<SEC-DOCUMENT>0001193125-25-270946-index.html : 20251107 <SEC-HEADER>0001193125-25-270946.hdr.sgml : 20251107 <ACCEPTANCE-DATETIME>20251107063052 ACCESSION NUMBER: 0001193125-25-270946 CONFORMED SUBMISSION TYPE: S-8 PUBLIC DOCUMENT COUNT: 18 FILED AS OF DATE: 20251107 DATE AS OF CHANGE: 20251107 EFFECTIVENESS DATE: 20251107 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NISOURCE INC. CENTRAL INDEX KEY: 0001111711 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] ORGANIZATION NAME: 01 Energy & Transportation EIN: 352108964 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: S-8 SEC ACT: 1933 Act SEC FILE NUMBER: 333-291346 FILM NUMBER: 251460387 BUSINESS ADDRESS: STREET 1: 801 EAST 86TH AVE CITY: MERRILLVILLE STATE: IN ZIP: 46410-6272 BUSINESS PHONE: 2196475200 MAIL ADDRESS: STREET 1: 801 EAST 86TH AVE CITY: MERRILLVILLE STATE: IN ZIP: 46410-6272 FORMER COMPANY: FORMER CONFORMED NAME: NISOURCE INC/DE DATE OF NAME CHANGE: 20001103 FORMER COMPANY: FORMER CONFORMED NAME: NEW NISOURCE INC DATE OF NAME CHANGE: 20000412 </SEC-HEADER> <DOCUMENT> <TYPE>S-8 <SEQUENCE>1 <FILENAME>d873214ds8.htm <DESCRIPTION>S-8 <TEXT> Document 1 - file: d873214ds8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>d873214dex51.htm <DESCRIPTION>EX-5.1 <TEXT> Document 2 - file: d873214dex51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>3 <FILENAME>d873214dex231.htm <DESCRIPTION>EX-23.1 <TEXT> Document 3 - file: d873214dex231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.2 <SEQUENCE>4 <FILENAME>d873214dex232.htm <DESCRIPTION>EX-23.2 <TEXT> Document 4 - file: d873214dex232.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>5 <FILENAME>d873214dex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 5 - file: d873214dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>6 <FILENAME>d873214dex992.htm <DESCRIPTION>EX-99.2 <TEXT> Document 6 - file: d873214dex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-FILING FEES <SEQUENCE>7 <FILENAME>d873214dexfilingfees.htm <DESCRIPTION>EX-FILING FEES <TEXT> Document 7 - file: d873214dexfilingfees.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g873214g1105023529865.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g873214g1105023529865.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>13 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: FilingSummary.html
Document 16 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>18 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>19 <FILENAME>0001193125-25-270946-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: 0001193125-25-270946-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>20 <FILENAME>d873214dexfilingfees_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 20 - file: d873214dexfilingfees_htm.html
Document 20 - RAW XML: d873214dexfilingfees_htm.xml
</DOCUMENT> </SEC-DOCUMENT>