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 OF SECURITIES
                                                                                  
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Brauchli Marcus		 2. Issuer Name and Ticker or Trading Symbol

Blue Ocean Acquisition Corp [ BOCN ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    __X__ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chairman
(Last)          (First)          (Middle)

2 WISCONSIN CIRCLE, 7TH FLOOR		 3. Date of Earliest Transaction (MM/DD/YYYY)

6/2/2023
(Street)

CHEVY CHASE, MD 20815		 4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 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)
Rule 10b5-1(c) Transaction Indication
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Ordinary Shares  (1)6/2/2023  J (2)  25000 (2)    (1) (1)Class A Ordinary Shares 25000 $0.0058 (2)4353750 I See Footnote (3)
Explanation of Responses:
(1) The Class B ordinary shares will automatically convert into Class A ordinary shares concurrently with or immediately following the consummation of the Issuer's initial business combination on a one-for-one basis, subject to adjustment, and have no expiration date.
(2) These Class B ordinary shares were repurchased by Blue Ocean Sponsor LLC ("Sponsor") from Dale Mathias, a former member of the Issuer's board of directors who resigned effective April 15, 2023, for an aggregate purchase price of $145.00.
(3) These Class B ordinary shares are held directly by Sponsor. The Reporting Person is a manager of Sponsor. As such, the Reporting Person may be deemed to have beneficial ownership of the Class B ordinary shares held directly by Sponsor. The Reporting Person disclaims beneficial ownership over any securities owned by Sponsor in which he does not have any pecuniary interest.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Brauchli Marcus
2 WISCONSIN CIRCLE
7TH FLOOR
CHEVY CHASE, MD 20815		XXChairman
Signatures
/s/ Stuart Karle, Attorney-in-Fact for Marcus Brauchli6/6/2023
**Signature of Reporting PersonDate
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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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