Document:

EX-4.1

 Exhibit 4.1 

NUMBER UNITS 
 U-[•] 
 SEE REVERSE FOR CERTAIN 

DEFINITIONS 
 CUSIP 37518G2003

GIGCAPITAL4, INC. 

UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE-THIRD OF ONE 

REDEEMABLE WARRANT 
 TO
PURCHASE ONE SHARE OF COMMON STOCK 
 THIS CERTIFIES THAT
                            is the owner of
                Units. 
 Each Unit (“Unit”)
consists of one share of the common stock, par value $0.0001 per share (“Common Stock”), of GigCapital4, Inc., a Delaware corporation (the “Company”) and
one-third of one redeemable warrant to purchase one share of Common Stock (the “Warrant”). Each whole Warrant entitles the holder to purchase one share of Common Stock 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, capital stock exchange, asset acquisition, stock purchase,
reorganization or other similar business combination with one or more businesses (each a “Business Combination”), or (ii) twelve (12) months from the closing of the Company’s initial public offering of the
Units (the “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 Common Stock and Warrants comprising the Units represented by this certificate are not transferable separately prior to [•], 2021 unless the
underwriters elect 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 Offering and issuing a press release announcing when separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of [•], 2021, between
the Company and Continental Stock Transfer & Trust Company (“Continental”), 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 Continental 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 Registrar of the Company. 
 Witness the facsimile signature of its duly authorized officers. 

 

					
	          
	 		  	          

	Secretary	 	        	  	President

 GigCapital4, Inc. 

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 stock 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
						
	TEN ENT	 	—	 	as tenants by the entireties	  		 		 	(Cust)
						
		 		 		  		 		 	(Minor)
		 		 		  		 		 	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. 

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)).	  	

 In each case, as more fully described in the Company’s final prospectus relating to the Offering, dated February
[•], 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 Offering only in the event that
(i) the Company redeems the shares of Common Stock sold in the Offering and liquidates because it does not consummate an initial Business Combination 

 
by [•], 2023, (ii) the Corporation redeems the shares of Common Stock sold in the Offering in connection with a stockholder vote to approve an amendment to any provision of the
Corporation’s Amended and Restated Certificate of Incorporation relating to its pre-initial business combination activity or the related stockholders’ rights, 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.EX-4.2

 Exhibit 4.2 
  

			
	 NUMBER

            C
	  	
		  	SEE REVERSE FOR
		  	CERTAIN
DEFINITIONS
		  	CUSIP 37519D 107

 GIGCAPITAL4, INC.

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 THE PAR VALUE OF $0.0001 EACH OF THE COMMON
STOCK OF 
 GIGCAPITAL4, INC.

(THE “CORPORATION”) 

transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 

The Corporation will be forced to redeem all of its shares of common stock if it is unable to complete a business combination by [•], 2023 or as more
fully described in the Corporation’s final prospectus dated February [•], 2021. 
 This certificate is not valid unless countersigned by the
Transfer Agent and registered by the Registrar. 
 Witness the seal of the Corporation and the facsimile signatures of its duly authorized
officers. 
  

					
	  
	  	[Corporate Seal]	  	  

	 Secretary
	  	Delaware	  	 President

 GIGCAPITAL4, INC. 

The Corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or
other special rights of each class of stock or series thereof of the Corporation 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 Certificate of Incorporation 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 Corporation), 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	  		  		  	Under Uniform Gifts to Minors
		  		  	of survivorship and not as tenants in common	  		  	
		  		  	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 capital stock represented by the within Certificate, and hereby irrevocably constitutes and appoints 

Attorney to transfer the said stock on the books of the within named Corporation 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)). 

In each case, as more fully described in the Corporation’s final prospectus dated February [•], 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 Corporation redeems the shares
of common stock sold in its initial public offering and liquidates because it does not consummate an initial business combination by [•], 2023, (ii) the Corporation redeems the shares of common stock sold in its initial public offering in
connection with a stockholder vote to approve an amendment to any provision of the Corporation’s amended and restated certificate of incorporation 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 Corporation 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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