WOLFSPEED, INC.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Filed by the Registrantx

Filed by a Party other than the Registrant¨

Check the appropriate box:

¨ Preliminary Proxy Statement

¨ Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2))

x Definitive Proxy Statement

¨ Definitive Additional Materials

¨ Soliciting Material Pursuant to §240.14a-12

WOLFSPEED, INC.

(Name of Registrant as Specified In Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x No fee required.

¨ Fee paid previously with preliminary materials.

¨ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To the Stockholders of Wolfspeed, Inc.:

The 2025 Annual Meeting of Stockholders of Wolfspeed, Inc. (the “Annual Meeting”) will be held virtually at www.virtualshareholdermeeting.com/WOLF2025 on Tuesday, December 16, 2025, at 12:00 p.m. local time, to consider and vote upon the following matters and to transact such other business as may be properly brought before the meeting:

•Proposal No. 1—Election of seven directors

•Proposal No. 2—Advisory (nonbinding) vote to approve executive compensation

•Proposal No. 3—Ratification of the appointment of PricewaterhouseCoopers LLP as independent auditors for the fiscal year ending June 28, 2026

All stockholders are invited to attend the meeting. Only stockholders of record at the close of business on October 14, 2025 are entitled to notice of and to vote at the meeting.

By order of the Board of Directors,

Melissa Garrett

Secretary

Durham, North Carolina

October 23, 2025

PLEASE NOTE:

We are primarily providing access to our proxy materials over the Internet pursuant to the Securities and Exchange Commission’s “notice and access” rules. Beginning on or about October 30, 2025, we expect to mail to our stockholders a Notice of Internet Availability of Proxy Materials, which will indicate how to access our 2025 Proxy Statement and 2025 Annual Report on the Internet. The Notice also includes instructions on how you can receive a paper copy of your annual meeting materials, including the notice of annual meeting, proxy statement and proxy card.

Whether or not you plan to attend the meeting, please submit voting instructions for your shares promptly using the directions on your Notice of Internet Availability of Proxy Materials or, if you elected to receive printed proxy materials by mail, your proxy card, to vote by one of the following methods: (1) over the Internet, by accessing the website addresswww.proxyvote.com; (2) by telephone, by calling the toll-free telephone number 1-800-690-6903; or (3) if you elected to receive printed proxy materials by mail, by marking, dating and signing your proxy card and returning it in the accompanying postage-paid envelope.