 402

Shelton, CT 06484

(Address of principal executive offices and zip code)

(203) 242-3076

(Registrant’s telephone number, including area code)

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 filed such reports), and (2) has been subject to such filing 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 (Section 232.405 of this chapter) during the preceding 12 months (or 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.

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

As of July 1, 2013, there were 21,436,000 shares of common stock, $0.0001 par value, of the registrant issued and outstanding.

EXPLANATORY NOTE

We are filing this Amendment No. 1 (the “Amendment”) to our quarterly report on Form 10-Q for the quarter ended March 31, 2013, filed on June 26, 2013 (the “Original Filing”) to provide the interactive data files required by Item 601(b)(101) of Regulation S-K and Sections 405 and 406T of Regulation S-T. Additionally, we are filing amended certifications of our principal executive officer and principal financial officer as Exhibits 31.1, 31.2, 32.1 and 32.2 (the “Certifications”) as the original Certifications contained the wrong filing date. The amended Certifications will now be dated as of June 26, 2013, the date of the Original Filing.

No changes have been made to the Original Filing other than to add the information as described above. This Amendment should be read in conjunction with the Original Filing. This Amendment speaks as of the date of the Original Filing, does not reflect events that may have occurred after the date of the Original Filing and does not modify or update in any way the disclosures made in the Original Filing, except as required to reflect the revisions discussed above.

Item 6. Exhibits

In accordance with SEC Release 33-8238, Exhibits 32.1 and 32.2 are being furnished and not filed.

* Furnished herewith. XBRL (Extensible Business Reporting Language) information is furnished and not filed or a part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise is not subject to liability under these 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.

EXHIBIT INDEX

In accordance with SEC Release 33-8238, Exhibits 32.1 and 32.2 are being furnished and not filed.

* Furnished herewith. XBRL (Extensible Business Reporting Language) information is furnished and not filed or a part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise is not subject to liability under these sections.