# EDGAR Filing Document

**Accession Number:** 0001957892
**File Stem:** 0001193125-26-245064
**Filing Date:** 2026-5
**Character Count:** 8095
**Document Hash:** 3dbac73ef8de2339b06baa49b1a447a0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-245064.hdr.sgml**: 20260528

**ACCESSION NUMBER**: 0001193125-26-245064

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230817

**FILED AS OF DATE**: 20260528

**DATE AS OF CHANGE**: 20260528

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** StepStone Group LP
- **CENTRAL INDEX KEY:** 0001502287

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-23848
- **FILM NUMBER:** 261034942

**BUSINESS ADDRESS:**
- **STREET 1:** 4225 EXECUTIVE SQUARE
- **STREET 2:** SUITE 1600
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037
- **BUSINESS PHONE:** 858-558-9700

**MAIL ADDRESS:**
- **STREET 1:** 4225 EXECUTIVE SQUARE
- **STREET 2:** SUITE 1600
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037

**FORMER NAME:**
- **FORMER CONFORMED NAME:** StepStone Group LLC
- **DATE OF NAME CHANGE:** 20100928
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StepStone Private Infrastructure Fund
- **CENTRAL INDEX KEY:** 0001957892

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**BUSINESS ADDRESS:**
- **STREET 1:** 128 S. TRYON ST., SUITE 1600
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28202
- **BUSINESS PHONE:** 704-215-4300

**MAIL ADDRESS:**
- **STREET 1:** 128 S. TRYON ST., SUITE 1600
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28202

### 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>StepStone Group LP<br><sub>(Last) (First) (Middle)</sub><br>4275 EXECUTIVE SQUARE, SUITE 1600<br><sub>(Street)</sub><br>LA JOLLA, CA 92037<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-08-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>StepStone Private Infrastructure Fund [ STRUX ] | **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 |
| Class I Common Shares of Beneficial Interest | 2023-08-17 |  | J<sup>(1)</sup> |  | 3000 | D | <sup>(1)</sup> | 7000 | D |  |
| Class D Common Shares of Beneficial Interest | 2023-08-17 |  | J<sup>(1)</sup> |  | 1000 | A | <sup>(1)</sup> | 1007.20<sup>(2)</sup> | D |  |
| Class S Common Shares of Beneficial Interest | 2023-08-17 |  | J<sup>(1)</sup> |  | 1000 | A | <sup>(1)</sup> | 1000 | D |  |
| Class T Common Shares of Beneficial Interest | 2023-08-17 |  | J<sup>(1)</sup> |  | 1000 | A | <sup>(1)</sup> | 1000 | D |  |
| Class I Common Shares of Beneficial Interest | 2023-09-28 |  | P |  | 50050.050 | A | $9.99 | 57050.05 | D |  |
| Class I Common Shares of Beneficial Interest | 2024-01-10 |  | P |  | 215517.24 | A | $11.60 | 274528.47<sup>(2)</sup> | D |  |
| Class T Common Shares of Beneficial Interest | 2025-01-17 |  | J<sup>(3)</sup> |  | 1003.02<sup>(4)</sup> | D | <sup>(3)</sup> | 0 | D |  |
| Class S Common Shares of Beneficial Interest | 2025-01-17 |  | J<sup>(3)</sup> |  | 1002.82 | A | <sup>(3)</sup> | 2002.82 | D |  |
| Class S Common Shares of Beneficial Interest | 2026-05-18 |  | J<sup>(5)</sup> |  | 2014.25<sup>(4)</sup> | D | <sup>(5)</sup> | 0 | D |  |
| Class U Common Shares of Beneficial Interest | 2026-05-18 |  | J<sup>(5)</sup> |  | 2014.25 | A | <sup>(5)</sup> | 2014.25 | D |  |

---

## 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) On August 17, 2023, the Reporting Person exchanged 3,000 Class I common shares of beneficial interest (the "Shares") for 1,000 Class D, 1,000 Class S and 1,000 Class T Shares for no consideration in connection with the seeding of new share classes.

(2) Reflects Share ownership as of the date of this Form 4 filing and includes Shares recieved pursuant to the Issuer's dividend reinvestment plan.

(3) On January 17, 2025, the Reporting Person exchanged 1,003.02 Class T Shares for 1,002.82 Class S Shares for no consideration.

(4) Includes Shares received pursuant to the Issuer's dividend reinvestment plan.

(5) On May 18, 2026, the Reporting Person exchanged 2,014.25 Class S Shares for 2,014.25 Class U Shares for no consideration.

**Remarks:**
StepStone Group Holdings LLC is the general partner of Stepstone Group LP. StepStone Group Inc. is the sole managing member of StepStone Group Holdings LLC.

**Signature:** /s/ Jennifer Y. Ishiguro - for StepStone Group LP, By: StepStone Group Holdings LLC, its General Partner, By: Jennifer Y. Ishiguro, Partner, Chief Legal Officer & Secretary  
**Date:** 2026-05-27

### 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.**