NiSource CFO Shawn Anderson sells 6,500 shares

The automatically executed sale was made under a trading plan adopted May 14, 2026; the filing also lists direct and retirement-plan holdings.

Available on EDGAR 11/03/2026 - 04:09 PM EST Accepted by SEC EDGAR 11/03/2026 - 04:09 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

NiSource Inc. (NI) EVP & CFO Shawn Anderson sold 6,500 shares of common stock at $45.0000 per share on October 30, 2026. The sale occurred automatically under a Rule 10b5-1 trading plan adopted May 14, 2026. After the sale, Anderson directly held 160,080.1480 shares, including shares acquired through dividend reinvestments; the filing also lists 823.3452 shares indirectly through the NiSource Inc. Retirement Savings Plan through October 30, 2026.

Insider Trade Summary 10b5-1

Net Seller: 6,500 shares

Net Sell 1 txn

Insider Anderson Shawn

Role EVP & CFO

Sold 6,500 shs ($293K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	6,500	$45.00	$293K
Holding	Common Stock F3	--	--	--

Holdings After Transaction: Common Stock — 160,080.148 shares (Direct); Common Stock — 823.3452 shares (Indirect, 401(k))

Footnotes (3)

1. F1. The reported sale of 6,500 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 14, 2026.
2. F2. Includes shares acquired through dividend reinvestments.
3. F3. Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through October 30, 2026.

Key Figures

Common shares sold: 6,500 shares Sale price per share: $45.0000 per share Direct shares following sale: 160,080.1480 shares +2 more

5 metrics

Common shares sold 6,500 shares October 30, 2026

Sale price per share $45.0000 per share October 30, 2026

Direct shares following sale 160,080.1480 shares Includes shares acquired through dividend reinvestments

Indirect Retirement Savings Plan shares 823.3452 shares Through October 30, 2026

Rule 10b5-1 trading plan adoption date May 14, 2026 Plan governing the reported sale

Key Terms

Rule 10b5-1 trading plan, dividend reinvestments, NiSource Inc. Retirement Savings Plan

3 terms

Rule 10b5-1 trading plan regulatory

"automatically pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

dividend reinvestments financial

"shares acquired through dividend reinvestments"

NiSource Inc. Retirement Savings Plan financial

"shares acquired through the NiSource Inc. Retirement Savings Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many NI shares did CFO Shawn Anderson sell, and at what price?

Shawn Anderson, NiSource Inc.'s EVP & CFO, sold 6,500 shares at $45.0000 per share on October 30, 2026. The sale occurred automatically under a Rule 10b5-1 trading plan adopted May 14, 2026.

How many NI shares did Shawn Anderson hold after the sale?

After the sale, Anderson directly held 160,080.1480 shares, including shares acquired through dividend reinvestments. The filing also lists 823.3452 shares indirectly through the NiSource Inc. Retirement Savings Plan through October 30, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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).

X

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^*

Anderson Shawn

(Last) (First) (Middle)

801 E. 86TH AVENUE

(Street)

MERRILLVILLE INDIANA 46410

(City) (State) (Zip)

UNITED STATES

(Country)

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 & CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2026

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

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

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

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	10/30/2026		S		6,500(1)	D	$45	160,080.148(2)	D
Common Stock								823.3452(3)	I	401(k)

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. The reported sale of 6,500 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 14, 2026.

2. Includes shares acquired through dividend reinvestments.

3. Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through October 30, 2026.

	/s/ Ashley Bancroft, Attorney-in-Fact	11/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)