Stem Cells Spin S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was PLN 234,572.6 compared to PLN 19,019.33 a year ago. Operating income was PLN 171,158 compared to operating loss of PLN 74,019.27 a year ago. Net income was PLN 171,157.24 compared to net loss of PLN 90,729.63 a year ago.