# EDGAR Filing Document

**Accession Number:** 0001796022
**File Stem:** 0001193125-25-207452
**Filing Date:** 2025-9
**Character Count:** 21349
**Document Hash:** 240d9ab7ff521487cd4e78d1494767cb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-207452.hdr.sgml**: 20250918

**ACCESSION NUMBER**: 0001193125-25-207452

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250918

**DATE AS OF CHANGE**: 20250918

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StepStone Group Inc.
- **CENTRAL INDEX KEY:** 0001796022
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 843868757
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91686
- **FILM NUMBER:** 251323770

**BUSINESS ADDRESS:**
- **STREET 1:** 277 PARK AVENUE
- **STREET 2:** 45TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10172
- **BUSINESS PHONE:** 1-212-351-6100

**MAIL ADDRESS:**
- **STREET 1:** 277 PARK AVENUE
- **STREET 2:** 45TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10172
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Brem Monte M
- **CENTRAL INDEX KEY:** 0001822443

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** 450 LEXINGTON AVENUE, 31ST FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 21)**

**StepStone Group Inc.**

*(Name of Issuer)*

**Class A Common Stock, Par Value $0.001 Per Share**

*(Title of Class of Securities)*

**85914M107**

*(CUSIP Number)*

**Jennifer Y. Ishiguro**<br>StepStone Group Inc.<br>277 Park Avenue, 45th Floor<br>New York NY 10172<br>(212) 351-6100

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

**09/18/2025**

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

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Monte M. Brem** | Name of reporting person<br>**Monte M. Brem** | |
| 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>**2276888.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**2276888.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**2276888.00** | Aggregate amount beneficially owned by each reporting person<br>**2276888.00** | |
| 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>**2.8%** | Percent of class represented by amount in Row (11)<br>**2.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Scott W. Hart** | Name of reporting person<br>**Scott W. Hart** | |
| 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>**3130490.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3130490.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3130490.00** | Aggregate amount beneficially owned by each reporting person<br>**3130490.00** | |
| 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>**3.8%** | Percent of class represented by amount in Row (11)<br>**3.8%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Jason P. Ment** | Name of reporting person<br>**Jason P. Ment** | |
| 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>**1136579.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1136579.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1136579.00** | Aggregate amount beneficially owned by each reporting person<br>**1136579.00** | |
| 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>**1.4%** | Percent of class represented by amount in Row (11)<br>**1.4%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Jose A. Fernandez** | Name of reporting person<br>**Jose A. Fernandez** | |
| 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>**5033311.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**5033311.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**5033311.00** | Aggregate amount beneficially owned by each reporting person<br>**5033311.00** | |
| 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>**6.0%** | Percent of class represented by amount in Row (11)<br>**6.0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Michael I. McCabe** | Name of reporting person<br>**Michael I. McCabe** | |
| 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>**3449717.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**3449717.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3449717.00** | Aggregate amount beneficially owned by each reporting person<br>**3449717.00** | |
| 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>**4.2%** | Percent of class represented by amount in Row (11)<br>**4.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **85914M107** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Thomas Keck** | Name of reporting person<br>**Thomas Keck** | |
| 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>**4299538.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**4299538.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**4299538.00** | Aggregate amount beneficially owned by each reporting person<br>**4299538.00** | |
| 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>**5.2%** | Percent of class represented by amount in Row (11)<br>**5.2%** | |
| 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:**
Class A Common Stock, Par Value $0.001 Per Share

**(b) Name of Issuer:**
StepStone Group Inc.

**(c) Address of Issuer's Principal Executive Offices:**
277 Park Avenue, 45th Floor, New York, NY, 10172

This statement on Schedule 13D (this "Statement") relates to the Reporting Persons' (as defined in Item 2 below) beneficial ownership interest in the Class A common stock, par value $0.001 per share (the "Class A Common Stock"), of StepStone Group Inc., a Delaware corporation (the "Issuer"). The address of the principal executive offices of the Issuer is 277 Park Avenue, 45th Floor, New York, NY 10172.

This amendment (the "Amendment") amends the prior statement on Schedule 13D filed by the Reporting Persons with the Securities and Exchange Commission on September 21, 2020, as amended on March 25, 2021, September 29, 2021, October 28, 2021, November 4, 2021, November 26, 2021, October 20, 2022, November 18, 2022, March 10, 2023, January 10, 2024, February 9, 2024, February 14, 2024, February 27, 2024, April 9, 2024, April 22, 2024, May 1, 2024, August 21, 2024, September 13, 2024, December 5, 2024, January 8, 2025 and June 6, 2025 (the "Original Filing" and, as amended by this Amendment, the "Schedule 13D"). Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to them in the Original Filing.

**Item 4. Purpose of Transaction**

Item 4 of the Schedule 13D is hereby amended and supplemented as follows:

In August 2025, Mr. Fernandez entered into a 10b5-1 Plan with Morgan Stanley Smith Barney LLC, which provides for the sale of up to 211,210 shares of Class A Common Stock.

All sales of shares of Class A Common Stock under the 10b5-1 Plan are subject to certain minimum price conditions.

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

**(a)**
(a) and (b) Items 5(a) and 5(b) of Schedule 13D are amended to reflect the following:

The following table sets forth the aggregate number and percentage of the Class A Common Stock beneficially owned by each Reporting Person. The aggregate number and percentage of the Class A Common Stock beneficially owned by each Reporting Person is calculated in accordance with Rule 13d-3, but excluding any shares beneficial owned solely by virtue of the Stockholders Agreement.

As of September 12, 2025, each of the Reporting Persons may have been deemed to have beneficial ownership over 42,227,381 shares of voting stock held by Class A stockholders, Class B stockholders, Class C unitholders and Class D unitholders party to the Stockholders Agreement (inclusive of the shares listed in the table), representing 37.5% of Class A Common Stock outstanding (assuming that the 32,331,035 Class B Units, the 947,761 Class C Units and the 709,773 Class D Units subject to the Stockholders Agreement and eligible to be exchanged are exchanged), which have been omitted from the table below.

                                                                                    Number of                                                           Percentage of
                                                                                    Shares With                                                                Class
                                                                                    Dispositive                                                           A Common Stock
Reporting Person                                                        Power                                                                   Outstanding(1)

Monte M. Brem                                                            2,276,888                                                                 2.8%

Scott W. Hart                                                               3,130,490                                                                  3.8%

Jason P. Ment                                                             1,136,579                                                                  1.4%

Jose A. Fernandez                                                      5,033,311                                                                  6.0%

Michael I. McCabe                                                      3,449,717                                                                  4.2%

Thomas Keck                                                             4,299,538                                                                   5.2%

(1) Based on 78,563,710 shares of Class A Common Stock issued and outstanding as of September 12, 2025, and assuming that the Reporting Persons exchange all of the Class B Units held directly or indirectly by them for shares of Class A Common Stock on a one-for-one basis, but no other Reporting Person or party to the Stockholders Agreement exchanges their Class B Units, Class C Units or Class D Units.

**(b)**
—

**(c)**
(c) Item 5(c) of Schedule 13D is hereby amended and supplemented as follows:

Other than the transactions described below and disclosed in the Original Filing, the Reporting Persons have not effected any transactions involving the beneficial ownership of Class A Common Stock during the 60 days prior to the date of this Statement. With respect to the sale transactions reported below, each day's sales comprised open market transactions made on that day, and the price per share reported is the weighted average sale price. The Reporting Persons hereby undertake to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer full information regarding the number of Common Stock and prices at which the trades were effected.

Pursuant to his 10b5-1 Plan, Mr. Hart sold: 10,000 shares of Class A Common Stock at $61.28 per share on July 25, 2025; and 10,000 shares of Class A Common Stock at $61.44 per share on August 25, 2025. In each case the shares sold by Mr. Hart were owned by a family trust.

### 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:** Monte M. Brem

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Monte M. Brem

**Date:** 09/18/2025

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:** Scott W. Hart

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Scott W. Hart

**Date:** 09/18/2025

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:** Jason P. Ment

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Jason P. Ment

**Date:** 09/18/2025

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:** Jose A. Fernandez

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Jose A. Fernandez

**Date:** 09/18/2025

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:** Michael I. McCabe

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Michael I. McCabe

**Date:** 09/18/2025

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:** Thomas Keck

**Signature:** /s/ Jennifer Ishiguro, Attorney-in-Fact

**Name/Title:** Thomas Keck

**Date:** 09/18/2025