StepStone Group CFO acquires 70 shares via plan

Park's $36.89 per-share price represented 85% of the plan-defined fair market value as of September 30, 2026.

Rhea-AI Filing Summary

StepStone Group Inc. Chief Financial Officer David Y. Park acquired 70 shares of Class A Common Stock through the Employee Stock Purchase Plan on September 30, 2026, at $36.89 per share. His reported direct holdings after the transaction were 50,775 shares. The plan price was 85% of the lower closing sales price on the first or last trading day of the six-month offering period.

Insider Trade Summary

Grant/Award: 70 shares

Grant/Award 1 txn

Insider Park David Y

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1	70	$36.89	$3K

Holdings After Transaction: Class A Common Stock — 50,775 shares (Direct)

Footnotes (1)

1. F1. On September 30, 2026, the Reporting Person purchased 70 shares of Class A Common Stock pursuant to the Issuer's Employee Stock Purchase Plan (the "ESPP"). The ESPP provides that eligible employees may purchase shares of Class A Common Stock at six-month period intervals for a price equal to 85% of the lower of the closing sales price of one share of Class A Common Stock (such price, the "Fair Market Value") on either the first or last trading day of the offering period. The price paid by the Reporting Person represents 85% of the Fair Market Value as of September 30, 2026.

Key Figures

Shares acquired: 70 shares Price per share: $36.89 per share Direct shares following transaction: 50,775 shares

3 metrics

Shares acquired 70 shares Class A Common Stock; September 30, 2026

Price per share $36.89 per share Employee Stock Purchase Plan transaction on September 30, 2026

Direct shares following transaction 50,775 shares Reported after the September 30, 2026 transaction

Key Terms

Employee Stock Purchase Plan, Fair Market Value, offering period

3 terms

Employee Stock Purchase Plan financial

"purchased ... pursuant to the Issuer's Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Fair Market Value financial

"such price, the "Fair Market Value""

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

offering period financial

"on either the first or last trading day of the offering period"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did STEP CFO David Y. Park acquire?

David Y. Park acquired 70 shares of Class A Common Stock on September 30, 2026. His reported direct holdings following the transaction were 50,775 shares.

How was the STEP Employee Stock Purchase Plan price determined?

The plan price was 85% of the lower closing sales price on the first or last trading day of the six-month offering period. The footnote states Park's price represented 85% of fair market value as of September 30, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/01/2026 - 05:01 PM Accepted by SEC EDGAR 10/01/2026 - 05:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Park David Y

(Last) (First) (Middle)

C/O STEPSTONE GROUP INC.

277 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10172

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
StepStone Group Inc. [ STEP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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
Class A Common Stock	09/30/2026		A(1)		70	A	$36.89(1)	50,775	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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. On September 30, 2026, the Reporting Person purchased 70 shares of Class A Common Stock pursuant to the Issuer's Employee Stock Purchase Plan (the "ESPP"). The ESPP provides that eligible employees may purchase shares of Class A Common Stock at six-month period intervals for a price equal to 85% of the lower of the closing sales price of one share of Class A Common Stock (such price, the "Fair Market Value") on either the first or last trading day of the offering period. The price paid by the Reporting Person represents 85% of the Fair Market Value as of September 30, 2026.

Remarks:

	/s/ Jennifer Ishiguro, Attorney-in-fact for David Y. Park	10/01/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)