X0407 4 2023-04-06 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 2023-04-06 4 S 0 15500 1.18 D 865757 D Common Stock 2023-04-06 4 S 0 15541 1.19 D 850216 D Common Stock 2023-04-10 4 S 0 12511 1.14 D 837705 D Common Stock 2023-04-11 4 S 0 18050 1.16 D 819655 D Common Stock 2023-04-12 4 S 0 10870 1.16 D 808785 D Common Stock 2023-04-13 4 S 0 35045 1.14 D 773740 D Common Stock 2023-04-14 4 S 0 18795 1.11 D 754945 D Common Stock 2023-04-17 4 S 0 51704 1.03 D 703241 D Common Stock 2023-04-18 4 S 0 28846 1.04 D 674395 D Common Stock 2023-04-19 4 S 0 17639 1.05 D 656756 D Common Stock 2023-04-20 4 S 0 8500 1.04 D 648256 D Common Stock 2023-04-21 4 S 0 2899 1.03 D 645357 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 2023-04-27