8-K

OAKTREE SPECIALTY LENDING CORPORATION

Date: November 14, 2025

/s/ Christopher McKown

Name: Christopher McKown

Title: Chief Financial Officer and Treasurer

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 14, 2025 (November 10, 2025)

Oaktree Specialty Lending Corporation

(Exact name of registrant as specified in its charter)

Delaware

814-00755

26-1219283

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

333 South Grand Avenue, 28th Floor

Los Angeles, CA

90071

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (213) 830-6300

Not Applicable

(Former name or former address, if changed since last report)

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:

☐

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, par value $0.01 per share	OCSL	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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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 Exchange Act. ☐

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

On November 10, 2025, Brett McKeone was elected as Chief Operating Officer of Oaktree Specialty Lending Corporation (the “Company”) effective as of December 31, 2025. Mr. McKeone, 48, is a managing director within Oaktree’s Global Private Debt strategy. Prior to joining Oaktree in 2007, he was a senior consultant in the Strategy and Operations practice of Deloitte Consulting LLP. Prior thereto, he was an analyst with Exxon Mobil Corporation. Mr. McKeone holds both M.S. and B.S. degrees in mechanical engineering from the Massachusetts Institute of Technology and an M.B.A. from the UCLA Anderson School of Management. He is a CFA charterholder.

Mr. McKeone has no family relationships with any current director, executive officer, or person nominated to become a director or executive officer, of us, and there are no transactions or proposed transactions, to which the Company is a party, or intended to be a party, in which Mr. McKeone has, or will have, a material interest subject to disclosure under Item 404(a) of Regulation S-K.

Item 9.01. Financial Statements and Exhibits.

(d)

Exhibits

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

SIGNATURE

Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SEC Form 8-K filed by Oaktree Specialty Lending Corporation