$NiSource Inc(NI)$ 8-K - Current report Filed: 2018-12-06 AccNo: 0001193125-18-342891 Size: 273 KBItem 3.03: Material Modifications to Rights of Security HoldersItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal YearItem 8.01: Other EventsItem 9.01: Financial Statements and Exhibits 网页链接