Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001140361-26-011851
Filing Date
2026-03-30
Accepted
2026-03-30 06:31:06
Documents
54
Period of Report
2026-05-11

Document Format Files

Seq Description Document Type Size
1 DEF 14A ny20055306x771_def14a.htm   iXBRL DEF 14A 2537627
6 GRAPHIC logo_nisource2.jpg GRAPHIC 42485
7 GRAPHIC ny20055306x771_anderson-new.jpg GRAPHIC 34446
8 GRAPHIC ny20055306x771_birmingham.jpg GRAPHIC 35104
9 GRAPHIC ny20055306x771_clee.jpg GRAPHIC 40636
10 GRAPHIC ny20055306x771_cover.jpg GRAPHIC 586877
11 GRAPHIC ny20055306x771_dhenretta.jpg GRAPHIC 42283
12 GRAPHIC ny20055306x771_dhersman.jpg GRAPHIC 44728
13 GRAPHIC ny20055306x771_diversity.jpg GRAPHIC 128753
14 GRAPHIC ny20055306x771_ebutler.jpg GRAPHIC 39764
15 GRAPHIC ny20055306x771_jefferson-new.jpg GRAPHIC 34071
16 GRAPHIC ny20055306x771_johnmcavoy.jpg GRAPHIC 40082
17 GRAPHIC ny20055306x771_kkabat.jpg GRAPHIC 38718
18 GRAPHIC ny20055306x771_lloydmyates.jpg GRAPHIC 40198
19 GRAPHIC ny20055306x771_luhrs-new.jpg GRAPHIC 33742
20 GRAPHIC ny20055306x771_mjesanis.jpg GRAPHIC 40456
21 GRAPHIC ny20055306x771_paltabef.jpg GRAPHIC 37914
22 GRAPHIC ny20055306x771_piechart.jpg GRAPHIC 61859
23 GRAPHIC ny20055306x771_slbarbour.jpg GRAPHIC 39514
24 GRAPHIC ny20055306x771_thbunting.jpg GRAPHIC 41156
25 GRAPHIC ny20055306x771_uncheck.jpg GRAPHIC 4351
26 GRAPHIC ny20055306x771_wdjohnson.jpg GRAPHIC 42229
27 GRAPHIC ny20055306x771_yates-new.jpg GRAPHIC 35252
28 GRAPHIC ny20055306x777_bullet.jpg GRAPHIC 4168
29 GRAPHIC ny20055306x777_check1.jpg GRAPHIC 4362
30 GRAPHIC ny20055306x777_check2.jpg GRAPHIC 4704
31 GRAPHIC ny20055306x777_uncheck.jpg GRAPHIC 4351
32 GRAPHIC sig_cucciak.jpg GRAPHIC 18270
33 GRAPHIC ny20055306x771_pc01.jpg GRAPHIC 636228
34 GRAPHIC ny20055306x771_pc02.jpg GRAPHIC 645041
35 GRAPHIC ny20055306x771_graphic2.jpg GRAPHIC 723673
36 GRAPHIC ny20055306x771_graphic4.jpg GRAPHIC 136917
37 GRAPHIC ny20055306x771_graphic5.jpg GRAPHIC 143753
38 GRAPHIC ny20055306x771_graphic6.jpg GRAPHIC 118463
39 GRAPHIC ny20055306x771_pvp1.jpg GRAPHIC 235864
40 GRAPHIC ny20055306x771_pvp2.jpg GRAPHIC 213795
41 GRAPHIC ny20055306x771_pvp3.jpg GRAPHIC 207739
42 GRAPHIC ny20055306x777_bulletx2.jpg GRAPHIC 4156
43 GRAPHIC ny20055306x777_check1x2.jpg GRAPHIC 4350
44 GRAPHIC ny20055306x777_check2x2.jpg GRAPHIC 4688
  Complete submission text file 0001140361-26-011851.txt   15816896

Data Files

Seq Description Document Type Size
2 INLINE XBRL TAXONOMY EXTENSION - SCHEMA ni-20260511.xsd EX-101.SCH 5258
3 INLINE XBRL TAXONOMY EXTENSION - DEFINITION LINKBASE ni-20260511_def.xml EX-101.DEF 5823
4 INLINE XBRL TAXONOMY EXTENSION - LABEL LINKBASE ni-20260511_lab.xml EX-101.LAB 7213
5 INLINE XBRL TAXONOMY EXTENSION - PRESENTATION LINKBASE ni-20260511_pre.xml EX-101.PRE 9083
57 EXTRACTED XBRL INSTANCE DOCUMENT ny20055306x771_def14a_htm.xml XML 353889
Mailing Address 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272
Business Address 801 EAST 86TH AVE MERRILLVILLE IN 46410-6272 2196475200
NISOURCE INC. (Filer) CIK: 0001111711 (see all company filings)

EIN.: 352108964 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-16189 | Film No.: 26809865
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)