X0508 4 2024-01-15 0001591956 Sphere 3D Corp. ANY 0001888940 Trompeter Patricia C/O SPHERE 3D CORP. 243 TRESSER BLVD., 17TH FLOOR STAMFORD CT 06901 1 1 0 0 CEO 0 Restricted Stock Unit (RSU) 2024-01-15 4 A 0 1000000 A Common Stock 1000000 1035715 D Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock. The RSUs vest 25% on the date of grant and the remaining RSUs vest in equal quarterly installments beginning March 31, 2024 and ending December 31, 2025. Ms. Trompeter has deferred the vesting of the first tranche of RSUs. /s/ Denise Garrett, as Attorney-in-Fact for Patricia Trompeter 2024-01-17