$ASPEN TECHNOLOGY INC(AZPN)$ 8-K - Current report Filed: 2016-12-12 AccNo: 0000929940-16-000027 Size: 235 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