As filed with the Securities and Exchange Commission on May 11, 2021

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR 12(g) OF THE

SECURITIES EXCHANGE ACT OF 1934

OSIRIS ACQUISITION CORP.

(Exact Name of Registrant as specified in its charter)

Delaware (State or other Jurisdiction of Incorporation)	85-3636928 (I.R.S. Employer Identification No.)
95 5th Avenue, 6th Floor New York, NY 10003 (Address of principal executive office)	10003 (Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:

Title of each class to be so registered	Name of each exchange on which each class is to be registered
Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant Class A common stock, par value $0.0001 per share Warrants, each exercisable for one share of Class A common stock at an exercise price of $11.50 per share	New York Stock Exchange New York Stock Exchange New York Stock Exchange

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. x

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ¨

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ¨

Securities Act registration statement file number to which this form relates (if applicable): 333-254997

Securities to be registered pursuant to Section 12(g) of the Act: None.

Item 1. Description of Registrant’s Securities to be Registered

The securities to be registered hereby are units, shares of Class A common stock, par value $0.0001 per share, and warrants to purchase shares of Class A common stock, of Osiris Acquisition Corp. (the “Registrant”). The description of the units, shares of Class A common stock and warrants set forth under the heading “Description of Securities” in the Registrant’s prospectus forming part of its Registration Statement on Form S-1 (File No. 333-254997), originally filed with the Securities and Exchange Commission on April 2, 2021, as thereafter amended and supplemented from time to time (the “Registration Statement”) to which this Form 8-A relates is incorporated by reference herein. Any form of prospectus or prospectus supplement to the Registration Statement that includes such descriptions and that are subsequently filed are hereby also incorporated by reference herein.

Item 2. Exhibits.

The following exhibits have been filed as exhibits to the Registration Statement, as amended, and are incorporated herein by reference.

Exhibit Number	Description
3.1	Certificate of Incorporation (incorporated by reference to Exhibit 3.1 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).
3.2	Form of Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.2 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).
3.3	Bylaws (incorporated by reference to Exhibit 3.3 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).
4.1	Form of Specimen Unit Certificate (incorporated by reference to Exhibit 4.1 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).
4.2	Form of Specimen Class A Common Stock Certificate (incorporated by reference to Exhibit 4.2 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).
4.3	Form of Specimen Warrant Certificate (incorporated by reference to Exhibit 4.3 filed with Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 27, 2021).
4.4	Form of Warrant Agreement between Continental Stock Transfer & Trust Company and the Registrant (incorporated by reference to Exhibit 4.4 filed with Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 27, 2021).
10.3	Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company and the Registrant (incorporated by reference to Exhibit 10.3 filed with Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 27, 2021).
10.4	Form of Registration Rights Agreement between the Registrant and certain security holders (incorporated by reference to Exhibit 10.4 filed with the Registrant’s Registration Statement on Form S-1 (File No. 333-254997), filed with the Securities and Exchange Commission on April 2, 2021).

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

OSIRIS ACQUISITION CORP.
By:	/s/ Benjamin E. Black
Name:	Benjamin E. Black
Title:	Chief Executive Officer

Date:  May 11, 2021