$Upwork(UPWK)$ 8-K - Current report Filed: 2019-07-11 AccNo: 0001627475-19-000019 Size: 42 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 8.01: Other Events 网页链接