| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gibbs Jonathan | CDCO | C/O RIOT PLATFORMS, INC., 3855 AMBROSIA STREET, SUITE 301, CASTLE ROCK | /s/ Tanya McGill, Attorney-in-Fact for Jonathan Gibbs | 2025-12-03 | 0002071620 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RIOT | Common Stock | Tax liability | -$942K | -60.9K | -10.43% | $15.48 | 523K | Dec 1, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld by the Issuer to satisfy tax withholding requirements upon vesting of restricted shares of the Issuer's common stock. |