Melanie B. Berman - 21 Jan 2026 Form 4 Insider Report for NISOURCE INC. (NI)

Role: EVP Administration & CHRO
Signature: /s/ Ashley Bancroft, Attorney-in-Fact
Issuer symbol: NI
Transactions as of: 21 Jan 2026
Net transactions value: +$240,013
Form type: 4
Filing time: 23 Jan 2026, 16:18:32 UTC
Previous filing: 02 Jun 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Berman Melanie B.	EVP Administration & CHRO	801 E. 86TH AVENUE, MERRILLVILLE	/s/ Ashley Bancroft, Attorney-in-Fact	23 Jan 2026	0001933743

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NI	Common Stock	Award	$240,013	+5,481	+19%	$43.79	34,363	21 Jan 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Company's common stock pursuant to the NiSource Inc. 2020 Omnibus Incentive Plan. Subject to certain forfeiture conditions, the RSUs will 100% vest on February 28, 2029, provided that the reporting person is continuously employed by the Company through and including that date.