| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GRAYSON BRUNS H | Director | C/O RIBBON COMMUNICATIONS, 6500 CHASE OAKS BLVD., PLANO | Patrick Macken, By POA from Bruns Grayson, Director | 20 Jan 2026 | 0001204899 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RBBN | Common Stock | Award | +11,718 | +1.6% | 767,428 | 15 Jan 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors and committees thereof. |
| F2 | Price determined in accordance with Registrant's Non-Employee Director Compensation Policy. |