X0508 4 2025-12-15 0 0001023731 8X8 INC /DE/ EGHT 0001915510 Middleton Hunter C/O 8X8 INC. 675 CREEKSIDE WAY CAMPBELL CA 95008 0 1 0 0 Chief Product Officer 0 Common Stock 2025-12-15 4 F 0 16079 2.06 D 737987 D Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person. /s/ Cheriese M. Dickman as Attorney-in-Fact for Hunter Middleton 2025-12-18