UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K/A

(Amendment No. 1) 

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): April 22, 2021

SILICON LABORATORIES INC.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (512) 416-8500

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):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Securities Exchange Act of 1934. ¨

Explanatory Note

On April 22, 2021, Silicon Laboratories Inc. (“Silicon Laboratories”) filed a Current Report on Form 8-K (the “Original Report”) to report the promotion of Matt Johnson to President. As of the date of the Original Report, the terms of Mr. Johnson’s compensation in connection with such promotion had not been determined. This Amendment No. 1 to the Original Report is being filed solely for the purpose of providing the terms of such compensation.

Item 5.02(b). Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On May 15, 2021, the Compensation Committee of the Board of Directors of Silicon Laboratories approved the terms of compensation for its President, Matt Johnson. The Committee approved the following compensation for Mr. Johnson: an annual base salary of $425,000, an annual target bonus as a percentage of his base salary of 100% under the 2021 Bonus Plan, a grant of 8,778 restricted stock units (which shall vest in three equal annual installments contingent upon Mr. Johnson’s continued service through each such date) and a grant of 8,778 performance stock units (“PSUs”). The terms of the PSUs are set forth in the Performance Stock Units Grant Notice and Global PSU Award Agreement (the “PSU Award Agreement”) that was included in the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 17, 2021. On May 15, 2021, the Compensation Committee also approved, and the Company entered into, the Executive Severance Agreement with Mr. Johnson that was included in the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 17, 2021.

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.