| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hlibowicki Wojciech | Chief Technology Officer | 444 GULF OF MEXICO DR, LONGBOAT KEY | /s/ Sergey Milyukov, as Attorney-in-Fact | 18 Nov 2025 | 0001947979 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RUM | Class A Common Stock, par value $0.0001 per share | Tax liability | -$5.17K | -917 | -1.07% | $5.64 | 85K | 14 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents the withholding of shares by the Issuer to satisfy tax liability arising from the vesting of restricted stock units. The restricted stock units vest in four substantially equal annual installments, with the third vesting date occurring on November 14, 2025. Mr. Hlibowicki did not sell any shares as part of the transaction reported on this Form 4. |