December 15, 2025 · Form 4 insider transaction
Marmurek Eric S sold 169,721 shares of RIBBON COMMUNICATIONS INC at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Eash RSU represents a contingent right to receive one share of the Registrant's common stock.; 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.