David Y. Park - 01 Oct 2025 Form 4 Insider Report for StepStone Group Inc. (STEP)

Role: Chief Financial Officer
Signature: /s/ Jennifer Ishiguro, Attorney-in-fact for David Y. Park
Issuer symbol: STEP
Transactions as of: 01 Oct 2025
Net transactions value: +$4,993
Form type: 4
Filing time: 01 Oct 2025, 18:55:22 UTC
Previous filing: 12 Sep 2025
Next filing: 17 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Park David Y	Chief Financial Officer	C/O STEPSTONE GROUP INC., 277 PARK AVENUE, 45TH FLOOR, NEW YORK	/s/ Jennifer Ishiguro, Attorney-in-fact for David Y. Park	01 Oct 2025	0001822773

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STEP	Class A Common Stock	Award	$4,993	+109	+0.5%	$45.81	22,129	01 Oct 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On October 1, 2025, the Reporting Person purchased 109 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 April 1, 2025.

Content

On October 1, 2025, the Reporting Person purchased 109 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 April 1, 2025.