UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): May 1, 2018

BAIN CAPITAL SPECIALTY FINANCE, INC.

(Exact name of Registrant as Specified in Its Charter)

200 CLARENDON STREET, 37TH FLOOR, BOSTON, MA  02116

(Address of Principal Executive Offices)  (Zip Code)

Registrant’s telephone number, including area code: (617) 516-2000

(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 (see General Instruction A.2. below):

o                 Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o                 Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o                 Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o                 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 o

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. o

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

Effective as of May 1, 2018, Ranesh Ramanathan resigned from his position as Vice President and Secretary of Bain Capital Specialty Finance, Inc. (the “Company”).  Mr. Ramanathan’s resignation from his position as Vice President and Secretary was not due to any dispute or disagreement with the Company or its Board or management.

Effective as of May 1, 2018, the Board of Directors of the Company elected Michael Treisman to the position of Vice President and Secretary.  Mr. Treisman joined Bain Capital Credit in 2015. He is the General Counsel.  Previously, Mr. Treisman was the General Counsel of Tiger Management L.L.C.  Prior to that, Mr. Treisman was the General Counsel of Citi Infrastructure Investors and Associate General Counsel of Citi Alternative Investments at Citigroup.  Mr. Treisman also worked as an Associate at Cleary Gottlieb Steen & Hamilton LLP. Mr. Treisman, age 45, holds a J.D. from Duke University School of Law and a B.A. from the University of Pennsylvania.

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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.

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