SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Black Benjamin (Last) (First) (Middle) 95 5TH AVENUE, 6TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Osiris Acquisition Corp. [ OSI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) X Other (specify below) CEO
	3. Date of Earliest Transaction (Month/Day/Year) 04/19/2022
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. 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: 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
Class B Common Stock	(1)	04/19/2022		A(2)		134,978		(1)	(1)	Class A Common Stock	134,978	(2)	4,467,500	I	See footnote(3)

1. Name and Address of Reporting Person* Black Benjamin (Last) (First) (Middle) 95 5TH AVENUE, 6TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) CEO

1. Name and Address of Reporting Person* Fortinbras Enterprises Holdings LLC (Last) (First) (Middle) 95 5TH AVENUE, 6TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Fortinbras Enterprises LP (Last) (First) (Middle) 95 5TH AVENUE, 6TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Fortinbras SPAC Holdings LLC (Last) (First) (Middle) 95 5TH AVENUE, 6TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. As described in the Issuer's registration statement on Form S-1 (File Nos. 333-254997) under the heading "Description of Securities - Founder Shares," the shares of Class B Common Stock are convertible into the Issuer's Class A Common Stock on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights. The shares of Class B Common Stock have no expiration date.

2. On April 19, 2022, Fortinbras SPAC Holdings LLC ("Fortinbras") acquired 3% of the outstanding equity interest in Osiris Sponsor, LLC (the "Sponsor") for an aggregate purchase price of $200,000.

3. The reported securities are held by the Sponsor, a Delaware limited liability company, managed by Fortinbras, a Delaware limited liability company. Fortinbras is managed by Fortinbras Enterprises LP, a Delaware limited partnership ("Fortinbras Enterprises"). Fortinbras Enterprises Holdings LLC, a Delaware limited liability company ("HoldCo") serves as the general partner of Fortinbras Enterprises. Benjamin E. Black is the sole member of HoldCo and as such may be deemed to have voting and dispositive control of the shares of the Issuer's Class B Common Stock held of record by the Sponsor. The reporting persons disclaim beneficial ownership of the Class B Common Stock, except to the extent of their pecuniary interest therein.

	/s/ See Signatures Included in Exhibit 99.1	04/21/2022
	** Signature of Reporting Person	Date
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