X0508 4 2025-11-21 0001084048 ZIFF DAVIS, INC. ZD 0001273809 ROSSEN JEREMY C/O ZIFF DAVIS, INC. 360 PARK AVE S., 17TH FL NEW YORK NY 10010 false true false false EVP/General Counsel 0 Common Stock, $0.01 par value 2025-11-21 4 M false 754 0 A 16925 D Common Stock, $0.01 par value 2025-11-21 4 F false 382 30.35 D 16543 D Common Stock, $0.01 par value 2000 I See footnote. Restricted Stock Units 2025-11-21 4 M false 754 0 D 2025-11-21 Common Stock, $0.01 par value 754 0 D Payment for a tax liability by withholding securities incident to vesting of Restricted Stock Units ("RSUs") under the Issuer's 2015 Stock Option Plan. Reflects shares held by The Jeremy and Gina Rossen Family Trust, of which the Reporting Person and his spouse are trustees and the Reporting Person's children are the beneficiaries. RSUs convert into common stock on a one-for-one basis. There are no expiration dates on RSUs. /s/ Jeremy Rossen 2025-11-24