[8-K] Oaktree Specialty Lending Corp Reports Material Event

Rhea-AI Filing Summary

Oaktree Specialty Lending Corporation reported that it has released its financial results for the fiscal quarter and year ended September 30, 2025, through a press release furnished as Exhibit 99.1. The company is also hosting a conference call on November 18, 2025, to discuss these results and has made an accompanying fourth quarter and fiscal year 2025 earnings investor presentation available on its website, furnished as Exhibit 99.2.

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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 18, 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 2.02. Results of Operations and Financial Condition.

On November 18, 2025, Oaktree Specialty Lending Corporation (the “Company”) issued a press release announcing its financial results for the fiscal quarter and year ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1.

On November 18, 2025, the Company will host a conference call to discuss its financial results for the fiscal quarter and year ended September 30, 2025. In connection therewith, the Company provided an investor presentation on its website at http://www.oaktreespecialtylending.com. A copy of the investor presentation is attached hereto as Exhibit 99.2.

The information disclosed under this Item 2.02, including Exhibits 99.1 and 99.2 hereto, is being “furnished” and is not deemed “filed” by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor is it deemed 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 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1		Press release of Oaktree Specialty Lending Corporation dated November 18, 2025
99.2		Oaktree Specialty Lending Corporation Fourth Quarter and Fiscal Year 2025 Earnings Presentation
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.

				OAKTREE SPECIALTY LENDING CORPORATION
Date: November 18, 2025				By:		/s/ Christopher McKown
				Name:		Christopher McKown
				Title:		Chief Financial Officer and Treasurer

FAQ

What did Oaktree Specialty Lending Corporation (OCSL) announce in this 8-K?

Oaktree Specialty Lending Corporation announced that it has issued a press release detailing its financial results for the fiscal quarter and year ended September 30, 2025, and furnished this release as Exhibit 99.1.

Which period do the latest OCSL financial results cover?

The financial results discussed by Oaktree Specialty Lending Corporation cover its fiscal quarter and fiscal year ended September 30, 2025.

Is Oaktree Specialty Lending holding a conference call for the September 30, 2025 results?

Yes. On November 18, 2025, Oaktree Specialty Lending Corporation will host a conference call to discuss its financial results for the fiscal quarter and year ended September 30, 2025.

Where can investors find OCSL’s fiscal 2025 earnings presentation?

Oaktree Specialty Lending Corporation has provided an investor presentation related to its fourth quarter and fiscal year 2025 earnings on its website at http://www.oaktreespecialtylending.com, and it is furnished as Exhibit 99.2.

Are the OCSL earnings materials considered filed or furnished with the SEC?

The information under Item 2.02, including Exhibits 99.1 and 99.2, is being furnished and is not deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934 or incorporated by reference into other filings, except where specifically referenced.

Who signed the OCSL 8-K related to the September 30, 2025 results?

The report was signed on behalf of Oaktree Specialty Lending Corporation by Christopher McKown, the company’s Chief Financial Officer and Treasurer, dated November 18, 2025.