| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RBBN | Common Stock | Exercise of in-the-money or at-the-money derivative security | $15,953 | +3,910 | +0.01% | $4.08 | 49,952,303 | 26 Jan 2022 | Through Subsidiary |