NiSource (NI) SEC Filings: History & Chart

NiSource Inc(NI)

Regulated Gas · Merrillville, IN

$41.08-0.33 (-0.81%)

Delayed quote: Sep 14, 2026, 3:59 PM EDT

About NiSource Inc

NiSource Inc., an energy holding company, operates as a regulated natural gas and electric utility company in the United States. It operates in two segments, Columbia Operations and NIPSCO Operations. The company provides natural gas to residential, commercial, and industrial customers through approximately 37,300 miles of distribution main pipeline and the associated individual customer service lines; and 310 miles of transmission main pipeline in Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. It also generates, transmits, and distributes electricity to approximately 0.5 million customers in various counties in the northern part of Indiana, as well as engages in wholesale electric and transmission transactions. It owns and operates steam coal generating stations in Wheatfield and Michigan City; combined cycle gas turbine in West Terre Haute; natural gas generating units in Wheatfield; hydro generating plants in Carroll County and White County; wind generating units in White County; and solar generating units in Sullivan County, Gibson County, Jasper County, and White County. The company was formerly known as NIPSCO Industries, Inc. and changed its name to NiSource Inc. in April 1999. NiSource Inc. was founded in 1847 and is headquartered in Merrillville, Indiana.

Merrillville, IN

7,703 employees

www.nisource.com

Utilities / Regulated Gas

Sector: Utilities
Industry: Regulated Gas
CEO: Lloyd Yates

View full financials

Form	Filing Date	Accepted	Document
8-K	Aug 18, 2026	Aug 18, 2026	View filing
4	Aug 18, 2026	Aug 18, 2026	View filing
424B2	Aug 14, 2026	Aug 14, 2026	View filing
SC 13G/A	Aug 14, 2026	Aug 14, 2026	View filing
FWP	Aug 13, 2026	Aug 13, 2026	View filing
424B5	Aug 13, 2026	Aug 13, 2026	View filing
10-Q	Aug 5, 2026	Aug 5, 2026	View filing
8-K	Aug 5, 2026	Aug 5, 2026	View filing
4	Jul 15, 2026	Jul 15, 2026	View filing
11-K	Jun 18, 2026	Jun 18, 2026	View filing
4	May 27, 2026	May 27, 2026	View filing
4	May 26, 2026	May 26, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
8-K	May 18, 2026	May 18, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
4	May 13, 2026	May 13, 2026	View filing
8-K	May 12, 2026	May 12, 2026	View filing
424B2	May 12, 2026	May 12, 2026	View filing
FWP	May 11, 2026	May 11, 2026	View filing
424B5	May 11, 2026	May 11, 2026	View filing
10-Q	May 6, 2026	May 6, 2026	View filing

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