October 31, 2025 · Form 4 insider transaction
McCaffery Stephen J. bought 108,006 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 4 days after the transaction.
Each RSU and PSU converts into common stock on a one-for-one basis.; The RSUs were awarded on October 31, 2025 and vest as to 36,002 shares on the first anniversary of the date of grant, with the remaining RSUs vesting in four equal semi-annual installments thereafter through October 31, 2028.