UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 FORM 10 – Q/A

Amendment No. 1

For the quarterly period ended September 30, 2012

OR

For the transition period from ___________________________

000-18122

(Commission File Number)

ARC Group Worldwide, Inc.

(Exact name of registrant as specified in its charter)

810 Flightline Blvd.,
Deland, FL 32724
(Address of principal executive offices including zip code)

(386) 736-4890
(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 file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Date File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files). Yes x No ¨

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 “small 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

As of November 1, 2012, the Registrant had 5,672,767 shares outstanding of its $.0005 par value common stock.

EXPLANATORY NOTE

ARC Group Worldwide, Inc. (the “Company”) is filing this Amendment No. 1 to its Quarterly Report on Form 10-Q (“Amendment No. 1”) for the quarter ended September 30, 2012 to correct certain errors contained in the Interactive Data Files included as exhibits as required by Part II, Item 6 (Exhibits) of Form 10-Q. We are filing this Amendment No. 1 only for the purpose of furnishing the corrected Interactive Data Files, included in Exhibits 101.INS, 101.SCH, 101.CAL, 101.DEF, 101.LAB and 101.PRE, in Part II, Item 6 of this Form 10-Q; no other information included in the Company’s Form 10-Q for the quarter ended September 30, 2012 is changed by this Amendment No. 1. In addition, this Amendment No. 1 does not reflect events that have occurred after November 14, 2012, the date we initially filed our Form 10-Q for the quarter ended September 30, 2012, nor does it modify or update those disclosures in the Form 10-Q that may have been affected by subsequent events.

Pursuant to Rule 406T of Regulation S-T, the Interactive Data Files furnished on Exhibit 101 hereto will not be deemed “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934 or otherwise subject to the liability of that section, nor will they be deemed filed or made a part of a registration statement or prospectus for purposes of Sections 11 and 12 of the Securities Act of 1933, or otherwise subject to liability under those sections.

Item 6. Exhibits

EXHIBIT INDEX

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.