NiSource (NYSE: NI) grants EVP Kimberly Cuccia 5,937 RSUs

Rhea-AI Filing Summary

NiSource Inc. executive vice president and general counsel Kimberly S. Cuccia reported a grant of 5,937 shares of common stock on January 21, 2026 at $43.79 per share. These shares are in the form of restricted stock units under the NiSource Inc. 2020 Omnibus Incentive Plan, and the footnote states they will 100% vest on February 28, 2029 if she remains continuously employed through that date.

After this award, Cuccia beneficially owns 47,184 shares of NiSource common stock directly. She also indirectly holds 3,843.9667 shares through the NiSource Inc. Retirement Savings Plan as of January 21, 2026, reflecting shares accumulated in her 401(k) account.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cuccia Kimberly S

(Last) (First) (Middle)

801 E. 86TH AVENUE

(Street)

MERRILLVILLE IN 46410

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NISOURCE INC. [ NI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, GC & Corporate Secretary

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/21/2026		A		5,937(1)	A	$43.79	47,184	D
Common Stock								3,843.9667(2)	I	401k

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through January 21, 2026.

	/s/ Ashley Bancroft, Attorney-in-Fact	01/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did NiSource (NI) report for Kimberly S. Cuccia?

NiSource reported that Kimberly S. Cuccia, EVP, general counsel and corporate secretary, received an award of 5,937 shares of common stock on January 21, 2026, recorded at $43.79 per share as restricted stock units.

How many NiSource shares does Kimberly Cuccia own after this Form 4 transaction?

Following the reported grant, Kimberly Cuccia beneficially owns 47,184 NiSource common shares directly, plus 3,843.9667 shares held indirectly through the NiSource Inc. Retirement Savings Plan.

What are the vesting terms for Kimberly Cuccia’s 5,937 restricted stock units at NiSource (NI)?

The footnote states that each RSU represents a right to one NiSource common share, and the 5,937 RSUs will 100% vest on February 28, 2029, provided Cuccia remains continuously employed by NiSource through that date.

At what price were Kimberly Cuccia’s NiSource restricted stock units recorded?

The 5,937 restricted stock units granted to Kimberly Cuccia on January 21, 2026 were reported at a price of $43.79 per share.

How are Kimberly Cuccia’s indirect NiSource (NI) holdings structured?

The Form 4 shows 3,843.9667 NiSource shares held indirectly in a 401(k), specifically through the NiSource Inc. Retirement Savings Plan as of January 21, 2026.

What is Kimberly Cuccia’s role at NiSource associated with this Form 4 filing?

In this Form 4, Kimberly S. Cuccia is identified as an officer of NiSource with the title EVP, GC & Corporate Secretary, and the filing reflects equity compensation tied to that role.