Document:

Exhibit 4.2

 

	NUMBER	 	SHARES
	C-	 	 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP [              ]

 

AULT DISRUPTIVE TECHNOLOGIES
CORPORATION

INCORPORATED UNDER
THE LAWS OF THE STATE OF DELAWARE

 

COMMON STOCK

 

This Certifies that

 

is the owner of

 

FULLY PAID AND NON-ASSESSABLE
SHARES OF COMMON STOCK, PAR VALUE OF $0.001 (THE “COMMON STOCK”), OF

 

AULT DISRUPTIVE TECHNOLOGIES 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 required to redeem all of
its shares of Common Stock if it is unable to consummate a business combination within the time period set forth in the Company’s
Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Charter”),
all as more fully described in the Company’s final prospectus dated         , 2021.

 

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

 

Witness the facsimile signatures of its duly authorized
officers.

 

	Chief Executive Officer	 	 	 	Chief Financial Officer
	 	 	 	 	 

 

    	 	 	 

    	 

    

 

AULT DISRUPTIVE TECHNOLOGIES
CORPORATION

 

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 stock 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 Charter 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 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 the 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:	 	 
	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 OF 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 in the Charter, as the same may be amended from time to time (such date being referred to herein as
the “Last Date”), (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 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 4.3

 

[FACE]

 

Date:_______________

 

Number ________

 

________ Warrants

 

THIS WARRANT SHALL BE VOID
IF NOT EXERCISED PRIOR TO THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED FOR IN THE WARRANT AGREEMENT DESCRIBED BELOW

 

AULT DISRUPTIVE TECHNOLOGIES
CORPORATION

Incorporated under the laws of
the State of Delaware

 

CUSIP _______________

 

Warrant Certificate

 

This Warrant Certificate certifies
that [______________], or registered assigns, is the registered holder of [____________] warrant(s) (the “Warrants”
and each, a “Warrant”) to purchase shares of common stock, par value $0.001 per share (“Common Stock”),
of Ault Disruptive Technologies Corporation, a Delaware corporation (the “Company”). Each whole Warrant entitles the
holder, upon exercise during the period set forth in the Warrant Agreement referred to below, to receive from the Company that number
of fully paid and nonassessable shares of Common Stock as set forth below, at the exercise price (the “Warrant Price”)
as determined pursuant to the Warrant Agreement, payable in lawful money (or through “cashless exercise” as provided for in
the Warrant Agreement) of the United States of America upon surrender of this Warrant Certificate and payment of the Warrant Price at
the office or agency of the Warrant Agent referred to below, subject to the conditions set forth herein and in the Warrant Agreement.
Defined terms used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant Agreement.

 

Each whole Warrant is initially
exercisable for one fully paid and nonassessable share of Common Stock. No fractional shares shall be issued upon exercise of any Warrant.
If, upon the exercise of Warrants, a holder would be entitled to receive a fractional interest in a share of Common Stock, the Company
shall, upon exercise, round down to the nearest whole number the number of shares of Common Stock to be issued to the Warrant holder.
The number of shares of Common Stock issuable upon exercise of the Warrants is subject to adjustment upon the occurrence of certain events
as set forth in the Warrant Agreement.

 

The initial Warrant Price
per share of Common Stock for any Warrant is equal to $11.50 per share. The Warrant Price is subject to adjustment upon the occurrence
of certain events as set forth in the Warrant Agreement.

 

Subject to the conditions
set forth in the Warrant Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the
end of such Exercise Period, such Warrants shall become void. The Warrants may be redeemed, subject to certain conditions, as set forth
in the Warrant Agreement.

 

Reference is hereby made to
the further provisions of this Warrant Certificate set forth on the reverse hereof and such further provisions shall for all purposes
have the same effect as though fully set forth at this place.

 

This Warrant Certificate shall
not be valid unless countersigned by the Warrant Agent, as such term is used in the Warrant Agreement. This Warrant Certificate shall
be governed in all respects by the laws of the State of New York.

 

	 	AULT DISRUPTIVE TECHNOLOGIES CORPORATION
	 	 
	 	By:	 

	 	 	Name:	 
	 	 	Title:	 

 

	 	
    CONTINENTAL STOCK TRANSFER

    & TRUST COMPANY, as Warrant Agent

	 	 
	 	By:	 

	 	 	Name:	 
	 	 	Title:	 

 

    	 	 	 

    	 

    

 

[Form of Warrant Certificate]

 

[Reverse side]

 

The Warrants evidenced by
this Warrant Certificate are part of a duly authorized issue of Warrants entitling the holder on exercise to receive [ ] shares of Common
Stock and are issued or to be issued pursuant to a Warrant Agreement, dated as of [•], 2021 (the “Warrant Agreement”),
duly executed and delivered by the Company to Continental Stock Transfer & Trust Company, a limited purpose trust company, as warrant
agent (the “Warrant Agent”), which Warrant Agreement is hereby incorporated by reference in and made a part of this
instrument and is hereby referred to for a description of the respective rights, limitation of rights, obligations, duties and indemnities
thereunder of the Warrant Agent, the Company and the holders (the words “holders” or “holder” meaning
the Registered Holders or Registered Holder, respectively) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder
hereof upon written request to the Company. Defined terms used in this Warrant Certificate but not defined herein shall have the meanings
given to them in the Warrant Agreement.

 

Warrants may be exercised
at any time during the Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate
may exercise them by surrendering this Warrant Certificate, with the form of election to purchase set forth hereon properly completed
and executed, together with payment of the Warrant Price as specified in the Warrant Agreement (or through “cashless exercise”
as provided for in the Warrant Agreement) at the corporate trust department of the Warrant Agent. In the event that upon any exercise
of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there
shall be issued to the holder hereof or such holder’s assignee, a new Warrant Certificate evidencing the number of Warrants not
exercised.

 

Notwithstanding anything else
in this Warrant Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement
covering the shares of Common Stock to be issued upon exercise is effective under the Securities Act and (ii) a prospectus thereunder
relating to the shares of Common Stock is current, except through “cashless exercise” as provided for in the Warrant Agreement.
In addition, and notwithstanding anything else in this Warrant Certificate or the Warrant Agreement, to the extent that the holder of
a Warrant has delivered a notice contemplated by subsection 3.3.5 of the Warrant Agreement, neither the Company nor the Warrant Agent
shall issue to holder, and holder may not acquire, any right it might have to acquire, a number of shares of Common Stock upon exercise
of any Warrant to the extent that, upon such exercise, the number of shares of Common Stock then beneficially owned by holder would exceed
the Maximum Percentage of shares of Common Stock outstanding immediately after giving effect to such exercise as determined in accordance
with subsection 3.3.5 of the Warrant Agreement.

 

The Warrant Agreement provides
that upon the occurrence of certain events the number of shares of Common Stock issuable upon exercise of the Warrants set forth on the
face hereof may, subject to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive
a fractional interest in a share of Common Stock, the Company shall, upon exercise, round down to the nearest whole number of shares of
Common Stock to be issued to the holder of the Warrant.

 

Warrant Certificates, when
surrendered at the corporate trust department of the Warrant Agent by the Registered Holder thereof in person or by legal representative
or attorney duly authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the Warrant Agreement,
but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate
a like number of Warrants.

 

Upon due presentation for
registration of transfer of this Warrant Certificate at the corporate trust department of the Warrant Agent a new Warrant Certificate
or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee(s) in
exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge except for any tax
or other governmental charge imposed in connection therewith.

 

The Company and the Warrant
Agent may deem and treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation
of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to the holder(s) hereof,
and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. Neither the
Warrants nor this Warrant Certificate entitles any holder hereof to any rights of a stockholder of the Company.

 

    	 	 	 

    	 

    

 

Election to Purchase

(To Be Executed Upon Exercise
of Warrant)

 

The undersigned hereby irrevocably
elects to exercise the right, represented by this Warrant Certificate, to receive [_____] shares of Common Stock and herewith tenders
payment for such shares of Common Stock to the order of Ault Disruptive Technologies Corporation (the “Company”) in
the amount of $[_____________] in accordance with the terms hereof. The undersigned requests that a certificate for such shares of Common
Stock be registered in the name of [_____________], whose address is [__________________________________] and that such shares of Common
Stock be delivered to [______________], whose address is [__________________________________]. If such number of shares of Common Stock
listed above is less than all of the shares of Common Stock purchasable hereunder, the undersigned requests that a new Warrant Certificate
representing the remaining balance of such shares of Common Stock be registered in the name of [___________________], whose address is
[__________________________________] and that such Warrant Certificate be delivered to [_______________], whose address is [__________________________________].

 

In the event that the Warrant
has been called for redemption by the Company pursuant to Section 6.1 of the Warrant Agreement and the Company has required cashless exercise
pursuant to Section 6.3 of the Warrant Agreement, the number of shares of Common Stock that this Warrant is exercisable for shall be determined
in accordance with subsection 3.3.1(b) and Section 6.3 of the Warrant Agreement.

 

In the event that the Warrant
is to be exercised on a “cashless basis” pursuant to Section 7.4 of the Warrant Agreement, the number of shares of Common
Stock that this Warrant is exercisable for shall be determined in accordance with Section 7.4 of the Warrant Agreement.

 

In the event that the Warrant
may be exercised, to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number of shares of Common Stock that
this Warrant is exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for
such cashless exercise and (ii) the holder hereof shall complete the following: The undersigned hereby irrevocably elects to exercise
the right, represented by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive shares
of Common Stock. If said number of shares of Common Stock is less than all of the shares of Common Stock purchasable hereunder (after
giving effect to the cashless exercise), the undersigned requests that a new Warrant Certificate representing the remaining balance of
such shares of Common Stock be registered in the name of [________________], whose address is [__________________________________] and
that such Warrant Certificate be delivered to [________________], whose address is [__________________________________].

 

By signing this Election to
Purchase, the undersigned hereby certifies that such election will not result in the undersigned beneficially owning shares of Common
Stock in excess of the 9.8% Cap outlined in Section 3.3.5 of the Warrant Agreement.

 

[To be included in any Election
to Purchase of a holder who has provided the notice set forth in subsection 3.3.5 of the Warrant Agreement.

 

By signing this Election to
Purchase, the undersigned hereby certifies that, upon after giving effect to such exercise, the undersigned (together with such person’s
affiliates) or any “group” of which the holder or such holder’s affiliates is a member, would not beneficially own in
excess of the Maximum Percentage of the shares of Common Stock outstanding immediately after giving effect to such exercise as determined
in accordance with subsection 3.3.5 of the Warrant Agreement.]

 

 

[Signature Page Follows]

 

    	 	 	 

    	 

    

 

	Date: ____________, 20___	 
		Signature
	 	 
	 	 
	 	 
	 	 
	 	
	 	 (Address)
	 	 
	 	 
	 	 
	 	(Tax Identification Number)

 

 

Signature Guaranteed:

 

	 	 

 

THE SIGNATURE(S) SHOULD 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 SEC RULE 17Ad-15 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR
RULE)).

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