$莱德尔(LDL)$ 8-K - Current report Filed: 2019-10-15 AccNo: 0001144204-19-048248 Size: 601 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 9.01: Financial Statements and Exhibits 网页链接