UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): December 18, 2018

CIVITAS SOLUTIONS, INC.

(Exact name of registrant as specified in its charter)

313 Congress Street, 6th Floor

Boston, Massachusetts 02210

(Address of Principal executive offices, including Zip Code)

(617) 790-4800

(Registrant’s telephone number, including area code)

(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 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 December 18, 2018, Civitas Solutions, Inc. (the “Company”) issued a press release announcing the entry into an Agreement and Plan of Merger, dated as of December 18, 2018, by and among Celtic Intermediate Corp., a Delaware corporation (“Parent”), Celtic Tier II Corp., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”), and the Company, providing for the merger of Merger Sub with and into the Company (the “Merger”) with the Company surviving the Merger as a wholly owned subsidiary of Parent. A copy of the press release is attached as Exhibit 99.1 to this report and is incorporated herein by reference.

Important Information For Investors And Shareholders

Important Information and Where to Find it

The proposed acquisition of the Company by Parent and Merger Sub will be submitted to the stockholders of the Company for adoption of the merger agreement by such stockholders. In connection with the proposed transaction, the Company will file with the Securities and Exchange Commission (“SEC”) a proxy statement with respect to a meeting of the Company’s stockholders to approve the proposed transaction. The definitive proxy statement will be mailed to the Company stockholders. The Company also plans to file other documents with the SEC regarding the proposed transaction. STOCKHOLDERS OF THE COMPANY ARE URGED TO READ THE PROXY STATEMENT AND OTHER RELEVANT DOCUMENTS CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE COMPANY AND THE PROPOSED TRANSACTION. Investors and stockholders will be able to obtain free copies of the proxy statement and other documents containing important information about the Company, Parent and Merger Sub, once such documents are filed with the SEC, through the website maintained by the SEC at http://www.sec.gov. Copies of the documents filed with the SEC by the Company will be available free of charge on the Company’s website at https://civitas-solutions.com or by contacting the Company’s Legal Department at CorporateSecretary@TheMentorNetwork.com.

Certain Information Regarding Participants

The Company and certain of its directors, executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies from the stockholders of the Company in connection with the proposed transaction. Information about the directors and executive officers of the Company is set forth in its Annual Report on Form 10-K for the year ended September 30, 2018, which was filed with the SEC on December 13, 2018, and in its proxy statement for its 2018 annual meeting of stockholders, which was filed with the SEC on January 26, 2018. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, in the proposed transaction will be contained in the proxy statement and other relevant materials to be filed with the SEC when they become available. These documents can be obtained free of charge from the sources indicated above.

Cautionary Statement Regarding Forward-Looking Statements

Certain statements contained in this filing may be considered forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange

Act of 1934, as amended, including statements regarding the transaction and the ability to consummate the transaction. These forward-looking statements generally include statements that are predictive in nature and depend upon or refer to future events or conditions, and include words such as “believes,” “plans,” “anticipates,” “projects,” “estimates,” “expects,” “intends,” “strategy,” “future,” “opportunity,” “may,” “will,” “should,” “could,” “potential,” or similar expressions. Statements that are not historical facts are forward-looking statements. Forward-looking statements are based on current beliefs and assumptions that are subject to risks and uncertainties. Forward-looking statements speak only as of the date they are made, and the Company undertakes no obligation to update any of them publicly in light of new information or future events. Actual results could differ materially from those contained in any forward-looking statement as a result of various factors, including, without limitation: (1) conditions to the closing of the transaction may not be satisfied and required regulatory approvals may not be obtained; (2) the transaction may involve unexpected costs, liabilities or delays; (3) the business of the Company may suffer as a result of uncertainty surrounding the transaction; (4) the outcome of any legal proceedings related to the transaction; (5) the Company may be adversely affected by other economic, business, legislative, regulatory and/or competitive factors; (6) the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; (7) risks that the transaction disrupts current plans and operations and the potential difficulties in employee retention as a result of the transaction; (8) the failure to obtain the necessary debt financing arrangements set forth in the commitment letters received in connection with the transaction; and (9) other risks to consummation of the transaction, including the risk that the transaction will not be consummated within the expected time period or at all. If the transaction is consummated, the Company’s stockholders will cease to have any equity interest in the Company and will have no right to participate in its earnings and future growth. Additional factors that may affect the future results of the Company are set forth in its filings with the SEC, including its Annual Report on Form 10-K for the year ended September 30, 2018, which are available on the SEC’s website at www.sec.gov. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date thereof.

The following exhibits are filed as part of this report:

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.