Sec Form 4 Filing - Shah Mihir @ Oncology Institute, Inc. - 2023-03-17

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Shah Mihir 2. Issuer Name and Ticker or Trading Symbol Oncology Institute, Inc. [ TOI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O THE ONCOLOGY INSTITUTE INC., 18000 STUDEBAKER RD, SUITE 800 3. Date of Earliest Transaction (MM/DD/YY) 03/17/2023 (Street) CERRITOS, CA90703 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock 03/17/2023 A 176,191 ( 1 ) A $ 0 226,914 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-Qualified Stock Option (right to buy) $ 0.481 03/17/2023 A 440,477 ( 2 ) 03/17/2033 Common stock 440, 477 $ 0 440,477 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shah Mihir C/O THE ONCOLOGY INSTITUTE INC. 18000 STUDEBAKER RD, SUITE 800 CERRITOS, CA90703 Chief Financial Officer Signatures /s/ Mark Hueppelsheuser, Attorney-in-Fact for Mihir Shah 03/21/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents RSUs with 1/4th of the RSUs vesting on the anniversary of March 17, 2023 (the Vesting Commencement Date), with the remaining RSUs vesting in three equal annual installments beginning on the first anniversary of the Vesting Commencement Date, with all RSUs becoming vested on the fourth anniversary of the Vesting Commencement Date, subject to continued service with the Company through such vesting dates. ( 2 )The stock options vest as to 1/4th of the options granted on the first anniversary of the Vesting Commencement Date, with the remaining options vesting in four equal annual installments beginning on the first anniversary of the Vesting Commencement Date, with all options becoming vested on the fourth anniversary of the Vesting Commencement Date, subject to continued service with the Company through such vesting dates.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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