Michael Luhrs - 27 Feb 2026 Form 4 Insider Report for NISOURCE INC. (NI)

Reporting relationship: EVP, Tech, Customer & CCO
Issuer ticker: NI
Reported as of: 27 Feb 2026
Net transaction value: +$1,448,042
SEC form: 4
Accepted by SEC: 03 Mar 2026, 16:59:11 UTC
Prior SEC filing: 23 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Ashley Bancroft, Attorney-in-Fact

Key filing fact

Michael Luhrs filed Form 4 for NISOURCE INC. (NI) on 03 Mar 2026.

Key facts

This page summarizes Michael Luhrs's Form 4 filing for NISOURCE INC. (NI).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 16:59.

Change

Previous filing in this sequence was filed on 23 Jan 2026.
Current net transaction value: +$1,448,042.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001921786 Primary reporting owner

Luhrs Michael

Relationship: EVP, Tech, Customer & CCO
Address: 801 E. 86TH AVENUE, MERRILLVILLE
Signature: /s/ Ashley Bancroft, Attorney-in-Fact
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NI transaction

Common Stock

Award

Transaction value: $2,923,660
Shares: +61,811
Change %: +69%
Price: $47.30
Shares after: 151,375
Date: 27 Feb 2026
Ownership: Direct
Footnotes: F1

NI transaction

Common Stock

Tax liability

Transaction value: $1,304,014
Shares: -27,569
Change %: -18%
Price: $47.30
Shares after: 123,806
Date: 27 Feb 2026
Ownership: Direct
Footnotes: F2

NI transaction

Common Stock

Tax liability

Transaction value: $171,604
Shares: -3,628
Change %: -2.9%
Price: $47.30
Shares after: 120,178
Date: 27 Feb 2026
Ownership: Direct
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Vesting of non-derivative performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d).

Footnote F2

Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the performance stock units above.

Footnote F3

Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the 2023 Restricted Stock Unit award.

Footnote F4

Includes shares acquired through the NiSource Inc. Employee Stock Purchase Plan.