TSLX Sixth Street Specialty Lending, Inc. - 8-K

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

On February 19, 2026, Joshua Easterly, the Chairman of the Board of Directors (the “Board”) of Sixth Street Specialty Lending, Inc. (“we,” “us,” “our,” or the “Company”), notified the Company of his decision to not seek re-election to the Board at the Company’s upcoming 2026 Annual Meeting of Shareholders, which is scheduled to be held on May 21, 2026 (the “Annual Meeting”).

Mr. Easterly has decided to retire from Sixth Street Partners, LLC (“Sixth Street”), as of June 30, 2026.

Mr. Easterly will continue to serve as Chairman of the Board and as a director of the Company until the Annual Meeting, at which time his current term will expire. Mr. Easterly’s decision to not seek re-election is not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices.

The Board intends to appoint a successor Chairman of the Board on or about the date of the Annual Meeting.

Item 7.01. Regulation FD Disclosure.

A copy of Chief Executive Officer Robert “Bo” Stanley’s internal letter to the Sixth Street Direct Lending team, dated February 23, 2026 is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 furnished herewith, is being furnished and shall not be deemed “filed” for any purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such Section. The information in this Current Report on Form 8-K shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 8.01 Other Events.

Sixth Street Specialty Lending Advisers, LLC, a Delaware limited liability company (the “Adviser”), is our investment adviser. Robert “Bo” Stanley has been named Co-Chief Investment Officer of the Adviser and Joshua Easterly will step down as Co-Chief Investment Officer as of June 30, 2026. Our investment team continues to be led by Mr. Stanley, Co-Head of Direct Lending Michael Griffin, and our Adviser’s Co-Founding Partner, Chief Executive Officer, and Co-Chief Investment Officer Alan Waxman, all of whom have substantial experience in credit origination, underwriting and asset management. Our investment decisions continue to be made by our Investment Review Committee, which includes senior personnel of our Adviser and Sixth Street.

Item 9.01 - Financial Statements and Exhibits.

(d) Exhibits:

Exhibit

Number

Description

99.1

Letter of Robert (“Bo”) Stanley, dated February 23, 2026.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).