Sec Form 4 Filing - Hively Brad @ Oncology Institute, Inc. - 2025-03-26

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 Hively Brad 2. Issuer Name and Ticker or Trading Symbol Oncology Institute, Inc. [ TOI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O THE ONCOLOGY INSTITUTE INC., 18000 STUDEBAKER RD, SUITE 800 3. Date of Earliest Transaction (MM/DD/YY) 03/26/2025 (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 03/26/2025 P( 1 )( 2 ) 9,056 A $ 1.0417 ( 3 ) 675,809 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 Common Warrant ( 1 ) $ 1.198 03/26/2025 P( 1 )( 2 ) 4,528 03/26/2025( 4 ) 03/26/2030 Common Stock 4,528 $ 0.125 ( 3 ) 4,528 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hively Brad C/O THE ONCOLOGY INSTITUTE INC. 18000 STUDEBAKER RD, SUITE 800 CERRITOS, CA90703 X Signatures /s/ Mark Hueppelsheuser, Attorney-in-Fact for Brad Hively 03/28/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents securities purchased in a private placement transaction directly from the Company pursuant to a Securities Purchase Agreement, dated March 24, 2025 (the "Private Placement"). Pursuant to the terms of the Securities Purchase Agreement, the Company issued the reporting person Private Placement units consisting of two shares of the Company's common stock ("Common Stock") and a common warrant ("Common Warrant") to purchase one share of Common Stock (the "Private Placement Unit"). ( 2 )The issuance of the securities to the reporting person pursuant to the Private Placement was approved by the Company's board of directors and was deemed an exempt transaction pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). ( 3 )Each Private Placement Unit was purchased at a price of $2.2084 per unit, with a cost per share of Common Stock of $1.0417 and a cost per Common Warrant of $0.1250. ( 4 )The reporting person may not exercise any portion of a Common Warrant to the extent that the reporting person would beneficially own more than 4.99% of the number of shares of Common Stock outstanding immediately prior to or after giving effect to such exercise, as such percentage ownership is determined in accordance with Section 13(d) under the Exchange Act.

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).

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