$Ascent Solar Technologies(ASTI)$ 8-K - Current report: n Filed: 2017-07-27 AccNo: 0001350102-17-000067 Size: 177 KBItem 1.01: Entry into a Material Definitive AgreementItem 3.02: Unregistered Sales of Equity SecuritiesItem 9.01: Financial Statements and Exhibits 网页链接