SILICON LABORATORIES INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No. )

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

Silicon Laboratories Inc.

(Name of Registrant as Specified In Its Charter)

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

Payment of Filing Fee (Check the appropriate box):

LETTER TO THE STOCKHOLDERS

To the Stockholders of Silicon Laboratories Inc.:

You are cordially invited to attend the Annual Meeting of Stockholders of Silicon Laboratories Inc., (“Silicon Labs”) a Delaware corporation, to be held on April 18, 2024, at 9:00 a.m. Central Time in a virtual meeting format only, via the Internet, with no physicalin-person meeting for the purposes described in the Proxy Statement. To participate in the Annual Meeting virtually via the Internet, please visitwww.proxydocs.com/SLAB. In order to attend, you must register in advance atwww.proxydocs.com/SLAB prior to the deadline of April 18, 2024 at 9:00 a.m. (Central Time). Upon completing your registration, you will receive further instructions via email, including your unique links that will allow you access to the meeting and to submit questions during the meeting. You will not be able to attend the Annual Meeting in person. During the Annual Meeting, you may submit questions via the question box provided on the virtual meeting website and we will respond to as many inquiries as time permits. If we receive substantially similar questions, we will group such questions together and provide a single response to avoid repetition. Our Investor Relations team will follow up with individual stockholders to answer appropriate questions received during the Annual Meeting that were not answered due to time constraints. We will have technicians ready to assist you with any technical difficulties you may have accessing the virtual meeting website. If you encounter any difficulties accessing the virtual Annual Meeting during thecheck-in or meeting time, please call the technical support number that will be posted on the Annual Meeting websitelog-in page.

The 2024 Annual Meeting will focus on the items of business listed in the Notice of Annual Meeting of Stockholders and Proxy Statement that follows. We are sending this Proxy Statement to our stockholders on or about March 6, 2024. During the Annual Meeting we will also present a report on Silicon Labs’ performance and operations during 2023.

Whether or not you plan to attend the meeting, your vote is important. Instructions regarding the various methods of voting are contained in the Proxy, including voting by toll-free telephone number or the Internet. If you request and receive a paper copy of the Proxy by mail, you may still vote your shares by fully completing and returning the Proxy. You may revoke your Proxy at any time prior to the Annual Meeting. If you attend the Annual Meeting and vote by ballot, your Proxy will be revoked automatically and only your vote at the Annual Meeting will be counted.

Sincerely,

R. Matthew Johnson

President, Chief Executive Officer and Director

Silicon Laboratories Inc.

Notice of Annual Meeting of Stockholders

YOUR VOTE IS VERY IMPORTANT, REGARDLESS OF THE NUMBER OF SHARES YOU OWN. PLEASE READ THE ATTACHED PROXY STATEMENT CAREFULLY AND VOTE YOUR SHARES BY TELEPHONE, BY INTERNET, OR BY COMPLETING, SIGNING, DATING, AND RETURNING A PROXY CARD AS PROMPTLY AS POSSIBLE.

2024 Annual Meeting of Stockholders

Matters To Be Voted Upon

The following table summarizes the proposals to be voted upon at the 2024 Annual Meeting of Stockholders to be held on April 18, 2024 (the “Annual Meeting”) and the Board’s voting recommendations with respect to each proposal.

Director Nominees