# EDGAR Filing Document

**Accession Number:** 0002082559
**File Stem:** 0001104659-26-028371
**Filing Date:** 2026-3
**Character Count:** 11551
**Document Hash:** aea2754a3550f109b8acdc64f24e9d6c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-028371.hdr.sgml**: 20260316

**ACCESSION NUMBER**: 0001104659-26-028371

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260316

**DATE AS OF CHANGE**: 20260316

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Golub Capital Private Income Fund I
- **CENTRAL INDEX KEY:** 0002082559

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95564
- **FILM NUMBER:** 26756029

**BUSINESS ADDRESS:**
- **STREET 1:** 1209 ORANGE STREET
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
- **BUSINESS PHONE:** 212-750-6060

**MAIL ADDRESS:**
- **STREET 1:** 1209 ORANGE STREET
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Golub David
- **CENTRAL INDEX KEY:** 0001298389

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**MAIL ADDRESS:**
- **STREET 1:** 1125 PARK AVE. 7A
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10128

## Exhibit 99.1

Exhibit 99.1

**JOINT FILING AGREEMENT**

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the "Exchange Act") the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to securities of Golub Capital Private Income Fund I, and further agree to the filing, furnishing, and/or incorporation by reference of this Agreement as an exhibit thereto. Each of them is responsible for the timely filing of such filings and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

---

| | |
|:---|:---|
| Signature: | /s/ David B. Golub |
| Name/Title: | David B. Golub  |
| Date: | 03/16/2026  |
| Signature: | /s/ Lawrence E. Golub  |
| Name/Title: | Lawrence E. Golub |
| Date: | 03/16/2026  |

---

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Golub Capital Private Income Fund I**

*(Name of Issuer)*

**Common Shares, par value $0.01 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**David B. Golub**<br>c/o Golub Capital Private Income Fund I<br>200 Park Avenue, 25th Floor<br>New York NY 10166<br>(212) 750-6060

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

**02/23/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**David B. Golub** | Name of reporting person<br>**David B. Golub** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**503018.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**503018.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**503018.00** | Aggregate amount beneficially owned by each reporting person<br>**503018.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**6.7%** | Percent of class represented by amount in Row (11)<br>**6.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Lawrence E. Golub** | Name of reporting person<br>**Lawrence E. Golub** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**503018.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**503018.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**503018.00** | Aggregate amount beneficially owned by each reporting person<br>**503018.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**6.7%** | Percent of class represented by amount in Row (11)<br>**6.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Shares, par value $0.01 per share

**(b) Name of Issuer:**
Golub Capital Private Income Fund I

**(c) Address of Issuer's Principal Executive Offices:**
200 Park Avenue, 25th Floor, New York, NY, 10166

This Schedule 13D (the "Schedule 13D") relates to the Common Shares, par value $0.01 per share ("Shares"), of Golub Capital Private Income Fund I (the "Issuer").

**Item 4. Purpose of Transaction**

The information in Items 3, 5 and 6 of this Schedule 13D is incorporated herein by reference.

The Shares reported herein were acquired for investment purposes.

Each Reporting Person may make additional purchases of the Issuer's securities depending on the Issuer's business, prospects and financial condition, the market for the Issuer's securities, general economic conditions, money and stock market conditions and other future developments. Each Reporting Person reserves the right to dispose of some or all of their Shares.

Except as described in this Schedule 13D, the Reporting Persons do not have any present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D, although, each Reporting Person, at any time and from time to time, may review, reconsider and change their position and/or change their purpose and/or develop such plans.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The information set forth in the cover pages of this Schedule 13D and Item 3 are hereby incorporated by reference into this Item 5.

Calculation of the percentage of Shares beneficially owned is based on 7,553,715 Shares outstanding as of the date hereof, based on 6,842,282 Shares outstanding as of February 17, 2026, as disclosed by the Issuer in its Quarterly Report on Form 10-Q filed with the SEC on February 17, 2026, plus the 711,433 Shares issued on February 23, 2026, as set forth in the Periodic Report on Form 8-K filed by the Issuer with the SEC on February 24, 2026.

The aggregate number and percentage of Shares beneficially owned by each Reporting Person and the number of Shares as to which there is sole power to vote or to direct the vote, shared power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on rows 7 through 11 and row 13 of each cover page of this Schedule 13D and is incorporated herein by reference.

Neither the filing of this Schedule 13D nor any of its contents shall be deemed to constitute an admission that either Reporting Person is the beneficial owner of the Shares referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose and each Reporting Person expressly disclaims beneficial ownership of such Shares.

**(b)**
The information contained in rows 7 through 10 of each of the cover pages hereto is hereby incorporated by reference into this Item 5(b).

**(c)**
Except as set forth in this Schedule 13D, neither Reporting Person has effected any transaction in Shares in the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

The information set forth in or incorporated by reference in Item 4 of this Schedule 13D is incorporated by reference into this Item 6.

Except as described in this Schedule 13D, there are no contracts, arrangements, understandings or relationships with respect to securities of the Issuer between the Reporting Persons and any other person, with respect to the Shares of the Issuer.

### 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.

**Reporting Person:** David B. Golub

**Signature:** /s/ David B. Golub

**Name/Title:** David B. Golub

**Date:** 03/16/2026

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.

**Reporting Person:** Lawrence E. Golub

**Signature:** /s/ Lawrence E. Golub

**Name/Title:** Lawrence E. Golub

**Date:** 03/16/2026