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): June 8, 2017

Symantec Corporation

(Exact Name of Registrant as Specified in Charter)

Registrant’s Telephone Number, Including Area Code (650) 527-8000

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):

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. ☐

In a presentation to investors today Symantec Corporation (“Symantec”) reaffirmed its financial guidance for the first quarter and full fiscal year 2018 provided in its earnings call on May 10, 2017 and announced that it expects cash flows from continuing operations in the range of $1.0 billion to $1.2 billion for fiscal 2018. Symantec also announced that it expects capital expenditures of approximately $250 million and cash expenses of approximately $500 million for integration, acquisition, restructuring, transition and other related costs for fiscal 2018.

This current report on Form 8-K contains statements which may be considered forward-looking within the meaning of the U.S. federal securities laws, including the information regarding Symantec’s financial guidance and expected cash flows from continuing operations, capital expenditures and cash expenses. These statements are subject to known and unknown risks, uncertainties and other factors that may cause Symantec’s actual results, levels of activity, performance or achievements to differ materially from results expressed or implied in this press release. Such risk factors include those related to: changes in certificate authority standards that impact Symantec’s website security business; the retention of employees of acquired companies and the ability of Symantec to successfully integrate acquired companies and to achieve expected benefits; general economic conditions; fluctuations and volatility in Symantec’s stock price; the ability of Symantec to successfully execute its strategic plans; the ability to maintain customer and partner relationships; anticipated growth of certain market segments; Symantec’s sales pipeline and business strategy; fluctuations in tax rates and currency exchange rates; the timing and market acceptance of new product releases and upgrades; and the successful development of new products and integration of acquired businesses, and the degree to which these products and businesses gain market acceptance. Actual results may differ materially from those contained in the forward-looking statements in this current report on Form 8-K. Symantec assumes no obligation, and does not intend, to update these forward-looking statements as a result of future events or developments. Additional information concerning these and other risk factors is contained in the Risk Factors section of Symantec’s Form 10-K for the fiscal year ended March 31, 2017.

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.