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 22, 2013

Symantec Corporation

(Exact Name of Registrant as Specified in its 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):

The stockholders of Symantec Corporation (the “Company”) approved the adoption of the Company’s 2013 Equity Incentive Plan (the “EIP”), an amendment to the Company’s 2008 Employee Stock Purchase Plan (the “ESPP”) and an amendment and restatement of the Company’s Senior Executive Incentive Plan (the “SEIP”) at the Annual Meeting of Stockholders of the Company held on October 22, 2013 (the “Annual Meeting”). The Board of Directors of the Company approved the EIP, the amendment to the ESPP and the amendment and restatement of the SEIP on July 25, 2013, subject to stockholder approval at the Annual Meeting. Accordingly, the EIP, ESPP amendment and amendment and restatement of the SEIP became effective upon stockholder approval at the Annual Meeting. The Company’s named executive officers may participate in each of these plans.

As a result of stockholder approval of the EIP at the Annual Meeting, the EIP became effective and the number of authorized shares of the Company’s common stock issuable under the EIP is 45,000,000 shares. In addition, as a result of stockholder approval of an amendment to the ESPP at the Annual Meeting, the ESPP was amended to increase the number of authorized shares of the Company’s common stock issuable thereunder by 30,000,000 shares. In addition, as a result of stockholder approval of the SEIP at the Annual Meeting, the amendment and restatement of the SEIP became effective commencing with fiscal 2014, allowing performance-based compensation awards thereunder to be fully deductible by the Company under Section 162(m) of the Internal Revenue Code of 1986, as amended.

A more complete description of the terms of the EIP, the ESPP and the SEIP can be found in “Proposal No. 4 – Approval of Our 2013 Equity Incentive Plan” (pages 28 through 33), “Proposal No. 5 – Approval of Amendment to Our 2008 Employee Stock Purchase Plan” (pages 34 through 37) and “Proposal No. 6 – Approval of Our Amended and Restated Senior Executive Incentive Plan” (pages 38 through 41) in the Company’s definitive proxy statement dated August 29, 2013, and filed with the Securities and Exchange Commission on August 29, 2013, which descriptions are incorporated by reference herein. The foregoing descriptions and the descriptions incorporated by reference from the Company’s definitive proxy statement are qualified in their entirety by reference to the EIP, the ESPP and the SEIP, copies of which are filed as exhibits to this report.

The Company’s 2013 Annual Meeting of Stockholders was held on October 22, 2013. Set forth below are the matters the stockholders voted on and the final voting results.

Proposal 1: Election of Directors:

Each of the ten nominees were elected to the Board of Directors, each to hold office until the next annual meeting of stockholders and until his or her successor has been duly elected or until his or her earlier resignation or removal.

Proposal 2: Ratification of the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the 2014 fiscal year:

The appointment was ratified.

Proposal 3: Advisory vote to approve the Company’s executive compensation:

The proposal was approved.

Proposal 4: Approval of the Company’s 2013 Equity Incentive Plan:

The proposal was approved.

Proposal 5: Approval of an amendment to the Company’s 2008 Employee Stock Purchase Plan:

The proposal was approved.

Proposal 6: Approval of the Company’s amended and restated Senior Executive Incentive Plan:

The proposal was approved.

(d) Exhibits

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.

Exhibit Index