CompanyScope

Nisource Inc. 10-K and 10-Q filings

Ticker NI · SEC CIK 1111711 · Latest fiscal year ended Dec 31, 2025

Nisource Inc. has 17 annual reports and 50 quarterly reports with XBRL financial data on SEC EDGAR, filed between Aug 3, 2010 and Oct 28, 2026. Each link opens the filing's index page on sec.gov, where you can read the full document.

FiledFormAccession numberDocument
Oct 28, 202610-Q0001111711-26-000100View on SEC EDGAR
Aug 5, 202610-Q0001111711-26-000088View on SEC EDGAR
May 6, 202610-Q0001111711-26-000045View on SEC EDGAR
Feb 11, 202610-K0001111711-26-000027View on SEC EDGAR
Oct 29, 202510-Q0001111711-25-000055View on SEC EDGAR
Aug 6, 202510-Q0001111711-25-000036View on SEC EDGAR
May 7, 202510-Q0001111711-25-000020View on SEC EDGAR
Feb 12, 202510-K0001111711-25-000008View on SEC EDGAR
Oct 30, 202410-Q0001111711-24-000042View on SEC EDGAR
Aug 7, 202410-Q0001111711-24-000032View on SEC EDGAR
May 8, 202410-Q0001111711-24-000021View on SEC EDGAR
Feb 21, 202410-K0001111711-24-000011View on SEC EDGAR
Nov 1, 202310-Q0001111711-23-000041View on SEC EDGAR
Aug 2, 202310-Q0001111711-23-000026View on SEC EDGAR
May 3, 202310-Q0001111711-23-000013View on SEC EDGAR
Feb 22, 202310-K0001111711-23-000006View on SEC EDGAR
Nov 7, 202210-Q0001111711-22-000041View on SEC EDGAR
Aug 3, 202210-Q0001111711-22-000025View on SEC EDGAR
May 4, 202210-Q0001111711-22-000013View on SEC EDGAR
Feb 23, 202210-K0001111711-22-000007View on SEC EDGAR
Nov 3, 202110-Q0001111711-21-000036View on SEC EDGAR
Aug 4, 202110-Q0001111711-21-000029View on SEC EDGAR
May 5, 202110-Q0001111711-21-000018View on SEC EDGAR
Feb 17, 202110-K0001111711-21-000010View on SEC EDGAR
Nov 2, 202010-Q0001111711-20-000047View on SEC EDGAR
Aug 5, 202010-Q0001111711-20-000036View on SEC EDGAR
May 6, 202010-Q0001111711-20-000022View on SEC EDGAR
Feb 28, 202010-K0001111711-20-000013View on SEC EDGAR
Oct 30, 201910-Q0001111711-19-000041View on SEC EDGAR
Jul 31, 201910-Q0001111711-19-000034View on SEC EDGAR
May 1, 201910-Q0001111711-19-000022View on SEC EDGAR
Feb 20, 201910-K0001111711-19-000008View on SEC EDGAR
Nov 1, 201810-Q0001111711-18-000049View on SEC EDGAR
Aug 1, 201810-Q0001111711-18-000034View on SEC EDGAR
May 2, 201810-Q0001111711-18-000021View on SEC EDGAR
Feb 20, 201810-K0001111711-18-000008View on SEC EDGAR
Nov 1, 201710-Q0001111711-17-000060View on SEC EDGAR
Aug 2, 201710-Q0001111711-17-000052View on SEC EDGAR
May 8, 201710-K0001111711-17-000037View on SEC EDGAR
May 3, 201710-Q0001111711-17-000032View on SEC EDGAR
Feb 22, 201710-K0001111711-17-000011View on SEC EDGAR
Nov 1, 201610-Q0001111711-16-000084View on SEC EDGAR
Aug 2, 201610-Q0001111711-16-000078View on SEC EDGAR
May 3, 201610-Q0001111711-16-000064View on SEC EDGAR
Feb 18, 201610-K0001111711-16-000049View on SEC EDGAR
Nov 3, 201510-Q0001111711-15-000037View on SEC EDGAR
Aug 3, 201510-Q0001111711-15-000030View on SEC EDGAR
Apr 30, 201510-Q0001111711-15-000022View on SEC EDGAR
Feb 18, 201510-K0001111711-15-000008View on SEC EDGAR
Oct 30, 201410-Q0001111711-14-000063View on SEC EDGAR
Jul 31, 201410-Q0001111711-14-000052View on SEC EDGAR
Apr 30, 201410-Q0001111711-14-000036View on SEC EDGAR
Feb 18, 201410-K0001111711-14-000016View on SEC EDGAR
Oct 31, 201310-Q0001111711-13-000050View on SEC EDGAR
Jul 31, 201310-Q0001111711-13-000038View on SEC EDGAR
Apr 30, 201310-Q0001111711-13-000021View on SEC EDGAR
Feb 19, 201310-K0001111711-13-000007View on SEC EDGAR
Nov 2, 201210-Q0001111711-12-000011View on SEC EDGAR
Jul 31, 201210-Q0001193125-12-324979View on SEC EDGAR
May 1, 201210-Q0001193125-12-199491View on SEC EDGAR
Feb 24, 201210-K0001193125-12-077712View on SEC EDGAR
Oct 28, 201110-Q0001193125-11-285590View on SEC EDGAR
Aug 2, 201110-Q0000950123-11-071412View on SEC EDGAR
May 3, 201110-Q0000950123-11-043546View on SEC EDGAR
Feb 28, 201110-K0000950123-11-019598View on SEC EDGAR
Oct 29, 201010-Q0000950123-10-097945View on SEC EDGAR
Aug 3, 201010-Q0000950123-10-071671View on SEC EDGAR

This list covers filings that contain XBRL financial data (generally from 2009 onward). It does not include 8-Ks, proxy statements or other forms. For the complete history, see Nisource Inc. on EDGAR.

Source: SEC EDGAR XBRL company facts for CIK 1111711 (raw data). Most recent filing in this dataset: 10-Q filed Oct 28, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.