Document:

Document

Exhibit 10.52
[CERNER CORPORATION LETTERHEAD]

December __, 2021

Re:    Clawback re: Accelerated Vesting of Time-Based RSUs 

Dear [_______]:

    As you know, Cerner Corporation (the “Company”) has decided to accelerate the vesting of [___] shares subject to your time-based Restricted Stock Unit awards (the “RSUs”), effective December [20 / 29], 2021 (the “Acceleration Date”). 

    You and the Company acknowledge and agree that if you terminate your employment or the Company terminates your employment, in either case, for any reason prior to the originally scheduled vesting date of the applicable RSU, you will forfeit and return to the Company on your termination date, without payment, a number of shares of the Company’s common stock subject to the RSUs that would not otherwise have vested (i.e., because your employment terminated before the applicable vesting date).  If you sell or otherwise dispose of shares underlying such RSUs prior to the original vesting date, then you agree and acknowledge that you shall pay to the Company an amount equal to the value of the share on the settlement date of the applicable RSU plus any gain that you realize in connection with such sale other disposition.  Notwithstanding the generality of the foregoing, the treatment described herein shall not apply to any RSUs (and the underlying shares of the Company’s common stock) to the extent the vesting of such RSUs would accelerate, in connection with your termination, pursuant to their terms as in effect on the Acceleration Date (including with respect to any accelerated vesting treatment set forth in an employment or severance agreement with the Company). 

    This letter may be delivered electronically and may be executed in counterparts, each of which shall be deemed an original but all of which together shall constitute one and the same document.  This letter shall be governed by and construed and enforced in accordance with Delaware law without regard to the conflict of laws provisions thereof.

Please indicate your acceptance and acknowledgement of, and agreement to, the foregoing by signing below.  

Sincerely,

_______________________
By: [______]
Its:  [______]

Agreed and Acknowledged:

______________________                            
Name: [_______]Exhibit 4.1

 

NUMBER UNITS

U-____________

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP ___________

 

GIANT OAK ACQUISITION CORPORATION

 

UNITS CONSISTING OF ONE SHARE OF ORDINARY SHARE,

ONE REDEEMABLE WARRANT, AND ONE RIGHT

 

THIS CERTIFIES THAT                         is
the owner of              Units.

 

Each Unit of Giant Oak Acquisition Corporation,
a British Virgin Islands company (the “Company”) (“Unit”) consists of one (1) ordinary share, no
par value, (“Ordinary Share”), one redeemable warrant (each whole warrant, a “Warrant”)
and one (1) right (“Right”). Each whole Warrant entitles the holder to purchase one-half of one (1) Ordinary
Share (subject to adjustment) for $11.50 per share (subject to adjustment). Only whole warrants are exercisable. Each Right entitles the
holder to receive one-tenth (1/10) of one Ordinary Share. Each Warrant will become exercisable on the later of (i) 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 (ii) twelve (12) months from the effective
date of the registration statement on Form S-1, File No. 333-_______, 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 Ordinary Shares, Warrants and Rights comprising the Units represented by this certificate are not transferable
separately prior to [ ], 2022, unless Ladenburg Thalmann & Co., Inc. elects to allow earlier separate trading, 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 offering and issuing of a press release announcing when separate trading will begin.
The terms of the Warrants and Rights are governed by a Warrant Agreement dated as of            ,
2022, and a Rights Agreement dated as of            , 2022, between the Company
and VStock Transfer LLC, as Warrant Agent and Right Agent, respectively, 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 and
the Rights Agreement are on file at the office of the Warrant Agent and Right Agent at _______________________________________, and are
available to any Warrant holder and Right holder on written request and without cost.

 

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 British Virgin Islands.

 

Witness the facsimile signature of its duly authorized
officers.

 

	Secretary	 	Chief Executive Officer
	 	 	 
	 	 	 

 

     

     

    

 

GIANT OAK ACQUISITION CORPORATION

 

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

 

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

 

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

 

In each case, as more fully described in the Company’s final
prospectus dated            , 2022, 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 by            ,
202_, (ii) the Company redeems 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 to modify the substance or timing of the Company’s obligation
to redeem 100% of the Ordinary Share if it does not consummate an initial business combination by ______________, 202_, or (iii) if the
holder(s) seek(s) to redeem for cash his, her or its 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.Exhibit 4.2

 

	NUMBER OF SHARES _______	NUMBER _______
	 	CUSIP _______
	 	 
	SEE REVERSE FOR CERTAIN DEFINITIONS	 

 

GIANT OAK ACQUISITION CORPORATION

 

INCORPORATED UNDER THE LAWS OF THE BRITISH VIRGIN
ISLANDS

ORDINARY SHARES

 

This Certifies that _______________________________________, is the
owner of ____________________________________________

 

FULLY PAID AND NON-ASSESSABLE ORDINARY SHARES, NO PAR VALUE

 

GIANT OAK ACQUISITION CORPORATION

(THE “COMPANY”)

 

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 ordinary shares if
it is unable to complete a business combination by _____________, 202_ as more fully described in the Company’s final prospectus
dated ______________, 2022.

 

This certificate is not valid unless countersigned by the Transfer
Agent and registered by the Registrar. Witness the seal of the Company and the facsimile signatures of its duly authorized officers.

 

Corporate Seal

British Virgin Islands

 

	Secretary	 	Chief Executive Officer
	 	 	 
	 	 	 

 

GIANT OAK ACQUISITION CORPORATION

 

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 amended and restated memorandum and
articles of association 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	 
	 	 	 	 	 
	 	 	 	 	 
	TEN ENT —as tenants by the entireties	 	(Cust)	 	(Minor)
	 	 	 	 	 
	JT TEN —as joint tenants with right of Act survivorship and not as tenants in common	 	Under Uniform Gifts to Minors

 

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 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:

 

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 RULE) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

 

 

In each case, as more fully described in the Company’s final
prospectus dated               , 2022, 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 ordinary shares sold in the Company’s initial public
offering and liquidates because it does not consummate an initial business combination by________________, 202_, or (ii) 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.

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