RENN [Renren] SC 13G: CUSIP No. G75001 100 13G 1 Name of
[CUSIP No. G75001 100 13G 1 Name of Reporting Person:]
[CUSIP No. G75001 100 13G 1 Name of Reporting Person:]
[(Name of Issuer) Common Stock (Title of Class of Securities) 83408W103 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) * CUSIP No. 83408W103 1. NAMES OF REPORTING PERSONS 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 3. SEC USE ONLY]
[(Name of Issuer) Common Stock (Title of Class of Securities) 83408W103 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) * CUSIP No. 83408W103 1. NAMES OF REPORTING PERSONS 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 3. SEC USE ONLY]
[CUSIP No 091727107 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)]
[Common Stock 83408W103 December 31, 2011 [X] Rule 13d-1(b) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. CUSIP No.: 83408W103 1 NAME]
[Common Stock 83408W103 December 31, 2011 [X] Rule 13d-1(b) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. CUSIP No.: 83408W103 1 NAME]
[CUSIP No. 16950M107 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)]
[CUSIP No. 16950M17 1 NAMES OF REPORTING PERSONS Investor AB 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (b) [ ] 3 S EC USE ONLY 4]
[CUSIP No. 836034108 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Tianquan Mo 2. Check the Appropriate Box If A Member of A Group (See Instructions) x ¨ (a) 3. SEC Use Only 4. Citizenship or Place of Organization]
[CUSIP No. 16950M17 1 NAMES OF REPORTING PERSONS Investor AB 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (b) [ ] 3 S EC USE ONLY 4]