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 and Exchange Act of 1934

Date of Report (Date of earliest event reported): September 11, 2018

PGT Innovations, Inc.

(Exact Name of Registrant as Specified in Its Charter)

Registrant’s telephone number, including area code (941) 480-1600

(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 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 check mark if the registrant has elected not to 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 September 11, 2018, PGT Innovations, Inc. (the “Company”) issued a press release announcing the commencement, subject to market and other conditions, of an underwritten public offering of 7,000,000 shares of its common stock (the “Offering”) pursuant to its effective shelf registration statement. In connection with the Offering, the Company also intends to grant the underwriters a 30-day option to purchase up to an additional 1,050,000 shares of common stock from the Company. A copy of the press release announcing the Offering is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(d) Exhibits.

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.