# EDGAR Filing Document

**Accession Number:** 0001655050
**File Stem:** 0001193125-26-189075
**Filing Date:** 2026-4
**Character Count:** 9693
**Document Hash:** b8152ac6a7587401ac824822c917c20f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-189075.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001193125-26-189075

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20260428

**ITEM INFORMATION**: Results of Operations and Financial Condition

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Bain Capital Specialty Finance, Inc.
- **CENTRAL INDEX KEY:** 0001655050

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 814-01175
- **FILM NUMBER:** 26910604

**BUSINESS ADDRESS:**
- **STREET 1:** C/O BAIN CAPITAL CREDIT, LP
- **STREET 2:** 200 CLARENDON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** (617) 516-2318

**MAIL ADDRESS:**
- **STREET 1:** C/O BAIN CAPITAL CREDIT, LP
- **STREET 2:** 200 CLARENDON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Sankaty Capital Corp
- **DATE OF NAME CHANGE:** 20151007

?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): April 28, 2026

## BAIN CAPITAL SPECIALTY FINANCE, INC.

#### (Exact name of Registrant as Specified in Its Charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **814-01175** | **81-2878769** |
| **(State or Other Jurisdiction**<br> **of Incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **200 Clarendon Street**<br> **37th Floor** |  |
| **Boston, Massachusetts** | **02116** |
| **(Address of Principal Executive Offices)** | **(Zip Code)** |

---

#### Registrant's Telephone Number, Including Area Code: (617) 516-2000

#### N/A

#### (Former Name or Former Address, if Changed Since Last Report)

#### 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 $0.001 per share | BCSF | New York Stock Exchange |

---

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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 April 28, 2026, Bain Capital Specialty Finance, Inc. issued a press release announcing that it will (i) release its financial results for the quarter ended March 31, 2026 on Monday, May 11, 2026 after the close of the financial market and (ii) host a call on Tuesday, May 12, 2026 at 8:30 a.m. Eastern Time to discuss the financial results. A copy of the press release is attached hereto as Exhibit 99.1.

The information in Item 2.02 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 9.01.** | **Financial Statements and Exhibits.**  |

---

(d) *Exhibits.*

---

| | |
|:---|:---|
| 99.1 | [Bain Capital Specialty Finance, Inc. Financial Results Press Release, dated April 28, 2026](d76427dex991.htm) |
| 104 | Cover page interactive data file (formatted as Inline XBRL) |

---

------

#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, Bain Capital Specialty Finance, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | | |
|:---|:---|:---|:---|
| | | **BAIN CAPITAL SPECIALTY FINANCE, INC.** | **BAIN CAPITAL SPECIALTY FINANCE, INC.** |
| Date: April 29, 2026 | By: | /s/ Adriana Rojas Garzón | /s/ Adriana Rojas Garzón |
|  |  | Name: | Adriana Rojas Garzón |
|  |  | Title: | Vice President |

---

## Exhibit 99.1

**Exhibit 99.1**![LOGO](g76427g0428100755808.jpg)

**Bain Capital Specialty Finance, Inc. Schedules Earnings Release for the First Quarter Ended March 31, 2026** 

**BOSTON – April 28, 2026** – Bain Capital Specialty Finance, Inc. (NYSE: BCSF, the "Company") today announced it will report its financial results for the first quarter ended March 31, 2026 on Monday, May 11, 2026 after market close. Management will host a conference call on Tuesday, May 12, 2026 at 8:30 a.m. Eastern Time to discuss the Company's financial results.

Conference Call Information:

A conference call to discuss the Company's financial results will be held live at 8:30 a.m. Eastern Time on May 12, 2026. Please visit BCSF's webcast link located on the Events & Presentations page of the Investor Resources section of BCSF's website at http://www.baincapitalspecialtyfinance.com for a slide presentation that complements the Earnings Conference Call.

Participants are also invited to access the conference call by dialing one of the following numbers:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Domestic: 1-800-245-3047

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• International: 1-203-518-9765

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Conference ID: BAIN

All participants will need to reference "Bain Capital Specialty Finance - First Quarter Ended March 31, 2026 Earnings Conference Call" once connected with the operator. All participants are asked to dial in 10-15 minutes prior to the call.

Replay Information:

An archived replay will be available approximately three hours after the conference call concludes through May 26, 2026 via a webcast link located on the Investor Resources section of BCSF's website, and via the dial-in numbers listed below:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Domestic: 1-844-512-2921

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• International: 1-412-317-6671

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Conference ID: 11161743

**About Bain Capital Specialty Finance, Inc.** 

Bain Capital Specialty Finance, Inc. is an externally managed specialty finance company focused on lending to middle-market companies. BCSF is managed by BCSF Advisors, L.P., an SEC-registered investment adviser and a subsidiary of Bain Capital Credit, L.P. Since commencing investment operations on October 13, 2016, and through December 31, 2025, BCSF has invested approximately $9,809.3 million in aggregate principal amount of debt and equity investments prior to any subsequent exits or repayments. BCSF's investment objective is to generate current income and, to a lesser extent, capital appreciation through direct originations of secured debt, including first lien, first lien/last out, unitranche and second lien debt, investments in strategic joint ventures, equity investments and, to a lesser extent, corporate bonds. BCSF has elected to be regulated as a business development company under the Investment Company Act of 1940, as amended.

**Forward-Looking Statements** 

Certain information contained herein may contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Statements other than statements of historical facts included herein may constitute forward-looking statements and are not guarantees of future performance or results and involve a number of risks and uncertainties. Actual results may differ materially from those in the forward-looking statements as a result of a number of factors, including those described from time to time in filings with the U.S. Securities and Exchange Commission. The Company undertakes no duty to update any forward-looking statement made herein. All forward-looking statements speak only as of the date of this press release.

------

Investor Contact:

Katherine Schneider

Tel. (212) 803-9613

<u>investors@baincapitalbdc.com</u> 

Media Contact:

Scott Lessne

Tel. +1 (609) 462-1139

slessne@apcoworldwide.com

![LOGO](g76427g0428100802868.jpg)