| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mhatre Ravi | Director, 10%+ Owner | 2200 SAND HILL ROAD, MENLO PARK | /s/ Ravi Mhatre | 2025-07-02 | 0001366050 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RBRK | Class A Common Stock | Sale | -$1.52M | -17K | -100% | $89.47 | 0 | Jun 30, 2025 | By Lightspeed Management Company, L.L.C. | F1, F2 |
| holding | RBRK | Class A Common Stock | 81.8K | Jun 30, 2025 | Direct | ||||||
| holding | RBRK | Class A Common Stock | 397K | Jun 30, 2025 | By Mhatre Investments LP - Fund 2 | F3 | |||||
| holding | RBRK | Class A Common Stock | 649 | Jun 30, 2025 | By Trust | F4 | |||||
| holding | RBRK | Class A Common Stock | 75.5K | Jun 30, 2025 | By Mhatre Investments LP - Fund 3 | F5 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.30 to $89.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F2 | Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). The Reporting Person is a managing member of LMC and shares voting and dispositive power with respect to the shares held by LMC. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. |
| F3 | The Reporting Person serves as trustee of the general partner of Mhatre Investments LP - Fund 2. |
| F4 | The Reporting Person is the trustee of the Mhatre 2011 Irrevocable Children's Trust. |
| F5 | The Reporting Person serves as trustee of the general partner of Mhatre Investments LP - Fund 3. |