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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM CB
TENDER OFFER/RIGHTS OFFERING NOTIFICATION FORM

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to file this Form:

Securities Act Rule 801 (Rights Offering) o
Securities Act Rule 802 (Exchange Offer) x
Exchange Act Rule 13e-4(h)(8) (Issuer Tender Offer) o
Exchange Act Rule 14d-1(c) (Third Party Tender Offer) o
Exchange Act Rule 14e-2(d) (Subject Company Response) o

 

 

 

 

Kabushiki Gaisha Tanaka Kagaku Kenkyusho

(Name of Subject Company)

 

Tanaka Chemical Corporation

(Translation of Subject Company’s Name into English (if applicable))

Japan

(Jurisdiction of Subject Company’s Incorporation or Organization)

Sumitomo Chemical Co., Ltd.

(Name of Person(s) Furnishing Form)

Common Stock

(Title of Class of Subject Securities)

N/A

(CUSIP Number of Class of Securities (if applicable))

 

 

Tanaka Chemical Corporation

Attn: Ryota Yamazaki

45-5-10, Shirakata-Cho, Fukui-Shi, Fukui 910-3131, Japan

+81-776-85-1801

(Name, Address (including zip code) and Telephone Number (including area code)
of Person(s) Authorized to Receive Notices and Communications on Behalf of Subject Company)

 

N/A

(Date Tender Offer/Rights Offering Commenced)

 
   

 

 

PART I – INFORMATION SENT TO SECURITY HOLDERS

Item 1.  Home Jurisdiction Documents

 

Exhibit
Number		  
99.1 Notice Regarding Execution of a Share Exchange Agreement (Simplified Share Exchange) to Make Tanaka Chemical Corporation a Wholly-Owned Subsidiary of Sumitomo Chemical Co., Ltd., dated October 28, 2025 (English Translation).
   

Item 2.  Informational Legends

 

The required legend is prominently included in the document(s) referred to in Item 1.

PART II – INFORMATION NOT REQUIRED TO BE SENT TO SECURITY HOLDERS

N/A

PART III – CONSENT TO SERVICE OF PROCESS

Sumitomo Chemical Co., Ltd. submitted to the Securities and Exchange Commission a written irrevocable consent and power of attorney on Form F-X dated October 29, 2025.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

SIGNATURES

     After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

 

    Sumitomo Chemical Co., Ltd.  
       
       
    /s/ Keigo Sasaki  
       
    Name: Keigo Sasaki  
       
   

Title: Representative Director and

          Senior Managing Executive Officer

  
       
       
Date: October 29, 2025