NiSource (NI) EVP awarded 6,851 RSUs vesting in 2029

Rhea-AI Filing Summary

NiSource Inc. executive Jefferson William Jr., EVP and Chief Operations & Safety Officer, reported an equity award linked to the company’s common stock. On January 21, 2026, he acquired 6,851 shares of common stock at $43.79 per share, bringing his total directly held common shares to 66,734 after the transaction. A related footnote explains that each Restricted Stock Unit (RSU) represents a contingent right to receive one share of NiSource common stock under the 2020 Omnibus Incentive Plan, and these RSUs are scheduled to 100% vest on February 28, 2029, provided he remains continuously employed by the company through that date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Jefferson William Jr.

Role EVP, Chief Op & Safety Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,851	$43.79	$300K

Holdings After Transaction: Common Stock — 66,734 shares (Direct)

Footnotes (1)

1. [object Object]

Form 4 Insider Transactions: What Each Field Means →

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^*

Jefferson William Jr.

(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, Chief Op & Safety Officer

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		6,851(1)	A	$43.79	66,734	D

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.

	/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 Jefferson William Jr.?

NiSource reported that EVP and Chief Operations & Safety Officer Jefferson William Jr. acquired 6,851 shares of common stock on January 21, 2026, coded as an acquisition (A).

At what price were the NiSource (NI) shares acquired in this Form 4 filing?

The 6,851 NiSource common shares were reported as acquired at a price of $43.79 per share.

How many NiSource (NI) shares does Jefferson William Jr. hold after the reported transaction?

Following the reported acquisition, Jefferson William Jr. beneficially owns 66,734 shares of NiSource common stock in direct ownership form.

What does the RSU footnote in the NiSource (NI) Form 4 filing explain?

The footnote explains that each Restricted Stock Unit (RSU) represents a contingent right to receive one NiSource common share under the 2020 Omnibus Incentive Plan.

When do the NiSource (NI) RSUs reported for Jefferson William Jr. vest?

Subject to forfeiture conditions, the RSUs will 100% vest on February 28, 2029, if Jefferson William Jr. remains continuously employed by NiSource through that date.

Is the ownership reported in this NiSource (NI) Form 4 direct or indirect?

The Form 4 shows that the 66,734 shares of NiSource common stock are held with direct (D) ownership.