Insider · CIK 0001720721
Eric S Marmurek
Files at: RBBN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2018 FForm 4 → | Nov 19, 4:26 pm EST | Ribbon Communications Inc.RBBN | 2,178 | $6.12 | $13,329 | 26,970 | — | plan? |
| Nov 15, 2017 AForm 4 → | Nov 17, 5:05 pm EST | Sonus Networks, Inc.SONS | 26,833 | — | — | 29,148 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 AForm 4 → | Jun 17, 4:44 pm EDT | Ribbon Communications Inc.RBBN | 300,000 | — | — | 60,000 | — |