| 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 | 12 Sep 2025 | 0001822773 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEP | Class A Common Stock | Sale | $63,260 | -1,000 | -4.3% | $63.26 | 22,020 | 11 Sep 2025 | Direct |