Marmurek Eric S 4
4 · Ribbon Communications Inc. · Filed Dec 16, 2025
Insider Transaction Report
Form 4
Marmurek Eric S
SVP, Deputy CFO and CAO
Transactions
- Award
Restricted Stock Units (RSUs)
2025-12-15−169,721→ 169,721 total→ Common Stock (169,721 underlying)
Footnotes (2)
- [F1]Eash RSU represents a contingent right to receive one share of the Registrant's common stock.
- [F2]The RSUs were issued on December 12, 2025 and will vest as to 50% on December 15, 2026, with the remaining 50% of the RSUs vesting on December 15, 2027.