FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
450, 5th Street
Washington, D.C. 20549
REPORT OF FOREIGN PRIVATE ISSUER
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of March, 2006
Daiichi Sankyo Company, Limited
(Translation of registrant’s name into English)
5-1, Nihonbashi 3-chome
Chuo-ku, Tokyo 103-8426
Japan
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F þ Form 40-F ¨
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):
Yes ¨ No þ
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):
Yes ¨ No þ
Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes ¨ No þ
If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| DAIICHI SANKYO COMPANY, LIMITED | ||||
| DATE: March 23, 2006 | By: | /s/ Takashi Shoda
| ||
| Name: | Takashi Shoda | |||
| Title: | President and Representative Director | |||
EXHIBIT INDEX
Exhibit Number | Description of Exhibit | |||
| 99.1 | — | Press Release: “Sankyo and Exelixis Sign Joint Research Agreement” |