$塞纳(CERN)$ 8-K - Current report Filed: 2015-05-27 AccNo: 0000804753-15-000026 Size: 229 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 5.07: Submission of Matters to a Vot 网页链接