144 0001718621 XXXXXXXX LIVE 0001799191 Oncology Institute, Inc. 001-39248 18000 STUDEBAKER RD SUITE 800 CERRITOS CA 90703 562-735-3226 M33 Growth I L.P. 10% Stockholder Common BTIG, LLC

350 Bush Street San Francisco CA 94104

1122793 3592937.60 89194112 06/05/2025 NASDAQ Common 11/15/2021 SPAC PIPE Issuer N 1122793 11/15/2021 Cash N M33 Growth I, LP

888 Boylston Street, Suite 500 Boston MA 02199

Common 06/05/2025 1796468 5497192.08 06/05/2025 Rachel Carducci