# EDGAR Filing Document

**Accession Number:** 0001414932
**File Stem:** 0001193125-25-282894
**Filing Date:** 2025-11
**Character Count:** 5613
**Document Hash:** 7a081200f993dfc710b8106ef1692d5f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-282894.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0001193125-25-282894

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20251110

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Oaktree Specialty Lending Corp
- **CENTRAL INDEX KEY:** 0001414932

**ORGANIZATION NAME:**
- **EIN:** 261219283
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 814-00755
- **FILM NUMBER:** 251485766

**BUSINESS ADDRESS:**
- **STREET 1:** 333 SOUTH GRAND AVENUE
- **STREET 2:** 28TH FLOOR
- **CITY:** LOS ANGLES
- **STATE:** CA
- **ZIP:** 90071
- **BUSINESS PHONE:** (213) 830-6300

**MAIL ADDRESS:**
- **STREET 1:** 333 SOUTH GRAND AVENUE
- **STREET 2:** 28TH FLOOR
- **CITY:** LOS ANGLES
- **STATE:** CA
- **ZIP:** 90071

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Fifth Street Finance Corp.
- **DATE OF NAME CHANGE:** 20130926

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Fifth Street Finance Corp
- **DATE OF NAME CHANGE:** 20071012

?xml version='1.0' encoding='ASCII'? 8-K

### 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**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **333 South Grand Avenue, 28th Floor**<br> **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<br>Symbol(s)** | **Name of each exchange<br>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. ☐

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#### 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)

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#### 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 | OAKTREE SPECIALTY LENDING CORPORATION |
| Date: November 14, 2025 | By: | /s/ Christopher McKown |
|  |  | Name: Christopher McKown<br> Title: Chief Financial Officer and Treasurer |

---