X0306 4 2013-09-23 0 0001002047 NetApp, Inc. NTAP 0001197637 WARMENHOVEN DANIEL J 495 EAST JAVA DRIVE SUNNYVALE CA 94089 1 1 0 0 Executive Chairman Common Stock 2013-09-23 4 M 0 10000 23.79 A 74748 D Common Stock 2013-09-23 4 S 0 10000 43.2823 D 64748 D Common Stock 170000 I by Lmtd Ptnrshp2 Common Stock 1956231 I by Trust Common Stock 38032 I by Trust2 Non-Qualified Stock Option (right to buy) 23.79 2013-09-23 4 M 0 10000 0 D 2015-06-01 Common Stock 10000 390000 D The transaction(s) reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. Shares held by Warmenhoven Ventures LP, a limited partnership of which the Warmenhoven Management Trust is the general partner, of which the reporting person and his wife are the trustees. Reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Shares held in trust by Daniel J. Warmenhoven & Charmaine A. Warmenhoven, trustees to The Warmenhoven 1987 Revocable Trust UTA dated 12/16/87, as amended. Shares held in trust by Richard A. Andre, trustee to The Daniel J. Warmenhoven 1991 Children's Trust. Reporting person disclaims beneficial ownership of such shares. Option vests in a series of equal monthly installments over 48 months of service beginning with the one-month annniversary of the grant date. By: Michael Nolan, Attorney-in-Fact For: Daniel J. Warmenhoven 2013-09-25