| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OS | Class A Common Stock | Conversion of derivative security | +46,411 | 46,411 | 24 Mar 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OS | Common Units | Conversion of derivative security | $0 | -46,411 | -18% | $0.000000 | 206,949 | 24 Mar 2025 | Class D Common Stock | 46,411 | Direct | F2, F3 | |
| transaction | OS | Class D Common Stock | Conversion of derivative security | $0 | +46,411 | $0.000000 | 46,411 | 24 Mar 2025 | Class A Common Stock | 46,411 | Direct | F2, F4 | ||
| transaction | OS | Class D Common Stock | Conversion of derivative security | $0 | -46,411 | -100% | $0.000000 | 0 | 24 Mar 2025 | Class A Common Stock | 46,411 | Direct | F1, F4 | |
| holding | OS | Common Units | 40,051 | 24 Mar 2025 | Class D Common Stock | 40,051 | $0.000000 | See footnote | F3, F5 |
| Id | Content |
|---|---|
| F1 | The Class A Common Stock was acquired upon the conversion, at the holder's election, of Class D Common Stock held by the holder on a 1:1 basis. |
| F2 | On March 24, 2025, the holder redeemed 46,411 Common Units of OneStream Software LLC, and 46,411 shares of the holder's Class C Common Stock were cancelled, in exchange for 46,411 shares of Class D Common Stock. |
| F3 | The Common Units may be redeemed by the holder for shares of Class D Common Stock on a 1:1 basis, and an equal number of the holder's shares of Class C Common Stock (which have no economic rights) will be cancelled in connection with the redemption. The Common Units have no expiration date. |
| F4 | The Class D Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis. Each outstanding share of Class D Common Stock will automatically convert into one share of Class A Common Stock upon the earlier of (i) any transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation, (ii) death or incapacity (if the holder is a natural person), and (iii) the first trading day following the seventh anniversary of the Issuer's initial public offering. |
| F5 | Held by the Jonathan D. Mariner Revocable Trust, of which the Reporting Person is a trustee. |