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 EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported):

September 19, 2017

FORESTAR GROUP INC.

(Exact name of registrant as specified in its charter)

6300 Bee Cave Road, Building Two, Suite 500, Austin, Texas 78746

(Address of principal executive offices, including zip code)

(512) 433-5200

(Registrant’s telephone number, including area code)

N/A

(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 (see General Instruction A.2. below):

x Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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 o

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. o

Item 8.01.   Other Events.

On September 19, 2017, Forestar Group Inc. (“Forestar”) and D.R. Horton, Inc. (“D.R. Horton”) issued a press release announcing that, in connection with D.R. Horton’s pending acquisition of approximately 75% of the currently outstanding shares of Forestar pursuant to that certain merger agreement by and among D.R. Horton, Forestar and Force Merger Sub, Inc., the election deadline for holders of shares of Forestar common stock to elect the form of consideration they wish to receive in connection with the transaction, subject to proration, is 5:00 p.m. Eastern time on September 27, 2017, which is based on the current expectation that the transaction will be completed on October 5, 2017.   The full text of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.   Financial Statements and Exhibits.

(d)          Exhibits

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SIGNATURE

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.

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