NISOURCE INC. (NI) Form 10-Q Quarterly Reports

NISOURCE INC. (NI) is a publicly traded company on the NYSE, categorized under SIC 4931 (Electric & Other Services Combined). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: NI CIK: 1111711 Exchange: NYSE SIC 4931: Electric & Other Services Combined Fiscal Year End: 12/31 State: DE

Independent PCAOB Auditor

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Audit Firm Deloitte & Touche LLP
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerTricia Pemberton
Audit LocationColumbus, Ohio, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
8-K 2026-10-16 2026-10-15 8-K 0001193125-26-423375 View SEC Doc Filr Page
8-K 2026-08-18 2026-08-18 8-K 0001193125-26-355564 View SEC Doc Filr Page
4 2026-08-18 2026-08-14 PRIMARY DOCUMENT 0001111711-26-000089 View SEC Doc Filr Page
424B2 2026-08-14 — 424B2 0001193125-26-352576 View SEC Doc Filr Page
144 2026-08-14 — 144 Filing 0001959173-26-006032 View SEC Doc Filr Page
SCHEDULE 13G/A 2026-08-14 — SCHEDULE 13G/A Filing 0001897612-26-000579 View SEC Doc Filr Page
FWP 2026-08-13 — FWP 0001193125-26-349602 View SEC Doc Filr Page
424B5 2026-08-13 — 424B5 0001193125-26-348038 View SEC Doc Filr Page
10-Q 2026-08-05 2026-06-30 10-Q 0001111711-26-000088 View SEC Doc Filr Page
8-K 2026-08-05 2026-08-05 8-K 0001111711-26-000087 View SEC Doc Filr Page
4 2026-07-15 2026-07-13 PRIMARY DOCUMENT 0001111711-26-000078 View SEC Doc Filr Page
11-K 2026-06-18 2025-12-31 11-K 0001111711-26-000077 View SEC Doc Filr Page
4 2026-05-27 2026-05-22 PRIMARY DOCUMENT 0001111711-26-000074 View SEC Doc Filr Page
4 2026-05-26 2026-05-21 PRIMARY DOCUMENT 0001111711-26-000073 View SEC Doc Filr Page
144 2026-05-22 — 144 Filing 0001959173-26-003900 View SEC Doc Filr Page
4 2026-05-21 2026-05-14 PRIMARY DOCUMENT 0001111711-26-000071 View SEC Doc Filr Page
144 2026-05-21 — 144 Filing 0001959173-26-003866 View SEC Doc Filr Page
144 2026-05-20 — 144 Filing 0001959173-26-003810 View SEC Doc Filr Page
8-K 2026-05-18 2026-05-18 8-K 0001193125-26-228913 View SEC Doc Filr Page
144 2026-05-14 — 144 Filing 0001959173-26-003591 View SEC Doc Filr Page
4 2026-05-13 2026-05-11 PRIMARY DOCUMENT 0001111711-26-000069 View SEC Doc Filr Page
4 2026-05-13 2026-05-11 PRIMARY DOCUMENT 0001111711-26-000067 View SEC Doc Filr Page
4 2026-05-13 2026-05-11 PRIMARY DOCUMENT 0001111711-26-000063 View SEC Doc Filr Page
4 2026-05-13 2026-05-11 PRIMARY DOCUMENT 0001111711-26-000061 View SEC Doc Filr Page
4 2026-05-13 2026-05-11 PRIMARY DOCUMENT 0001111711-26-000059 View SEC Doc Filr Page