$Plains Group Holdings, L.P. Class A Shares representing limited partner interests(PAGP)$ 8-K - Current report Filed: 2018-08-21 AccNo: 0001104659-18-053058 Size: 62 KBItem 7.01: Regulation FD DisclosureItem 8.01: Other EventsItem 9.01: Financial Statements and Exhibits 网页链接