X0407 4 2023-04-05 0 0001776909 CuriosityStream Inc. CURI 0001259263 HENDRICKS JOHN S 8484 GEORGIA AVE., SUITE 700 SILVER SPRING MD 20910 1 0 1 0 1 Common Stock 2023-04-05 4 S 0 7900 1.21 D 888257 D Common Stock 2023-04-05 4 S 0 7000 1.21 D 881257 D Common Stock 21356188 I By Hendricks Factual Media LLC The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2022. The reported securities are owned directly by Hendricks Factual Media LLC ("HFM"), and indirectly by John Hendricks, as a manager of HFM. John Hendricks disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. /s/ Tia Cudahy as attorney-in-fact for John Hendricks 2023-04-06