X0609 4 2026-05-29 0 0001702780 Optimum Communications, Inc. OPTU 0001207059 SCHNABEL SUSAN C false 1 COURT SQUARE WEST LONG ISLAND CITY NY 11101 1 0 0 0 0 Class A common stock 2026-05-29 2026-05-29 4 D 0 58000 D 125697 D On May 29, 2026, Ms. Schnabel agreed to contribute 58,000 shares of Class A common stock of the Issuer to CSC Investments II LLC ("CSC"), a wholly-owned subsidiary of the Issuer, in exchange for 145 Preferred Units in CSC. The exchange was approved in advance by the Board of Directors of the Issuer pursuant to Rule 16b-3(e) under the Securities Exchange Act of 1934. /s/ Susan C. Schnabel 2026-06-02