Sec Form 3 Filing - Grashoff Christopher L. @ Option Care Health, Inc. - 2023-12-06

FORM 3 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 Grashoff Christopher L. 2. Issuer Name and Ticker or Trading Symbol Option Care Health, Inc. [ OPCH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Growth Officer (Last) (First) (Middle) C/O OPTION CARE HEALTH, INC., 3000 LAKESIDE DRIVE, SUITE 300N 3. Date of Earliest Transaction (MM/DD/YY) 12/06/2023 (Street) BANNOCKBURN, IL60015 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 16,609 ( 1 ) 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 Employee Stock Option (right to buy) $ 18.97 ( 2 ) 02/23/2031 Common Stock 4,904 D Employee Stock Option (right to buy) $ 25.75 ( 3 ) 10/21/2031 Common Stock 8,974 D Employee Stock Option (right to buy) $ 23.96 ( 4 ) 02/17/2032 Common Stock 4,052 D Employee Stock Option (right to buy) $ 28.86 ( 5 ) 02/22/2033 Common Stock 7,956 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Grashoff Christopher L. C/O OPTION CARE HEALTH, INC. 3000 LAKESIDE DRIVE, SUITE 300N BANNOCKBURN, IL60015 Chief Growth Officer Signatures /s/ Sarah Kim, attorney-in-fact for Mr. Grashoff 12/15/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes (i) 4,332 restricted stock units that vest as to 25% of the underlying shares of Common Stock on each of February 22, 2024, February 22, 2025, February 22, 2026 and February 22, 2027, (ii) 5,193 restricted stock units that vest on May 19, 2024 (iii) 2,088 restricted stock units that vested as to 25% of the underlying shares of Common Stock on February 17, 2023 and that will vest as to 25% of the underlying shares of Common Stock on February 17, 2024, February 17, 2025 and February 17, 2026, (iv) 3,107 restricted stock units that vest on October 21, 2024, and (v) 2,504 restricted stock units that vested as to 50% of the underlying shares of Common Stock on February 23, 2023, and that will vest as to 25% of the underlying shares of Common Stock on each of February 23, 2024 and February 23, 2025. ( 2 )2,452 stock options vested on February 23, 2023; 1,226 stock options vest on February 23, 2024 and 1,226 vest on February 23, 2025. ( 3 )Stock option vests in full on October 21, 2024. ( 4 )1,013 stock options vested on February 17, 2023; 1,013 stock options vest on February 17, 2024, 1,013 stock options vest on February 17, 2025 and 1,013 stock options vest on February 17, 2026. ( 5 )Stock option vests in four equal annual installments starting on February 22, 2024.

Remarks: Exhibit List: Exhibit 24-Power of Attorney

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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