UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

~~WASHINGTON~~Washington, D.C. DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of ~~report~~Report (Date of earliest event reported): July 72, 2026

~~GOLUB~~Golub ~~CAPITAL~~Capital BDC, ~~INC~~Inc.

(Exact name of ~~Registrant~~registrant as ~~Specified~~specified in ~~Its Charter~~its charter)

Delaware

814-00794

27-2326940

~~814-00794~~

~~27-2326940~~

(State or Other Jurisdictionof Incorporation)

(Commission File Number)

(IRS EmployerIdentification No.)

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

__ 200 Park Avenue, 25th Floor, New York, NY 10166_ _

200 Park Avenue, 25th Floor,New York, New York		10166
(Address of Principal Executive Offices)		(Zip Code)

(Address of Principal Executive Offices) (Zip Code)

Registrant’s telephone number, including area code: (212) 750-6060

~~____ ____~~Not Applicable

(Former ~~Name~~name or ~~Former Address~~address, if ~~Changed~~changed ~~Since~~since last ~~Last Report~~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)~~:

☐¨ 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)	~~Trading Symbol~~	Name of each exchange on which registered		~~Name of each exchange on which registered~~
Common Stock, par value $0.001 per share		GBDC	~~GBDC~~	The Nasdaq Global Select Market		~~The Nasdaq Global Select Market~~

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b- –2 of the Securities Exchange Act of 1934.

¨ 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. o¨

Item 21.~~02. Results~~01 of- ~~Operations~~Entry ~~and~~into ~~Financial~~a ~~Condition~~Material Definitive Agreement.

On July 7 2, 2026, Golub Capital BDC, Inc. ~~issued~~(the “Company”) entered into a ~~press~~Fourth ~~release~~Amended ~~announcing~~and Restated Senior Secured Revolving Credit Agreement to amend and restate that certain itThird ~~will~~Amended ~~release~~and ~~its~~Restated ~~financial~~Senior ~~results~~Secured ~~for~~Revolving Credit Agreement, dated as of April 4, 2025, by and among the ~~quarter~~Company, ~~ended~~as borrower, ~~June 30~~JPMorgan Chase Bank, ~~2026~~N.A., onas ~~Monday~~administrative agent and as collateral agent, ~~August 3~~and the lenders, ~~2026~~syndication ~~after~~agents, joint bookrunners, and joint lead arrangers party thereto (as amended, supplemented and restated, the ~~close~~“A&R ofJPM Credit Facility”; all capitalized terms used herein but not defined herein shall take their respective meanings from the ~~financial~~A&R ~~markets~~JPM Credit Facility). The A&R ~~copy~~JPM Credit Facility, among other things, (i) extends the revolving period from April 4, 2029 to July 2, 2030, (other than with respect to the non-extending lender in the amount of ~~this~~$200,000,000), ~~press~~(ii) ~~release~~extends isthe ~~attached~~maturity ~~hereto~~date asfrom ~~Exhibit~~April 994, 2030 to July 2, 2031 (other than with respect to the non-extending lender), and (iii) removes the Term SOFR Adjustment of 10 basis points.1 The other material terms of the A&R JPM Credit Facility were unchanged.

The ~~information~~foregoing indescription ~~Item~~is ~~2.02~~only ofa ~~this~~summary ~~Current~~of the ~~Report~~material onprovisions ~~Form~~of ~~8-K,~~the ~~including~~A&R ~~Exhibit~~JPM ~~99.1~~Credit ~~furnished~~Facility ~~herewith,~~and is ~~being~~qualified ~~furnished~~in ~~and~~its ~~shall~~entirety ~~not~~by bereference ~~deemed~~to ~~“filed”~~a ~~for~~copy ~~any purpose~~ of ~~Section 18 of~~ the ~~Securities~~A&R ~~Exchange~~JPM Credit ~~Act of 1934~~Facility, aswhich ~~amended~~is ~~(the~~filed ~~“Exchange~~as ~~Act”),~~Exhibit or10.1 ~~otherwise subject~~ to ~~the liabilities of such Section. The information in~~ this Current Report on Form 8-K ~~shall~~and ~~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~~herein.

Item 92.~~01.~~ 03 - Creation of a Direct Financial ~~Statements~~Obligation ~~and~~or ~~Exhibits~~an Obligation under an Off-Balance Sheet Arrangement of Registrant.

~~(d) Exhibits~~The information set forth under Item 1.01 of this current report on Form 8-K is incorporated by reference in this Item 2.03.

~~99.1 Press~~Item ~~release of Golub Capital BDC, Inc~~9.,01 ~~dated~~- asFinancial ofStatements ~~July 7,~~and ~~2026~~ Exhibits.

~~104 Cover Page Interactive Data File~~ (~~embedded within the Inline XBRL document~~d) Exhibits:

SIGNATURES

Exhibit Number		Description
10.1*		Fourth Amended and Restated Senior Secured Revolving Credit Agreement, dated as of July 2, 2026, by and among Golub Capital BDC, Inc., as borrower, JPMorgan Chase Bank, N.A., as administrative agent, and the lenders, syndication agents, joint bookrunners, and joint lead arrangers party thereto.

104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

~~Pursuant~~*Exhibits toand/or ~~the~~schedules ~~requirements~~to ofthis ~~the~~Exhibit ~~Securities~~have been ~~Exchange~~omitted ~~Act~~in ofaccordance ~~1934,~~with ~~Golub~~Item ~~Capital~~601 ~~BDC,~~of ~~Inc~~Regulation S-K. ~~has~~The ~~duly~~registrant ~~caused~~agrees ~~this~~to ~~report~~furnish tosupplementally bea ~~signed~~copy onof ~~its~~all ~~behalf~~omitted byexhibits and/or schedules to the ~~undersigned~~SEC ~~hereunto~~upon ~~duly~~its ~~authorized~~request.

						GOLUB CAPITAL BDC, INC.
Date: July 7, 2026						By: /s/ Christopher C. Ericson
						Name: Christopher C. Ericson
						Title: Chief Financial Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Golub Capital BDC, Inc.

Date: July 9, 2026	By:	/s/ Christopher C. Ericson
		Name: Christopher C. Ericson
		Title: Chief Financial Officer

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