Exhibit 4.1


 


	
  COMMON
  STOCK

  

  PAR VALUE $0.01

  	
  

  	
  COMMON
  STOCK

  

  THIS
  CERTIFICATE IS TRANSFERABLE IN CANTON, MA, JERSEY CITY, NJ AND GOLDEN, CO

  



 


	
  Certificate

  Number

  	
   

  	
   

  	
   

  	
  Shares

  



 


	
   

  	
  STR
  HOLDINGS, INC.

  INCORPORATED
  UNDER THE LAWS OF THE STATE OF DELAWARE

  	
   

  



 


	
  THIS CERTIFIES THAT

  	
   

  	
  CUSIP 78478V 10 0

  SEE REVERSE FOR CERTAIN
  DEFINITIONS

  



 


	
  is the owner of

  	
   

  	
   

  



 


FULLY-PAID AND
NON-ASSESSABLE SHARES OF THE COMMON STOCK OF


 


STR Holdings, Inc. (hereinafter
called the “Corporation”), transferable on the books of the Corporation in person or by duly
authorized attorney, upon surrender of this Certificate properly endorsed. This
Certificate and the shares represented hereby, are issued and shall be held
subject to all of the provisions of the Certificate of Incorporation, as may be
amended from time to time, and the Bylaws, as may be amended from time to time,
of the Corporation (copies of which are on file with the Corporation and with
the Transfer Agent), to all of which each holder, by acceptance hereof,
assents. This Certificate is not valid unless countersigned and registered by
the Transfer Agent and Registrar.


 


Witness the facsimile seal of the Corporation and
the facsimile signatures of its duly authorized officers.


 


 


 


	
  

  	
  

  	
   

  	
  DATED <<Month Day, Year>>

  

  COUNTERSIGNED AND REGISTERED:

  COMPUTERSHARE TRUST COMPANY, N.A.

  TRANSFER AGENT
  AND REGISTRAR,

  
	
   

  	
   

  
	
  President and Chief Executive Officer

  	
   

  
	
   

  	
   

  
	
  

  	
   

  
	
   

  	
  By

  	
   

  
	
  Executive Vice President and Chief Financial Officer

  	
   

  AUTHORIZED SIGNATURE

  



 













 


STR HOLDINGS, INC.


THE CORPORATION WILL FURNISH WITHOUT CHARGE TO EACH
STOCKHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES
AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF
STOCK OF THE CORPORATION AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF
SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND
LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CERTIFICATE OF
INCORPORATION OF THE CORPORATION, AS MAY BE AMENDED FROM TIME TO TIME, AND
THE RESOLUTIONS OF THE BOARD OF DIRECTORS OF THE CORPORATION, AND THE AUTHORITY
OF THE BOARD OF DIRECTORS TO DETERMINE VARIATIONS FOR ANY FUTURE SERIES. SUCH
REQUEST MAY BE MADE TO THE OFFICE OF THE SECRETARY OF THE CORPORATION OR
TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS MAY REQUIRE THE OWNER OF A
LOST OR DESTROYED STOCK CERTIFICATE, OR SUCH OWNER’S LEGAL REPRESENTATIVES, TO GIVE
THE CORPORATION A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND REGISTRARS
AGAINST ANY CLAIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE ALLEGED
LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE.


 


	
  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 Act

  
	
   

  	
   

  	
   

  	
  (State)

  
	
  JT TEN

  	
  - as joint tenants with
  right of survivorship 

  	
  UNIF TRF MIN ACT

  	
  Custodian (until age   )

  
	
   

  	
    and not as
  tenants in common

  	
   

  	
  (Cust)

  	
  (Minor)

  
	
   

  	
   

  	
  under Uniform
  Transfers to Minors Act.

  
	
   

  	
   

  	
   

  	
  (State)

  
	
   

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

  	
   

  
											



 


	
   

  	
  PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING
  NUMBER OF ASSIGNEE

   

  
	
  For value received,
                                                    

  	
   

  
	
  hereby sell, assign and transfer unto 

  	
   

  



 


 


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


 


 


                                                                                                                                                                                             
Shares of the capital stock represented by the within Certificate, and do
hereby irrevocably constitute and appoint                                                                                                                                                                                                      
Attorney to transfer the said stock on the books of the within-named
Corporation with full power of substitution in the premises.


 


	
  Dated:

  	
   

  	
   

  	
  20

  	
   

  	
   

  	
  Signature(s) Guaranteed:
  Medallion Guarantee Stamp

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
  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 S.E.C. RULE 17Ad-15.

   

   

   

  ________________________________________________

   

  
	
   

  	
   

  
	
  Signature:

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  Signature:

  	
   

  	
   

  
	
   

  	
  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.