6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/17/12

SC 13D

General statement of acquisition of beneficial ownership

04/30/12

20-F

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

04/27/12

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

03/07/12

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/12

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/12

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/13/12

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/09/12

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/08/12

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

01/10/12

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/14/11

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

09/23/11

SC 13D

General statement of acquisition of beneficial ownership

08/29/11

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

08/19/11

CT ORDER

Confidential treatment order

07/08/11

SC 13G

Statement of acquisition of beneficial ownership by individuals

06/13/11

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

06/08/11

20-F

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

05/31/11

SC 13G

Statement of acquisition of beneficial ownership by individuals

05/23/11

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/23/11

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

04/11/11

6-K/A

[Amend] - Report of foreign issuer [Rules 13a-16 and 15d-16]

04/01/11

SC 13D

General statement of acquisition of beneficial ownership

04/01/11

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

03/08/11

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/11

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/11

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/11

SC 13G

Statement of acquisition of beneficial ownership by individuals

01/25/11

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

01/25/11

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

01/06/11

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/22/10

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

09/16/10

S-8

Securities to be offered to employees in employee benefit plans

09/03/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

08/13/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

08/09/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

07/08/10

20-F/A

[Amend] - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

06/10/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/19/10

20-F

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

05/14/10

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

04/27/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

03/12/10

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/18/10

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/16/10

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/16/10

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/12/10

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/12/10

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/08/10

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/02/10

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

12/23/09

424B3

Prospectus [Rule 424(b)(3)]

12/23/09

F-3ASR

Automatic shelf registration statement of securities of well-known seasoned issuers

12/23/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

12/23/09

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

12/11/09

SC 13D

General statement of acquisition of beneficial ownership

12/07/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

12/02/09

8-A12G/A

[Amend] - Registration of securities [Section 12(g)]

11/20/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/20/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/18/09

SC 13D

General statement of acquisition of beneficial ownership

11/17/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/12/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

11/09/09

SC 13G

Statement of acquisition of beneficial ownership by individuals

11/09/09

CT ORDER

Confidential treatment order

10/14/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

09/28/09

20-F/A

[Amend] - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

09/18/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

09/04/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

07/10/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

07/10/09

20-F

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

06/29/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

06/16/09

6-K/A

[Amend] - Report of foreign issuer [Rules 13a-16 and 15d-16]

06/05/09

6-K/A

[Amend] - Report of foreign issuer [Rules 13a-16 and 15d-16]

06/05/09

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

06/05/09

UPLOAD

[Cover] - SEC-generated letter

03/24/09

20-F/A

[Amend] - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

03/18/09

CORRESP

[Cover] - Correspondence

02/18/09

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/17/09

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/13/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/13/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/12/09

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/11/09

UPLOAD

[Cover] - SEC-generated letter

02/04/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/03/09

CORRESP

[Cover] - Correspondence

01/29/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

01/29/09

CORRESP

[Cover] - Correspondence

01/23/09

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

01/12/09

UPLOAD

[Cover] - SEC-generated letter

01/12/09

SC 13G

Statement of acquisition of beneficial ownership by individuals

12/22/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

12/22/08

CORRESP

[Cover] - Correspondence

12/19/08

CORRESP

[Cover] - Correspondence

12/02/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/18/08

UPLOAD

[Cover] - SEC-generated letter

10/31/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

08/11/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

07/29/08

SC 13G

Statement of acquisition of beneficial ownership by individuals

07/11/08

20-F

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

06/30/08

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

06/10/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/16/08

SC 13G

Statement of acquisition of beneficial ownership by individuals

04/10/08

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

02/25/08

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/08

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/14/08

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/13/08

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/13/08

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/06/08

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/05/08

SC 13G

Statement of acquisition of beneficial ownership by individuals

01/29/08

6-K/A

[Amend] - Report of foreign issuer [Rules 13a-16 and 15d-16]

11/20/07

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

11/16/07

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

08/07/07

S-8

Securities to be offered to employees in employee benefit plans

07/26/07

10-K/A

[Amend] - Annual report [Section 13 and 15(d), not S-K Item 405]

06/08/07

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/25/07

6-K

Report of foreign issuer [Rules 13a-16 and 15d-16]

05/15/07

10-K/A

[Amend] - Annual report [Section 13 and 15(d), not S-K Item 405]

05/11/07

10-K/A

[Amend] - Annual report [Section 13 and 15(d), not S-K Item 405]

04/30/07

SC 13G

Statement of acquisition of beneficial ownership by individuals

03/12/07

10-K

Annual report [Section 13 and 15(d), not S-K Item 405]

03/01/07

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/21/07

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/20/07

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/14/07

SC 13G

Statement of acquisition of beneficial ownership by individuals

02/14/07

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

02/12/07

8-K

Current report Item 2.02: Results of Operations and Financial Condition Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits

02/07/07

SC 13G/A

[Amend] - Statement of acquisition of beneficial ownership by individuals

02/06/07

4

Statement of changes in beneficial ownership of securities

12/12/06

4

Statement of changes in beneficial ownership of securities

11/17/06

4

Statement of changes in beneficial ownership of securities

11/09/06

10-Q

Quarterly report [Sections 13 or 15(d)]

11/09/06

SC 13D/A

[Amend] - General statement of acquisition of beneficial ownership

11/07/06

8-K

Current report Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

11/02/06

4

Statement of changes in beneficial ownership of securities

09/12/06

4

Statement of changes in beneficial ownership of securities

09/12/06

10-Q

Quarterly report [Sections 13 or 15(d)]

08/09/06

8-K

Current report Item 1.01: Entry into a Material Definitive Agreement

08/04/06

8-K

Current report Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

08/02/06

SC 13G

Statement of acquisition of beneficial ownership by individuals

07/14/06

4/A

[Amend] - Statement of changes in beneficial ownership of securities

06/30/06

4/A

[Amend] - Statement of changes in beneficial ownership of securities

06/30/06

4/A

[Amend] - Statement of changes in beneficial ownership of securities

06/30/06

4/A

[Amend] - Statement of changes in beneficial ownership of securities

06/30/06

4

Statement of changes in beneficial ownership of securities

06/27/06

4

Statement of changes in beneficial ownership of securities

06/27/06