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):

October 27, 2017

Concurrent Computer Corporation

(Exact Name of Registrant as Specified in its Charter)

Registrant’s telephone number, including area code: (678) 258-4000

Not applicable

(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 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 October 27, 2017, Concurrent Computer Corporation (the “Company” or “Concurrent”) issued a press release announcing, among other things, the filing with the U.S. Securities and Exchange Commission of its preliminary proxy statement relating to the previously announced Asset Purchase Agreement (the “Asset Purchase Agreement”) entered into on October 13, 2017 by the Company, as seller, and Vecima Networks Inc., as purchaser (“Vecima”). The full text of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Forward Looking Statements

Certain statements in this communication and the exhibit filed herewith constitute forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements are often identified by words such as “anticipate,” “believe,” “intend,” “estimate,” “expect,” “see,” “continue,” “could,” “can,” “may,” “will,” “likely,” “depend,” “should,” “would,” “plan,” “predict,” “target,” and similar expressions, and may include references to assumptions and relate to Concurrent’s future prospects, developments and business strategies. Except for the historical information contained herein, the matters discussed in this communication and the exhibits filed herewith are forward-looking statements that involve risks and uncertainties that may cause Concurrent’s actual results to be materially different from such forward-looking statements and could materially adversely affect its business, financial condition, operating results and cash flows. These risks and uncertainties include the occurrence of any event, change or other circumstances that could give rise to the termination of the Asset Purchase Agreement; the failure to obtain the approval of Concurrent’s stockholders or required third party consents or the failure to satisfy any of the other closing conditions to the Asset Purchase Agreement; potential disruption of management’s attention from Concurrent’s ongoing business operations due to the transaction; the effect of the announcement of the Asset Purchase Agreement on the ability of Concurrent to retain and hire key personnel and maintain relationships with its customers, suppliers and others with whom it does business, or on its operating results and business generally; general business conditions; changes in overall economic conditions that impact consumer spending; the impact of competition; and other factors which are often beyond the control of Concurrent, as well other risks listed in the preliminary proxy statement filed on October 27, 2017 or Concurrent’s Form 10-K filed September 20, 2017 with the Securities and Exchange Commission and risks and uncertainties not presently known to Concurrent or that Concurrent currently deems immaterial. Concurrent wishes to caution you that you should not place undue reliance on such forward-looking statements, which speak only as of the date on which they were made. Concurrent does not undertake any obligation to update forward-looking statements, except as required by law.

Important Additional Information and Where to Find It

In connection with the proposed transaction with Vecima, Concurrent filed a preliminary proxy statement with the SEC on October 27, 2017. A definitive proxy statement containing information about the proposed transaction with Vecima will be filed with the SEC and mailed to each Concurrent stockholder entitled to vote at the special meeting called for the purpose of, among other things, approving the proposed transaction with Vecima. BEFORE MAKING ANY VOTING DECISION, CONCURRENT’S STOCKHOLDERS ARE URGED TO CAREFULLY READ THE PROXY STATEMENT IN ITS ENTIRETY WHEN IT BECOMES AVAILABLE AND ANY OTHER DOCUMENTS FILED WITH THE SEC IN CONNECTION WITH THE PROPOSED TRANSACTION OR INCORPORATED BY REFERENCE THEREIN BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND THE PARTIES TO THE PROPOSED TRANSACTION. Investors and security holders may obtain a free copy of the preliminary proxy statement and other documents that Concurrent files with the SEC (when available) from the SEC’s website at www.sec.gov and Concurrent’s website at http://www.concurrent.com/about/investors/sec-filings/. In addition, the preliminary proxy statement and other documents filed by Concurrent with the SEC (when available) may be obtained from Concurrent free of charge by directing a written request to Corporate Secretary, Concurrent Computer Corporation, 4375 River Green Parkway, Suite 100, Duluth, Georgia 30096. Phone: (678) 258-4000.

Derek Elder, director and Chief Executive Officer, Warren Sutherland, Chief Financial Officer, and certain other directors and officers of Concurrent, are or may be deemed participants in Concurrent’s solicitation. Other than Mr. Elder, none of such participants owns in excess of 1% of Concurrent’s common stock. Mr. Elder may be deemed to own approximately 2.3% of Concurrent’s common stock. Additional information regarding such participants, including their direct or indirect interests, by security holdings or otherwise, is included in the preliminary proxy statement and will be included in the definitive proxy statement and other relevant documents to be filed with the SEC in connection with the transaction. Information relating to the foregoing can also be found in Concurrent’s definitive proxy statement for its 2017 Annual Meeting of Stockholders (the “2017 Proxy Statement”), which was filed with the SEC on October 2, 2017. To the extent that holdings of Concurrent’s securities have changed, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. The foregoing documents may be obtained free of charge from the SEC’s website at www.sec.gov and Concurrent’s website at http://www.concurrent.com/about/investors/sec-filings/.

Media Relations:

Sandra Dover

(678) 258-4112

Sandra.dover@concurrent.com

Investor Relations:

EVC Group, Inc.

Todd Kehrli

310-625-4462

tkehrli@evcgroup.com

Doug Sherk

415-652-9100

dsherk@evcgroup.com

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.

Dated: October 27, 2017

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