# EDGAR Filing Document

**Accession Number:** 0001715268
**File Stem:** 0001262866-23-000003
**Filing Date:** 2023-2
**Character Count:** 7736
**Document Hash:** 41c582c74561944795caff6335ab5e67
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001262866-23-000003.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001262866-23-000003

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20200831

**FILED AS OF DATE**: 20230216

**DATE AS OF CHANGE**: 20230216

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** WEBSTER WILLIAM M IV
- **CENTRAL INDEX KEY:** 0001262866

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 814-01244
- **FILM NUMBER:** 23639557

**MAIL ADDRESS:**
- **STREET 1:** 120 N LASALLE ST
- **STREET 2:** SUITE 3300
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60602
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Golub Capital BDC 3, Inc.
- **CENTRAL INDEX KEY:** 0001715268
- **IRS NUMBER:** 822375481
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0930

**BUSINESS ADDRESS:**
- **STREET 1:** 200 PARK AVENUE
- **STREET 2:** 25TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10166
- **BUSINESS PHONE:** (212) 750-6060

**MAIL ADDRESS:**
- **STREET 1:** 200 PARK AVENUE
- **STREET 2:** 25TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10166

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>WEBSTER WILLIAM M IV<br><sub>(Last) (First) (Middle)</sub><br>C/O GOLUB CAPITAL BDC 3, INC.<br>200 PARK AVENUE, 25TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10166<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2020-08-31 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Golub Capital BDC 3, Inc. [ NONE ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock, par value $0.001 per share |  |  |  |  |  |  |  | 35612.778 | I | By GEMS Fund 4, L.P.<sup>(1)</sup> |
| Common Stock, par value $0.001 per share | 2020-08-31 |  | P |  | 2043.272 | A | $14.68 | 2043.272 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-01-12 |  | P |  | 2666.667 | A | $15 | 4767.282 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-02-26 |  | P |  | 2666.667 | A | $15 | 7433.949 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-05-07 |  | P |  | 3333.333 | A | $15 | 10801.633 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-06-15 |  | P |  | 3999.999 | A | $15 | 14974.932 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-07-26 |  | P |  | 3333.333 | A | $15 | 18583.664 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-08-10 |  | P |  | 5000 | A | $15 | 23583.664 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-09-14 |  | P |  | 6666.667 | A | $15 | 30250.331 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-10-05 |  | P |  | 3000 | A | $15 | 33335.80 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-10-18 |  | P |  | 13333.333 | A | $15 | 46669.133 | I | By Trust |
| Common Stock, par value $0.001 per share | 2021-12-10 |  | P |  | 3333.333 | A | $15 | 50377.271 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-01-13 |  | P |  | 7000 | A | $15 | 58107.60 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-03-14 |  | P |  | 4500 | A | $15 | 63015.463 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-04-19 |  | P |  | 4500 | A | $15 | 67879.288 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-05-16 |  | P |  | 4500 | A | $15 | 73396.032 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-06-16 |  | P |  | 9000 | A | $15 | 82396.032 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-08-05 |  | P |  | 9070.907 | A | $14.88 | 92284.089 | I | By Trust |
| Common Stock, par value $0.001 per share | 2022-11-01 |  | P |  | 4533.244 | A | $14.89 | 97366.243 | I | By Trust |
| Common Stock, par value $0.001 per share | 2023-02-13 |  | P |  | 4573.171 | A | $14.76 | 103770.344 | I | By Trust |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Owned indirectly by Mr. Webster through an investment in GEMS Fund 4, L.P.

**Signature:** /s/ William M. Webster IV  
**Date:** 2023-02-16

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**