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Date of report (Date of earliest event reported): December 5, 2023



(Exact Name of Registrant as Specified in Charter)


Delaware   000-29823   74-2793174
(State or Other Jurisdiction   (Commission File Number)   (IRS Employer
of Incorporation)       Identification No.)


400 West Cesar Chavez, Austin, TX   78701
(Address of Principal Executive Offices)   (Zip Code)


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:


Title of each class   Trading Symbol(s)   Name of each exchange
on which registered
Common Stock, $0.0001 par value   SLAB   The NASDAQ Stock Market LLC


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. ¨







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


Resignation of Principal Financial Officer


On December 5, 2023, John Hollister, the Chief Financial Officer and Senior Vice President of Silicon Laboratories Inc. (the “Company”), delivered his notice of resignation to be effective as of February 2, 2024, or such earlier date as may be selected by the Company. His departure is not related to the operations, policies or practices of the Company or any issues regarding accounting policies or practices. Mr. Hollister notified the Company that he has accepted the position of Chief Financial Officer of GlobalFoundries. Mr. Hollister will assist the Company to help transition his job responsibilities.


The Company intends to conduct a search for potential internal and external candidates to replace Mr. Hollister. In the interim, upon the date Mr. Hollister’s resignation becomes effective, the Company expects to appoint Mark Mauldin, the Company’s Chief Accounting Officer, to serve as the Company’s interim Chief Financial Officer. The terms of Mr. Mauldin’s compensation have not yet been determined.  In accordance with Instruction 2 of Item 5.02 of Form 8-K, the Company will amend this Current Report on Form 8-K within four business days after such information is determined or becomes available.


Mr. Mauldin, age 53, has served as the Company’s Chief Accounting Officer since April 11, 2021, the Company’s Vice President of Finance since February 2016, and in various other finance and accounting positions since joining the Company in 2004. Mr. Mauldin is a Certified Public Accountant and has a master’s degree in accounting and a bachelor’s degree in business administration from the University of Texas at Austin.


On December 11, 2023, the Company issued a press release announcing Mr. Hollister’s resignation. The full text of the press release is attached as Exhibit 99.1 to this report and is hereby incorporated by reference herein.


Item 9.01. Financial Statements and Exhibits


(d) Exhibits.


99.1Press Release of Silicon Laboratories Inc. dated December 11, 2023, announcing the resignation of Mr. John Hollister.


104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)







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.


December 11, 2023   /s/ Néstor Ho
Date   Néstor Ho
    Chief Legal Officer





Exhibit 99.1




Silicon Labs Announces CFO Transition


John Hollister will depart to join partner GlobalFoundries as CFO; CAO Mark Mauldin to be named interim CFO


AUSTIN, Texas – December 11, 2023 – Silicon Labs (NASDAQ: SLAB), a leader in secure, intelligent wireless technology for a more connected world, announced that John Hollister will step down as chief financial officer (CFO) to join partner GlobalFoundries as its CFO. Mark Mauldin, Silicon Labs’ chief accounting officer, will work closely with Hollister to transition responsibilities and will be named interim chief financial officer when the handover is completed by February 2, 2024. Silicon Labs is conducting a search for a new CFO to continue to scale the company as a leader in embedded wireless solutions for the Internet of Things.


“We thank John for his 20 years of service to Silicon Labs, ten of those as chief financial officer. His accomplishments in supporting Silicon Labs’ growth clearly caught the attention of our long-standing partner, GlobalFoundries,” said Matt Johnson, President and Chief Executive Officer at Silicon Labs. “Under John’s financial leadership, Silicon Labs has consistently outperformed the market and established a strong foundation for continued long-term growth.”


“I’m grateful for my time at Silicon Labs and proud of all that we’ve accomplished. Through a combination of strong organic growth, strategic M&A, disciplined financial management, and a pivotal divestiture two years ago, we have created the world’s leading IoT pure-play company with the broadest range of technology. Based on record design win momentum, Silicon Labs has an extremely bright future,” said John Hollister, the departing Chief Financial Officer at Silicon Labs. “After decades of professional opportunity and growth at Silicon Labs, I’m looking forward to taking on new challenges at GlobalFoundries, a familiar partner and one of the world's leading semiconductor foundries.”


John joined Silicon Labs in 2004 and held a variety of financial management and operational positions until being named CFO in 2013. During his tenure, the company expanded its technology portfolio and global footprint, executed strategic acquisitions and a successful divestiture, and grew its revenue to become the largest wireless pure-play company and a leader in the IoT.





Silicon Labs is poised to continue to scale and grow as the semiconductor market recovers from a cyclical downturn. In its search for a new CFO, Silicon Labs will evaluate candidates for strengths in scaling companies and defining and managing financial strategies for rapid growth.


About Silicon Labs


Silicon Labs (NASDAQ: SLAB) is a leader in secure, intelligent wireless technology for a more connected world. Our integrated hardware and software platform, intuitive development tools, thriving ecosystem, and robust support make us an ideal long-term partner in building advanced industrial, commercial, home and life applications. We make it easy for developers to solve complex wireless challenges throughout the product lifecycle and get to market quickly with innovative solutions that transform industries, grow economies, and improve lives. silabs.com


CONTACT: Claudia Husemann, Communications Director, +1 (512) 897-9081, pr@silabs.com, or Thomas Haws, Investor Relations Manager, (512) 416-8500, investor.relations@silabs.com


Forward-Looking Statements


This press release contains forward-looking statements based on Silicon Labs’ current expectations. The words “believe”, “estimate”, “expect”, “intend”, “anticipate”, “plan”, “project”, “will”, and similar phrases as they relate to Silicon Labs are intended to identify such forward-looking statements. These forward-looking statements reflect the current views and assumptions of Silicon Labs and are subject to various risks and uncertainties that could cause actual results to differ materially from expectations. Among the factors that could cause actual results to differ materially from those in the forward-looking statements are the following: the competitive and cyclical nature of the semiconductor industry; the challenging macroeconomic environment, including disruptions in the financial services industry; geographic concentration of manufacturers, assemblers, test service providers and customers in Asia that subjects Silicon Labs’ business and results of operations to risks of natural disasters, epidemics or pandemics, war and political unrest; risks that demand and the supply chain may be adversely affected by military conflict (including in the Middle East, and between Russia and Ukraine), terrorism, sanctions or other geopolitical events globally (including conflict between Taiwan and China); risks that Silicon Labs may not be able to maintain its historical growth; quarterly fluctuations in revenues and operating results; difficulties developing new products that achieve market acceptance; risks associated with international activities (including trade barriers, particularly with respect to China); intellectual property litigation risks; risks associated with acquisitions and divestitures; product liability risks; difficulties managing and/or obtaining sufficient supply from Silicon Labs’ distributors, manufacturers and subcontractors; dependence on a limited number of products; absence of long-term commitments from customers; inventory-related risks; difficulties managing international activities; risks that Silicon Labs may not be able to manage strains associated with its growth; credit risks associated with its accounts receivable; dependence on key personnel; stock price volatility; the impact of COVID-19 on the U.S. and global economy; debt-related risks; capital-raising risks; the timing and scope of share repurchases and/or dividends; average selling prices of products may decrease significantly and rapidly; information technology risks; cyber-attacks against Silicon Labs’ products and its networks and other factors that are detailed in the SEC filings of Silicon Laboratories Inc. Silicon Labs disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. References in this press release to Silicon Labs shall mean Silicon Laboratories Inc.


Note to editors: Silicon Laboratories, Silicon Labs, the “S” symbol, and the Silicon Labs logo are trademarks of Silicon Laboratories Inc. All other product names noted herein may be trademarks of their respective holders.