X0202 SCHEDULE 13G/A 0002042077-26-000003 0002042077 XXXXXXXX LIVE 1 Common Stock, $0.0001 Par Value Per Share 03/13/2026 0001799191 Oncology Institute, Inc. 23343Q100 18000 Studebaker Rd., Ste. 800 CERRITOS CA 90703 Rule 13d-1(c) Chernett Jorey X1 10115944.00 0.00 10115944.00 0.00 10115944.00 10.2 IN Oncology Institute, Inc. 18000 Studebaker Rd., Ste. 800, CERRITOS, CALIFORNIA, 90703. Jorey Chernett (the "Reporting Person") The principal business address of the Reporting Person is 6222 Indianwood Trail, Bloomfield Hills, MI 48301. US. N As of the close of business on March 13, 2026, the Reporting Person beneficially owned 10,115,944 shares of Common stock, par value $0.0001 per share, of the Issuer (the "Shares"). The aggregate percentage of Shares owned by the Reporting Person is based upon 98,839,144 Shares outstanding as of March 5, 2026, as disclosed in the Issuer's Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission on March 12, 2026. As of the close of business on March 13, 2026, the Reporting Person may be deemed to beneficially own 10.23% of the outstanding Shares. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Chernett Jorey /s/ Jorey Chernett 03/16/2026