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Get filing alertsWolfspeed appoints semiconductor veteran Andreas Mattes to Board and Compensation Committee
Filed July 29, 2026 · Period ending July 28, 2026 · ~1 min read
Key Changes
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Andreas W. Mattes, 65, appointed to Board and as Compensation Committee chair effective July 28, 2026. Former CEO of Coherent (2020-2022) and Diebold Nixdorf, with 40+ years in semiconductor and advanced technology leadership.
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR → -
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Mattes receives $100,000 annual cash retainer ($80,000 Board service, $20,000 Committee chair), $500,000 initial RSU grant vesting over 3 years, and $200,000 annual RSU grants vesting after 1 year.
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR → -
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2026 annual meeting advanced to October 27, 2026, more than 30 days earlier than December 16, 2025 anniversary. Stockholder proposal and director nomination deadline reset to August 7, 2026.
Item 8.01 — Other Events verify on EDGAR →
Summary
Wolfspeed added Andreas W. Mattes to its Board of Directors and named him chair of the Compensation Committee, effective immediately. Mattes brings four decades of semiconductor and technology leadership, including CEO roles at Coherent and Diebold Nixdorf, and current board seats at AT&S, ams OSRAM, and Cohu.
The company characterized the appointment as occurring during a "transformative period" as it executes strategic priorities to reinforce silicon carbide market leadership and capitalize on long-term opportunities. The timing and framing suggest Wolfspeed is reinforcing governance and oversight as it scales operations.
Mattes' operational background in semiconductor manufacturing and his immediate placement as Compensation Committee chair indicate the Board is prioritizing execution discipline and management accountability. His compensation package is standard for an independent director at this scale. Separately, Wolfspeed advanced its 2026 annual meeting to October 27, resetting stockholder proposal deadlines to early August. The procedural change has no immediate investment implications but compresses the timeline for any activist or governance proposals.
Section-by-Section Diff
Event · Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation filed; see Key Changes for terms.
Added in current filing · verify on EDGAR →
On July 28, 2026, the Board of Directors (the “Board”) of Wolfspeed, Inc. (the “Company”) appointed Andreas (“Andy”) W. Mattes as a member of the Board and as a member and the chair of the Compensation Committee of the Board, with such appointments effective immediately.
Wolfspeed appointed Andreas W. Mattes, age 65, to its Board of Directors and as chair of the Compensation Committee, effective July 28, 2026. Mr. Mattes previously served as President and CEO of Coherent, Inc. from April 2020 to July 2022, and has held senior leadership roles at Diebold Nixdorf, Hewlett Packard, and Siemens. The Board determined that Mr. Mattes satisfies the NYSE definition of independent director.
Event · Item 8.01 — Other Events
Item 8.01 — Other Events filed; see Key Changes for terms.
Show 4 minor / wording changes
Added in current filing · verify on EDGAR →
The Company expects to hold its 2026 Annual Meeting of Stockholders (the “2026 Annual Meeting”) on Tuesday, October 27, 2026. As the date of the 2026 Annual Meeting has been advanced by more than 30 days from the anniversary date of the Company’s 2025 Annual Meeting of Stockholders held on December 16, 2025
Wolfspeed is holding its 2026 annual stockholder meeting on October 27, 2026, which is more than 30 days earlier than the December 16 anniversary of the 2025 meeting. This advancement triggers SEC disclosure requirements and resets all stockholder proposal and nomination deadlines.
Added in current filing · verify on EDGAR →
To be included in the proxy materials for the 2026 Annual Meeting, stockholder proposals submitted in compliance with Rule 14a-8 must be received in writing no later than August 7, 2026, which the Company has determined to be a reasonable time before it expects to begin printing and distributing its proxy materials for the 2026 Annual Meeting.
Stockholders wishing to submit proposals for inclusion in the 2026 proxy materials under Rule 14a-8 must do so by August 7, 2026. This deadline replaces the previously announced deadlines from the 2025 proxy statement, which no longer apply due to the meeting date change.
Added in current filing · verify on EDGAR →
In accordance with the Company’s Bylaws, if an eligible stockholder wishes to make a nomination for director, or wishes to introduce any business at the 2026 Annual Meeting, such stockholder must give the Company advance notice in accordance with the Company’s Bylaws. To be timely, the Company must receive such notice for its 2026 Annual Meeting at the address set forth above no later than August 7, 2026.
Stockholders seeking to nominate directors or introduce business at the 2026 meeting outside of Rule 14a-8 must provide notice by August 7, 2026, in accordance with the company's bylaws. This is the same deadline as for Rule 14a-8 proposals.
Added in current filing · verify on EDGAR →
In addition, to comply with the universal proxy rules, stockholders who have properly and timely submitted a nomination for a director or directors and intend to solicit proxies in support of director nominees other than the Company’s nominees for the 2026 Annual Meeting must provide notice that sets forth the information required by Rule 14a-19 under the Exchange Act, which notice must be postmarked or transmitted electronically to the Company at its principal executive offices no later than August 28, 2026.
Stockholders intending to solicit proxies for their own director nominees must comply with Rule 14a-19 and provide the required notice by August 28, 2026. This deadline is later than the August 7 deadline for initial nominations, reflecting the additional time allowed for universal proxy compliance.
Event · Exhibit 99.1
Wolfspeed appoints semiconductor executive Andy W. Mattes to its Board of Directors, effective immediately.
Added in current filing · view on EDGAR →
Andy W. Mattes has been appointed to its Board of Directors, effective immediately.
Wolfspeed appointed Andy W. Mattes to its Board of Directors effective immediately. Mattes is a technology executive with more than 40 years of leadership experience in the semiconductor and advanced technology industries, previously serving as CEO of Coherent and Diebold Nixdorf, and currently serving on the boards of AT&S AG, ams OSRAM AG and Cohu, Inc. The company states his experience in technology, operations and corporate governance will support Wolfspeed's focus on disciplined execution and long-term growth.
Added in current filing · view on EDGAR →
We are pleased to welcome Andy to the Board as Wolfspeed enters its next phase of growth. His proven leadership and industry expertise will be invaluable during this transformative period for the company as it executes its strategic priorities, reinforces its market leadership in silicon carbide, and capitalizes on compelling long-term opportunities.
CEO Robert Feurle characterized the appointment as occurring during a transformative period for the company. The statement indicates Wolfspeed is entering its next phase of growth and executing strategic priorities to reinforce market leadership in silicon carbide and capitalize on long-term opportunities. Mattes himself noted that management has taken foundational steps over the past year to position the company for continued progress.
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Figures/quotes linked to EDGAR · Narrative written by AI · Jul 30, 2026 · How we verify