Thomas Keck - Sep 30, 2025 Form 4 Insider Report for StepStone Group Inc. (STEP)

Role: Director
Signature: /s/ Jennifer Ishiguro, Attorney-in-fact for Thomas Keck
Stock symbol: STEP
Transactions as of: Sep 30, 2025
Transactions value $: $0
Form type: 4
Date filed: 10/1/2025, 06:53 PM
Previous filing: Aug 18, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Keck Thomas	Director	C/O STEPSTONE GROUP INC., 277 PARK AVENUE, 45TH FLOOR, NEW YORK	/s/ Jennifer Ishiguro, Attorney-in-fact for Thomas Keck	2025-10-01	0001821978

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STEP	Class B Common Stock	Gift	$0	-30.6K	-1.2%	$0.00	2.52M	Sep 30, 2025	By Trust	F1
transaction	STEP	Class B Common Stock	Gift	$0	+30.6K		$0.00	30.6K	Sep 30, 2025	By Croft & Company LLC	F1
holding	STEP	Class A Common Stock						14K	Sep 30, 2025	Direct
holding	STEP	Class A Common Stock						101K	Sep 30, 2025	By Trust
holding	STEP	Class B Common Stock						1.65M	Sep 30, 2025	By Cresta Capital, LLC

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Shares	Change %	Shares After	Date	Underlying Class	Amount	Ownership	Footnotes
transaction	STEP	Class B Units	Gift	-30.6K	-1.2%	2.52M	Sep 30, 2025	Class A Common Stock	30.6K	By Trust	F1, F2
transaction	STEP	Class B Units	Gift	+30.6K		30.6K	Sep 30, 2025	Class A Common Stock	30.6K	By Croft & Company LLC	F1, F2
holding	STEP	Class B Units				1.65M	Sep 30, 2025	Class A Common Stock	1.65M	By Cresta Capital, LLC	F2

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

Explanation of Responses:

Id	Content
F1	On September 30, 2025, the Reporting Person transferred 30,623 Class B Units of Stepstone Group LP, together with an equal number of shares of Class B Common Stock (collectively, the "Transferred Interest") to an entity (the "Transferee Entity") owned entirely by a trust established for the benefit of Reporting Person's immediate family (such transaction, the "Transfer"). Pursuant to the terms of the Transfer, the Reporting Person is required to retain the exclusive right to exercise or direct the exercise of voting control in respect of the Transferred Interests. Notwithstanding the foregoing, the Reporting Person disclaims all beneficial ownership of the Transferred Interests.
F2	Class B Units of StepStone Group LP are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

Content

On September 30, 2025, the Reporting Person transferred 30,623 Class B Units of Stepstone Group LP, together with an equal number of shares of Class B Common Stock (collectively, the "Transferred Interest") to an entity (the "Transferee Entity") owned entirely by a trust established for the benefit of Reporting Person's immediate family (such transaction, the "Transfer"). Pursuant to the terms of the Transfer, the Reporting Person is required to retain the exclusive right to exercise or direct the exercise of voting control in respect of the Transferred Interests. Notwithstanding the foregoing, the Reporting Person disclaims all beneficial ownership of the Transferred Interests.

Class B Units of StepStone Group LP are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.