| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lynch Desmond | SVP, CFO | C/O RAMBUS INC, 4453 N. FIRST ST, #100, SAN JOSE | /s/ Brian Wu, by power of attorney | 03 Feb 2026 | 0001941085 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RMBS | Common Stock | Award | $0 | +34,554 | +62% | $0.000000 | 89,996 | 01 Feb 2026 | Direct | F1, F2 |
| transaction | RMBS | Common Stock | Tax liability | $2,513,560 | -22,105 | -25% | $113.71 | 67,891 | 01 Feb 2026 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | The shares are represented by performance restricted stock units, or PRSUs, all of which vest on February 1, 2026 based upon assessed achievement of the Company's performance metrics and continued service to the Company through the vesting date. Each PRSU represents a contingent right to receive one share of RMBS common stock. |
| F2 | Includes an exempt transaction of 86 shares acquired through the Rambus, Inc. 2015 Employee Stock Purchase Plan |
| F3 | The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs. |