144 0002102312 XXXXXXXX LIVE 0001591956 Sphere 3D Corp. 001-36532 243 TRESSER BLVD, 17TH FLOOR STAMFORD CT 06901 416-749-5999 Reppas Tiah Norton Officer Common Morgan Stanley Smith Barney, LLC

1 New York Plaza 7th Floor New York NY 10004

20398 64559.67 4243822 06/01/2026 NASDAQ Common 06/01/2026 Restricted stock plan vesting under a registered plan Issuer N 20398 06/01/2026 Cash N Tiah Reppas

243 Tresser Blvd 17th Floor Stamford CT 06901

Common 03/12/2026 6250 10061.28 06/02/2026 /s/ Tiah Reppas