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 5, 2014

NetApp, Inc.

(Exact name of registrant as specified in its charter)

495 East Java Drive

Sunnyvale, CA 94089

(Address of principal executive offices) (Zip Code)

(408) 822-6000

(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

Retirement of Directors

As previously announced, Daniel J. Warmenhoven and Nicholas G. Moore retired from the Board of Directors (the “Board”) of NetApp, Inc. (the “Company”) at the Annual Meeting of Stockholders of the Company held on September 5, 2014 (the “Annual Meeting”).

Amendment to 1999 Stock Option Plan

The Board previously approved, subject to stockholder approval, an amendment to the Company’s 1999 Stock Option Plan (the “1999 Plan”) to increase the share reserve by an additional 7,500,000 shares of common stock. The Company’s stockholders approved the amendment at the Annual Meeting. The foregoing is qualified in its entirety by reference to the full text of the 1999 Plan, a copy of which is attached as Exhibit 10.1 and is incorporated herein by reference.

Amendment to Employee Stock Purchase Plan

The Board previously approved, subject to stockholder approval, an amendment to the Company’s Employee Stock Purchase Plan (the “Purchase Plan”) to increase the share reserve by an additional 5,000,000 shares of common stock. The Company’s stockholders approved the amendment at the Annual Meeting. The foregoing is qualified in its entirety by reference to the full text of the Purchase Plan, a copy of which is attached as Exhibit 10.2 and is incorporated herein by reference.

Approval of Executive Compensation Plan

The Company’s stockholders approved the Company’s Executive Compensation Plan (the “Executive Compensation Plan”) at the Annual Meeting for purposes of complying with Section 162(m) of the Internal Revenue Code of 1986, as amended. The foregoing is qualified in its entirety by reference to the full text of the Executive Compensation Plan, a copy of which is attached as Exhibit 10. 3 and is incorporated herein by reference.

At the Annual Meeting, the stockholders of the Company elected the following individuals to serve as members of the Board for the ensuing year or until their respective successors are duly elected and qualified. No members of the Board had continuing terms without election.

In addition, the following proposals were voted on at the Annual Meeting:

The proposal was approved.

The proposal was approved.

The proposal was approved.

The proposal was approved.

The proposal was not approved.

The proposal was approved.

(d) Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Exhibit Index