[CUSIP No. 781314109 1 Name of Reporting Person: Alibaba Group Holding Limited I.R.S. Identification No. of above Person (entities only) (voluntary) 2 Check the Appropriate Box if a Member of a Group (a) [ ] 3 SEC USE ONLY 4 Citizenship or Place of Organization 5 SOLE VOTING POWER 0 SHARES 6 SHARED V]