Document:

Exhibit 4.1

 

SPECIMEN
UNIT CERTIFICATE

 

	SEE REVERSE FOR CERTAIN

DEFINITIONS	Orion Biotech Opportunities Corp.	NUMBER UNITS U-
	 	 	CUSIP [  ]

 

UNITS
CONSISTING OF ONE CLASS A ORDINARY SHARE AND ONE-FIFTH OF ONE

REDEEMABLE WARRANT TO PURCHASE ONE CLASS A ORDINARY SHARE

 

THIS
CERTIFIES THAT                 is the owner of                
Units.

 

Each Unit (“Unit”) consists
of one (1) Class A ordinary share, par value $0.0001 per share (“Ordinary Shares”), of Orion Biotech Opportunities
Corp., a Cayman Islands exempted company (the “Company”), and one-fifth (1/5) of one redeemable warrant (each whole
warrant, a “Warrant”). Each Warrant entitles the holder to purchase one (1) Ordinary Share for $11.50 per share (subject
to adjustment). Each Warrant will become exercisable on the later of (i) thirty (30) days after the Company’s completion
of a merger, share exchange, asset acquisition, share purchase, reorganization or other similar business combination with one or
more businesses (each, a “Business Combination”), and (ii) twelve (12) months from the closing of the Company’s
initial public offering, and will expire unless exercised before 5:00 p.m., New York City Time, on the date that is five (5) years
after the date on which the Company completes its initial Business Combination, or earlier upon redemption or liquidation (the
“Expiration Date”). The Ordinary Shares and Warrants comprising the Units represented by this certificate are not transferable
separately prior to       , 2021, unless Cantor Fitzgerald & Co. elect to allow earlier separate
trading, subject to the Company’s filing with the Securities and Exchange Commission of a Current Report on Form 8-K containing
an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the initial public offering and issuing
a press release announcing when separate trading will begin. No fractional warrants will be issued upon separation of the Units
and only whole warrants are exercisable. The terms of the Warrants are governed by a Warrant Agreement, dated as of        ,
2021, between the Company and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and
provisions contained therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof.
Copies of the Warrant Agreement are on file at the office of the Warrant Agent at 1 State Street, 30th Floor, New York, New York
10004, and are available to any Warrant holder on written request and without cost.

 

Upon
the consummation of the Business Combination, the Units represented by this certificate will automatically separate into the Class
A Ordinary Shares and Warrants comprising such Units.

 

This
certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company.

 

This
certificate shall be governed by and construed in accordance with the internal laws of the State of New York.

 

Witness
the facsimile signatures of its duly authorized officers.

 

	By	 	 	 
	 	Chief
    Executive Officer	 	Chief
    Financial Officer

 

     

     

    

 

Orion Biotech Opportunities Corp.

 

The
Company will furnish without charge to each unitholder who so requests, a statement of the powers, designations, preferences and
relative, participating, optional or other special rights of each class of shares or series thereof of the Company and the qualifications,
limitations or restrictions of such preferences and/or rights.

 

The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were
written out in full according to applicable laws or regulations:

 

	TEN
    COM	—	as
    tenants in common	 	 	 	 	Custodian	 
	 	 	 	 	 	 	(Cust)	 	(Minor)
	 	 	 	 	 	 	 	 	 
	TEN
    ENT-	—	as
    tenants by the entireties	 	 	 		 	
	 	 	 	 	 	 	 	(State)	 
	JT
    TEN-	—	as
    joint tenants with right of survivorship and not as tenants in common	 	 	
	 	 	 	 	 	 
	UNIF
    GIFT

    MIN ACT	—	under
    Uniform Gifts to Minors Act	 	 	 
	 	 	Additional
    abbreviations may also be used though not in the above list.	 	 	 

 

    2

     

    

 

For
value received,                 hereby sells, assigns
and transfers unto                

 

PLEASE
INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE

 

(PLEASE
PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

 

Units represented by the within Certificate, and does hereby irrevocably constitute and appoint                 Attorney to transfer the said Units on the books of the within named Company with full power of substitution in the premises.

 

 

	Dated	 	 	 	 
		 	 	Notice:
                                         The signature on this assignment must correspond with the name as written upon the face of the certificate
    in every particular, without alteration or enlargement or any change whatever.

 

Signature(s)
Guaranteed:

 

 

	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS
    AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO
    S.E.C. RULE 17Ad-15 OR ANY SUCCESSOR RULES).	 

 

In
each case, as more fully described in the Company’s final prospectus dated                ,
2021, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in the trust account
established in connection with the Company’s initial public offering only in the event that (i) the Company redeems the
Ordinary Shares sold in its initial public offering and liquidates because it does not consummate an initial business combination
within the period of time set forth in the Company’s amended and restated memorandum and articles of association, as the
same may be amended from time to time, (ii) the Company redeems the Ordinary Shares sold in its initial public offering in connection
with a shareholder vote to amend the Company’s amended and restated memorandum and articles of association (A) to modify
the substance or timing of the Company’s obligation to provide holders of the Ordinary Shares the right to have their shares
redeemed in connection with the Company’s initial business combination or to redeem 100% of the Ordinary Shares if the Company
does not complete its initial business combination within the time period set forth therein or (B) with respect to any other provision
relating to the rights of holders of the Ordinary Shares or pre-initial business combination activity, or (iii) if the holder(s)
seek(s) to redeem for cash his, her, its or their respective Ordinary Shares in connection with a tender offer (or proxy solicitation,
solely in the event the Company seeks shareholder approval of the proposed initial business combination) setting forth the details
of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind
in or to the trust account.

 

    3Exhibit 4.2

 

SPECIMEN CLASS A ORDINARY SHARE CERTIFICATE

 

	NUMBER

DEFINITIONS	 	SHARES
	 	 	CUSIP [ ]

 

Orion
Biotech Opportunities Corp.

INCORPORATED UNDER THE LAWS OF THE CAYMAN ISLANDS

CLASS A ORDINARY SHARES

 

SEE REVERSE FOR

CERTAIN DEFINITIONS

CUSIP [ ]

 

This Certifies that                
is the owner of                 

 

FULLY PAID AND NON-ASSESSABLE CLASS A
ORDINARY SHARES

OF THE PAR VALUE OF US $0.0001 EACH OF

Orion Biotech Opportunities
Corp. (THE “COMPANY”)

 

subject to the Company’s amended
and restated memorandum and articles of association, as the same may be

amended from time to time, and transferable on the books
of the Company in person or by duly authorized attorney

upon surrender of this certificate properly endorsed.

 

The Company will be forced to redeem
all of its Class A ordinary shares if it is unable to complete a business

combination within the period set forth in the Company’s
amended and restated memorandum and articles of 

association, as the same may be amended from time to time, all as more fully described
in the Company’s final

prospectus dated March       , 2021.

 

This certificate is not valid unless
countersigned by the Transfer Agent

and registered by the Registrar.

 

Witness the facsimile signatures of its
duly authorized officers.

 

Witness the facsimile
signatures of its duly authorized officers.

 

	Dated:	 	 

 

 

	 	 		 
	Chief Executive Officer	Cayman Islands	 	Chief Financial Officer

 

     

     

    

 

Orion
Biotech Opportunities Corp.

 

The Company will furnish without charge
to each shareholder who so requests the powers, designations, preferences and relative, participating, optional or other special
rights of each class of shares or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences
and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of
the Company’s amended and restated memorandum and articles of association, as the same may be amended from time to time,
and resolutions of the Board of Directors providing for the issue of Class A ordinary shares (copies of which may be obtained from
the secretary of the Company), to all of which the holder of this certificate by acceptance hereof assents. The following abbreviations,
when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according
to applicable laws or regulations:

 

	TEN
    COM	—	as
    tenants in common	 	 	 	 	Custodian	 
	 	 	 	 	 	 	(Cust)	 	(Minor)
	 	 	 	 	 	 	 	 	 
	TEN
    ENT-	—	as
    tenants by the entireties	 	 	 		 	
	 	 	 	 	 	 	 	(State)	 
	JT
    TEN-	—	as
    joint tenants with right of survivorship and not as tenants in common	 	 	
	 	 	 	 	 	 
	UNIF
    GIFT

    MIN ACT	—	under
    Uniform Gifts to Minors Act	 	 	 
	 	 	Additional
    abbreviations may also be used though not in the above list.	 	 	 

 

    2

     

    

 

For value received,                
hereby sells, assigns and transfers unto

 

(PLEASE INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING NUMBER(S) OF ASSIGNEE(S))

 

(PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES),

INCLUDING ZIP CODE, OF ASSIGNEE(S))

 

Shares represented
by the within Certificate, and does hereby irrevocably constitute and appoint                
Attorney to transfer the said shares on the books of the within named Company with full power of substitution in the premises.

 

 

	Dated	 	 	 
	 	 	 	Shareholder
	 	 	 	 
		 	 	NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST
                                                                                                                                                       CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT
                                                                                                                                                       OR ANY CHANGE WHATEVER.

 

Signature(s) Guaranteed:

 

	By:	     	 
	 	 
	 	 
	THE SIGNATURE(S) MUST BE GUARANTEED
BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN
APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 OR ANY SUCCESSOR RULES).	 

 

In each case, as more fully described in
the Company’s final prospectus dated        , 2021, the holder(s) of this certificate
shall be entitled to receive a pro-rata portion of certain funds held in the trust account established in connection with its initial
public offering only in the event that (i) the Company redeems the Class A ordinary shares sold in its initial public offering
and liquidates because it does not consummate an initial business combination within the period of time set forth in the Company’s
amended and restated memorandum and articles of association, as the same may be amended from time to time, (ii) the Company redeems
the Class A ordinary shares sold in its initial public offering in connection with a shareholder vote to amend the Company’s
amended and restated memorandum and articles of association (A) to modify the substance or timing of the Company’s obligation
to provide holders of the Class A ordinary shares the right to have their shares redeemed in connection with the Company’s
initial business combination or to redeem 100% of the Class A ordinary shares if the Company does not complete its initial business
combination within the time period set forth therein or (B) with respect to any other provision relating to the rights of holders
of the Class A ordinary shares or pre-initial business combination activity, or (iii) if the holder(s) seek(s) to redeem for cash
his, her, its or their respective Class A ordinary shares in connection with a tender offer (or proxy solicitation, solely in the
event the Company seeks shareholder approval of the proposed initial business combination) setting forth the details of a proposed
initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the
trust account.

 

    3

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