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): July 12, 2016

IES Holdings, Inc.

(Exact name of registrant as specified in Charter)

5433 Westheimer Road, Suite 500, Houston, Texas 77056

(Address of Principal Executive Offices)

Registrant’s telephone number, including area code: (713) 860-1500

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):

On July 12, 2016, Robert W. Lewey, President of IES Holdings, Inc. (the “Company”), and Tracy A. McLauchlin, Chief Financial Officer of the Company, will meet with investors at the CJS Securities 16th Annual “New Ideas” Summer Conference, which is being held in White Plains, New York, and will review with investors the presentation attached as Exhibit 99.1 to this Current Report on Form 8-K, which is incorporated herein by reference.

The presentation will also be posted on the Company’s website, www.ies-co.com, on or about the close of business on July 12, 2016, under the Investor Relations section with the title “CJS Securities 16th Annual ‘New Ideas’ Summer Conference – July 12, 2016.” The presentation will remain on the Company’s website for a period of at least thirty days. The information set forth herein is furnished pursuant to Item 7.01–Regulation FD Disclosure and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such section nor shall the information be deemed incorporated by reference in any filing of the Company.

The presentation referred to above contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. More detailed information about these factors is set forth in the presentation referred to above, which the Company has made available on its website. The Company undertakes no obligation to publicly update or revise any information or forward-looking statements in the presentation, including to reflect events or circumstances that may arise after the date of the presentation.

(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 thereunto duly authorized.

EXHIBIT INDEX