GBDC Golub Capital BDC Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Teune Ross	2. Issuer Name and Ticker or Trading Symbol GOLUB CAPITAL BDC, Inc. [ GBDC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) CFO and Treasurer
(Last)          (First)          (Middle) C/O GOLUB CAPITAL BDC, INC., 666 FIFTH AVENUE, 18TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 3/12/2021
(Street) NEW YORK, NY 10103 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock, par value $.001 per share	3/12/2021		J(1)		5843	A	$0	26076	D
Common stock, par value $.001 per share								787	I	By GEMS Fund, L.P. (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	5,843 shares granted by Golub Capital LLC on March 12, 2021 at a grant price of $14.72. Shares are restricted and will vest over three years, beginning February 28, 2022.
(2)	Owned indirectly by Mr. Teune through an investment in GEMS Fund, L.P. which as of the date of this filing owns 4,544,626.763 shares.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Teune Ross C/O GOLUB CAPITAL BDC, INC. 666 FIFTH AVENUE, 18TH FLOOR NEW YORK, NY 10103			CFO and Treasurer

Signatures
/s/ Ross A. Teune		3/16/2021
**Signature of Reporting Person		Date