X0306 4 2022-12-30 0 0001776909 CuriosityStream Inc. CURI 0001228716 HUBERMAN JONATHAN 8484 GEORGIA AVE., SUITE 700 SILVER SPRING MD 20910 1 0 0 0 Common Stock 2022-12-30 4 M 0 14755 A 24922 D Common Stock 1554437 I By 211 LV LLC Restricted Stock Units 2022-12-30 4 M 0 14755 0.00 A Common Stock 14755 0 D On December 30, 2022, the 14,755 restricted stock units previously granted to Mr. Huberman under the Company's 2020 Omnibus Incentive Plan (the "Plan") vested and converted into shares of the Company's common stock on a one-for-one basis. Mr. Huberman holds these securities indirectly as the reporting person and managing member of 211 LV LLC and may be deemed to share beneficial ownership of the securities held directly by 211 LV LLC, and disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly. /s/ Tia Cudahy as attorney-in-fact for Jonathan Huberman 2023-01-04