Fortinbras Enterprises Holdings LLC - May 13, 2021 Form 4 Insider Report for Osiris Acquisition Corp. (OSI)

Role: 10%+ Owner
Signature: /s/ See Signatures Included in Exhibit 99.1
Stock symbol: OSI
Transactions as of: May 13, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/17/2021, 05:40 PM
Next filing: May 18, 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OSI	Class B Common Stock, par value $0.0001 per share	Other		+465K	+9.89%		5.16M	May 13, 2021	Class A Common Stock, par value $0.0001 per share	465K		See footnote	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares of the Issuer?s Class B common stock, par value $0.0001 per share (the ?Class B Common Stock?), are convertible for the shares of the Issuer?s Class A common stock, par value $0.0001 per share, as described under the heading ?Description of Securities? in the Issuer?s Registration Statement on Form S-1 (File No. 333-254997) (the ?Registration Statement?) and have no expiration date.
F2	On May 13, 2021, the Osiris Sponsor, LLC (the "Sponsor") forfeited 464,750 shares of the Class B Common Stock to the Issuer for no consideration in connection with a reduction in the size of the Issuer's initial public offering, resulting in the Sponsor holding 5,164,625 shares of the Class B Common Stock. The shares of the Class B Common Stock beneficially owned by the Reporting Persons include up to 697,125 shares of Class B Common Stock that are subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement.
F3	The Sponsor is a Delaware limited liability company managed by Fortinbras SPAC Holdings LLC, a Delaware limited liability company. Fortinbras SPAC Holdings LLC 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 our common stock held of record by the Sponsor.

Remarks:

The reporting persons are members of a 10% group with Benjamin E. Black.