UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

Steven Stuart

c/o Garrison Investment Group LP

1290 Avenue of the Americas, Suite 914

New York, NY 10104

(212) 372-9500

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ¨

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

This Amendment No. 4 (“Amendment No. 4”) supplementally amends the initial statement on Schedule 13D, filed with the Securities and Exchange Commission (the “SEC”) on April 8, 2013 (as amended on May 8, 2014, June 13, 2014 and July 23, 2014, the “Schedule 13D”), by Mr. Steven Stuart.  Capitalized terms used herein and not defined herein shall have the meanings assigned thereto in the Schedule 13D.  This Amendment No. 4 is filed by Mr. Steven Stuart in accordance with Rule 13d-2 under the Securities Exchange Act of 1934, as amended, and it shall refer only to the information that has materially changed since the filing of the Schedule 13D.

This Amendment No. 4 relates to the Common Shares of Garrison Capital Inc., a Delaware corporation (the “Issuer”). The address of the principal executive offices of the Issuer is 1290 Avenue of the Americas, Suite 914, New York, NY 10104.

(b)        The business address of Mr. Stuart is 1290 Avenue of the Americas, Suite 914, New York, NY 10104.

(c)         Mr. Stuart serves as Vice President of Garrison Investment Group LP (“Garrison Investment Group”).  The address of the principal executive offices of Garrison Investment Group and the Issuer is 1290 Avenue of the Americas, Suite 914, New York, NY 10104.

Immediately following the closing of the registered public offering described herein, Mr. Stuart may be deemed to be the beneficial owner of 2,131,372 shares of Common Stock, representing 12.7% of the total issued and outstanding shares of Common Stock.  All percentages set forth in this statement on Schedule 13D are based upon the 16,758,779 shares of Common Stock issued and outstanding as of August 13, 2014. As set forth below, Mr. Stuart’s beneficial ownership of 2,131,372 shares of Common Stock is comprised of his indirect beneficial ownership of the 2,124,372 shares of Common Stock owned directly by GSOF LLC, GSOF 2014 LLC, GSOF-SP LLC, GSOF-SP 2014 LLC, GSOF-SP II LLC, GSOF-SP II 2014 LLC, GSOF-SP DB LLC, GCOH SubCo 2014-1 LLC, GCOH SubCo 2014-2 LLC, GSOIF Corporate Loan Pools Ltd., Garrison Capital Fairchild I, Ltd., Garrison Capital Fairchild II Ltd. and Garrison Capital Advisers Holdings MM and his direct beneficial ownership of 7,000 shares of Common Stock.

On August 13, 2014, GSOF LLC, GSOF-SP LLC, GSOF-SP II LLC, GSOF-SP DB LLC, GCOH SubCo 2014-1 LLC and GSOIF Corporate Loan Pools Ltd. agreed to sell 16,766, 29,939, 15,788, 26,174, 121,208 and 10,315 shares of Common Stock, respectively, at a price of $14.50 per share, pursuant to the partial exercise by the underwriters of the overallotment option granted pursuant to the underwriting agreement, dated July 17, 2014, with the Issuer, Garrison Capital Advisers LLC, a Delaware limited liability company, Garrison Capital Administrator LLC, a Delaware limited liability company, and Oppenheimer & Co. Inc., as representative of the several underwriters. Mr. Stuart has a pecuniary interest in an aggregate of 3,408 of the shares of Common Stock sold by these entities.

Mr. Stuart indirectly beneficially owns 67,602 shares of Common Stock through investments in Garrison Capital Advisers Holdings MM, which directly owns 67,602 shares of Common Stock. Due to his control and ownership interest in Garrison Capital Advisers Holdings MM, Mr. Stuart may be viewed as having shared voting power and shared dispositive power over all of the 67,602 shares of Common Stock owned directly by Garrison Capital Advisers Holdings MM.

Mr. Stuart also indirectly beneficially owns 17,177 shares of Common Stock through investments (both individually and through certain retirement accounts) in GSOF-SP LLC, GSOF-SP II LLC, GSOF LLC and GCOH SubCo 2014-1 LLC, which directly own 150,921, 79,588, 84,518 and 611,016 shares of Common Stock, respectively.   Mr. Stuart has sole voting power over these 17,177 shares of Common Stock, as the voting rights to the Common Stock owned by each entity have been passed through to the members or limited partners of each entity.

Mr. Stuart is a control person of Garrison Investment Group and its affiliates. Garrison Investment Group or one of its affiliates serves as investment adviser, directly or indirectly, to GSOF LLC, GSOF 2014 LLC, GSOF-SP LLC, GSOF-SP 2014 LLC, GSOF-SP II LLC, GSOF-SP II 2014 LLC, GSOF-SP DB LLC, GCOH SubCo 2014-1 LLC, GCOH SubCo 2014-2 LLC, GSOIF Corporate Loan Pools Ltd., Garrison Capital Fairchild I, Ltd. and Garrison Capital Fairchild II Ltd., which directly own 84,518, 7,750, 150,921, 4,079, 79,588, 1,261, 131,946, 611,016, 11,382, 52,001, 340,801 and 581,907 shares of Common Stock, respectively, after the public offering. After the public offering, Garrison Investment Group’s beneficial ownership of 2,057,170 shares of Common Stock is comprised of its indirect beneficial ownership of the 2,057,170 shares of Common Stock owned directly by such entities. Each entity received shares of Common Stock in exchange for the limited liability company interests each entity owned in Garrison Capital LLC, the Issuer’s predecessor entity, upon the conversion of the Issuer from a Delaware limited liability company to a Delaware corporation on October 9, 2012.  Garrison Investment Group and its affiliates may be viewed as having shared dispositive power over all of the 2,057,170 shares of Common Stock owned directly by such entities, although voting rights to the Common Stock have been passed through to the members or limited partners of each entity. Mr. Stuart disclaims beneficial ownership of such shares of Common Stock, except to the extent of his pecuniary interest therein.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: August 19, 2014