1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON,DC 20549Form 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended September 30,2018orTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934
2、For the transition period fromtoCommission file number:814-00794GOLUB CAPITAL BDC,INC.(Exact Name of Registrant as Specified in its Charter)Delaware27-2326940(State or Other Jurisdiction ofIncorporation or Organization)(I.R.S.EmployerIdentification No.)666 Fifth Avenue,18thFloor,New York,NY10103(Add
3、ress of Principal Executive Offices)(Zip Code)(212)750-6060(Registrant s Telephone Number,Including Area Code)Securities registered pursuant to Section 12(b)of the Act:Title of Each ClassName of Each Exchange on Which RegisteredCommon Stock,par value$0.001 per shareThe NASDAQ Stock Market LLCSecurit
4、ies registered pursuant to Section 12(g)of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d)of the Act.Yes N
5、o Indicate by check mark whether the registrant:(1)has filed all reports required to be filed by Section 13 or 15(d)of the SecuritiesExchange Act of 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports),and(2)has been subject to such fi
6、ling requirements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuantto Rule 405 of Regulation S-T(232.405 of this chapter)during the preceding 12 months(or for such shorter period that t