Nisource NI SEC Filings

NYSE NI
$43.51 +0.52 (+1.21%)
As of: Oct 22, 2026 · 10:15 AM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Nisource Inc. (NI) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001193125-26-423375Oct 16, 2026 7:00 AM-
24Insider Transaction0001111711-26-000089Aug 18, 2026 8:23 PM
38-KCurrent Report0001193125-26-355564Aug 18, 2026 4:30 PM
4FWPOthers0001193125-26-349602Aug 13, 2026 5:13 PM
5424B5Prospectus0001193125-26-348038Aug 13, 2026 9:08 AM
610-QQuarterly & Annual Report0001111711-26-000088Aug 5, 2026 10:38 AM
78-KCurrent Report0001111711-26-000087Aug 5, 2026 10:35 AM
84Insider Transaction0001111711-26-000078Jul 15, 2026 9:06 PM
911-KOthers0001111711-26-000077Jun 18, 2026 8:43 PM
104Insider Transaction0001111711-26-000074May 27, 2026 8:07 PM
114Insider Transaction0001111711-26-000071May 21, 2026 8:16 PM
12144Insider Transaction0001959173-26-003866May 21, 2026 7:13 PM
13144Insider Transaction0001959173-26-003810May 20, 2026 4:35 PM
148-KCurrent Report0001193125-26-228913May 18, 2026 4:06 PM
15144Insider Transaction0001959173-26-003591May 14, 2026 4:40 PM
164Insider Transaction0001111711-26-000069May 13, 2026 8:33 PM
174Insider Transaction0001111711-26-000067May 13, 2026 8:29 PM
184Insider Transaction0001111711-26-000063May 13, 2026 8:24 PM
194Insider Transaction0001111711-26-000061May 13, 2026 8:22 PM
204Insider Transaction0001111711-26-000059May 13, 2026 8:21 PM
214Insider Transaction0001111711-26-000057May 13, 2026 8:20 PM
224Insider Transaction0001111711-26-000055May 13, 2026 8:18 PM
234Insider Transaction0001111711-26-000053May 13, 2026 8:17 PM
244Insider Transaction0001111711-26-000051May 13, 2026 8:16 PM
254Insider Transaction0001111711-26-000049May 13, 2026 8:15 PM
264Insider Transaction0001111711-26-000047May 13, 2026 8:13 PM
278-KCurrent Report0001193125-26-219872May 12, 2026 9:20 PM
28424B2Prospectus0001193125-26-219771May 12, 2026 9:00 PM
29FWPOthers0001193125-26-217159May 11, 2026 9:25 PM
30FWPOthers0001193125-26-217159May 11, 2026 5:25 PM
31424B5Prospectus0001193125-26-215864May 11, 2026 1:02 PM
32424B5Prospectus0001193125-26-215864May 11, 2026 1:02 PM
3310-QQuarterly & Annual Report0001111711-26-000045May 6, 2026 10:42 AM
348-KCurrent Report0001111711-26-000044May 6, 2026 10:36 AM
35SCHEDULE 13GBeneficial Ownership Report0002100119-26-000871Apr 30, 2026 11:47 AM
36SCHEDULE 13GBeneficial Ownership Report0002100121-26-000576Apr 29, 2026 6:40 PM
37ARSOthers0001140361-26-011854Mar 30, 2026 10:33 AM
38DEFA14AOthers0001140361-26-011852Mar 30, 2026 10:32 AM
39DEF 14AOthers0001140361-26-011851Mar 30, 2026 10:31 AM
40SCHEDULE 13GBeneficial Ownership Report0000102909-26-001969Mar 27, 2026 3:07 PM
414Insider Transaction0001111711-26-000037Mar 3, 2026 9:59 PM
424Insider Transaction0001111711-26-000037Mar 3, 2026 9:59 PM
434Insider Transaction0001111711-26-000037Mar 3, 2026 9:59 PM
444Insider Transaction0001111711-26-000036Mar 3, 2026 9:59 PM
454Insider Transaction0001111711-26-000036Mar 3, 2026 9:59 PM
464Insider Transaction0001111711-26-000036Mar 3, 2026 9:59 PM
474Insider Transaction0001111711-26-000035Mar 3, 2026 9:58 PM
484Insider Transaction0001111711-26-000035Mar 3, 2026 9:58 PM
494Insider Transaction0001111711-26-000035Mar 3, 2026 9:58 PM
504Insider Transaction0001111711-26-000034Mar 3, 2026 9:57 PM
...

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