| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hohenstein Ken | Chief Revenue Officer | C/O ONESTREAM, INC., 191 N. CHESTER STREET, BIRMINGHAM | /s/ Holly Koczot, attorney-in-fact | 12 Jun 2025 | 0002031265 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OS | Class A Common Stock | Sale | $177,284 | -6,280 | -0.62% | $28.23 | 1,003,163 | 11 Jun 2025 | Direct | F1, F2 |
| holding | OS | Class A Common Stock | 790,279 | 11 Jun 2025 | See Footnote | F3 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plan to require the satisfaction of statutory tax withholding obligations in connection with the vesting of restricted stock units to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person. |
| F2 | The shares reported include unvested restricted stock units. |
| F3 | Shares held by the Hohenstein Purple Elephant 2019 Irrevocable Grantor Trust (the "Hohenstein Purple Elephant Trust"). The Reporting Person may be deemed to have voting and dispositive power over the shares held by the Hohenstein Purple Elephant Trust. |