$Ascent Solar Technologies(ASTI)$ 8-K - Current report Filed: 2018-05-07 AccNo: 0001350102-18-000012 Size: 64 KBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 网页链接