X0609 4 2026-09-06 0 0001023731 8X8 INC /DE/ EGHT 0001814487 Wilson Samuel C. false C/O 8X8, INC. 675 CREEKSIDE WAY CAMPBELL CA 95008 0 1 0 0 Chief Executive Officer 0 Common Stock 2026-09-06 4 F 0 26055 1.89 D 2571706 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 Dickman as Attorney-in-Fact for Samuel C Wilson 2026-09-09