Michael E. Jesanis - 11 May 2026 Form 4 Insider Report for NISOURCE INC. (NI)

Reporting relationship: Director
Issuer ticker: NI
Reported as of: 11 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 May 2026, 16:21:41 UTC
Prior SEC filing: 15 May 2025
Next SEC filing: 15 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Ashley Bancroft, Attorney-in-Fact

Key filing fact

Michael E. Jesanis filed Form 4 for NISOURCE INC. (NI) on 13 May 2026.

Key facts

This page summarizes Michael E. Jesanis's Form 4 filing for NISOURCE INC. (NI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 13 May 2026, 16:21.

Change

Previous filing in this sequence was filed on 15 May 2025.
Current net transaction value: $0.

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 0001434733 Primary reporting owner

Jesanis Michael E

Relationship: Director
Address: 801 E 86TH AVENUE, MERRILLVILLE
Signature: /s/ Ashley Bancroft, Attorney-in-Fact
Signature date: 13 May 2026

Reported non-derivative transactions

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

NI transaction

Common Stock

Award

Transaction value
Shares: +3,807
Change %: +20%
Price: $47.03^*
Shares after: 22,482
Date: 11 May 2026
Ownership: Direct
Footnotes: F1, F2

NI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 30,190
Date: 11 May 2026
Ownership: By Spouse

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents an award of restricted stock units ("RSU") granted as part of the non-employee director's annual compensation and which vests in full on the first anniversary of the grant date, subject to certain acceleration conditions. RSUs represent a contingent right to receive one share of the Company's common stock upon vesting pursuant to the Company's 2020 Omnibus Plan.

Footnote F2

This amount includes RSUs received pursuant to the dividend equivalent provisions of the RSU awards, and which are subject to the same vesting conditions as the underlying RSUs.