Document:

Exhibit 4.1

 

	NUMBER	UNITS
	U-	 

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP 02157L 209

 

ALTITUDE ACQUISITION CORP. II

 

UNITS CONSISTING OF ONE SHARE OF CLASS
A COMMON STOCK AND ONE-THIRD OF ONE REDEEMABLE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE OF CLASS
A COMMON STOCK

 

THIS CERTIFIES THAT is the owner of Units.

 

Each Unit (“Unit”)
consists of one share of Class A common stock, par value $0.0001 per share (“Common Stock”), of Altitude
Acquisition Corp. II, a Delaware corporation (the “Company”), and one-third of one redeemable warrant
(the “Warrant”). Each whole Warrant entitles the holder to purchase one share (subject to adjustment)
of Common Stock for $11.50 per share (subject to adjustment). Only whole Warrants are exercisable. Each whole Warrant will become
exercisable during the period commencing on the date that is thirty (30) days after the Company’s completion of a merger,
capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination with one or more
businesses (each a “Business Combination”) and terminating on the earlier to occur of (i) at 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
and (ii) the liquidation of the Company (the “Expiration Date”). The Common Stock and Warrants comprising
the Units represented by this certificate are not transferable separately prior to, ____________, 2021, unless Cantor Fitzgerald
& Co. elects to allow separate trading earlier, subject to the Company’s filing of a Current Report on Form 8-K with
the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s receipt of the gross
proceeds of the Company’s 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. 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.

 

This certificate is not valid unless countersigned
by the Transfer Agent and registered by the 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 signature of a duly
authorized signatory of the Company.

	 	 	 
	 	 	 
	Authorized Signatory	 	Transfer Agent

 

     

     

    

 

Altitude Acquisition Corp. II

 

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 equity 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	UNIF GIFT MIN ACT	—	_________Custodian ________
	 	 	 	 	(Cust) (Minor)
	TEN ENT	—	as tenants by the entireties	 	 
	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	(State)

 

Additional abbreviations may also be used
though not in the above list.

 

For value received, hereby sell, assign
and transfer 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 do 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 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:	 	 
	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 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE)).	 	 

 

As more fully described in, and
subject to the terms and conditions described in, the Company’s final prospectus for its initial public offering 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 shares of Common Stock sold in the Company’s initial public offering and liquidates because
it does not consummate an initial business combination by the date set forth (the “Last Date”) in the
Company’s Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the
“Charter”), (ii) the Company redeems the shares of Common Stock sold in its initial public offering properly
submitted in connection with a stockholder vote to amend the Charter to modify the substance or timing of the Company’s
obligation to redeem 100% of the Common Stock if it does not consummate an initial business combination by the Last Date or
with respect to any other material provisions relating to stockholders’ rights or pre-initial business combination
activity, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of Common Stock in
connection with a tender offer (or proxy solicitation, solely in the event the Company seeks stockholder 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.Exhibit 4.2

 

	NUMBER C-	SHARES
	SEE REVERSE FOR CERTAIN DEFINITIONS	 
	 	 
	 	CUSIP 02157L 100

 

ALTITUDE ACQUISITION CORP. II

CLASS A COMMON STOCK

 

THIS CERTIFIES THAT is the owner of fully
paid and non-assessable shares of Class A common stock, par value $0.0001 per share (the “Common Stock”),
of Altitude Acquisition Corp. II, a Delaware corporation (the “Company”), transferable on the books of
the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

 

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

 

Witness the facsimile signature of a duly
authorized signatory of the Company.

 

	 	 
	Authorized Signatory	Transfer Agent

ALTITUDE ACQUISITION CORP. II

 

The Company will furnish without charge
to each stockholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of equity 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 Certificate of Incorporation, as the same may be amended from time
to time (the “Charter”) and all amendments thereto and resolutions of the Board of Directors providing
for the issue of securities (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	UNIF GIFT MIN ACT	—	Custodian
	 	 	 	 	 	(Cust)	 	(Minor)
	TEN ENT	—	as tenants by the entireties	 	 	 	 	 
	JT TEN	—	as joint tenants with right of
 survivorship and not as tenants
 in common	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	(State)

 

Additional abbreviations may also be used
though not in the above list.

 

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 of Common Stock represented by
the within Certificate, and hereby irrevocably constitutes and appoints 

 

     

     

    

 

Attorney to transfer the said shares of
Common Stock on the books of the within named Company with full power of substitution in the premises.

 

Dated:

 

	 	 
	 	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:	 
	 	 
	 	 
	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 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE).	 
	 	 

As more fully described in, and subject
to the terms and conditions described in, the Company’s final prospectus for its initial public offering 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 shares
of Common Stock sold in the Company’s initial public offering and liquidates because it does not consummate an initial business
combination by the date set forth (the “Last Date”) in the Charter, as the same may be amended from time to time (the
“Charter”), (ii) the Company redeems the shares of Common Stock sold in its initial public offering properly submitted
in connection with a stockholder vote to amend the Charter to modify the substance or timing of the Company’s obligation
to redeem 100% of the Common Stock if it does not consummate an initial business combination by the Last Date or with respect to
any other material provisions relating to stockholders’ rights or pre-initial business combination activity, or (iii) if
the holder(s) seek(s) to redeem for cash his, her or its respective shares of Common Stock in connection with a tender offer (or
proxy solicitation, solely in the event the Company seeks stockholder 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.

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