[144] NISOURCE INC. SEC Filing

Rhea-AI Filing Summary

NiSource (NI)8,000 shares of common stock through Fidelity Brokerage Services LLC on the NYSE. The filing lists an aggregate market value of about $345,040.00 for these shares, compared with 477,195,529 shares of common stock outstanding. The seller acquired the shares as restricted stock that vested in two tranches of 3,790 and 4,210 shares on 12/31/2023 and 02/28/2024, both described as compensation from the issuer. The approximate sale date noted is 11/25/2025. By signing the notice, the seller represents they are not aware of any undisclosed material adverse information about NiSource.

11/25/2025 - 05:04 PM

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	8000	345040.00	477195529	11/25/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	12/31/2023	Restricted Stock Vesting	Issuer			3790	12/31/2023	Compensation
Common	02/28/2024	Restricted Stock Vesting	Issuer			4210	02/28/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the NiSource (NI) Form 144 filing disclose?

The Form 144 for NiSource (NI) discloses a planned sale of up to 8,000 shares of NiSource common stock, subject to Rule 144 conditions.

How many NiSource (NI) shares are covered by this Form 144?

The notice covers up to 8,000 shares of NiSource common stock that may be sold.

What is the aggregate market value of the NiSource shares to be sold?

The Form 144 lists an aggregate market value of approximately $345,040.00 for the 8,000 shares covered by the filing.

How and when were the NiSource (NI) shares in this Form 144 acquired?

The shares were acquired as restricted stock vesting from the issuer in two grants: 3,790 shares on 12/31/2023 and 4,210 shares on 02/28/2024, both described as compensation.

What is the approximate date and exchange for the NiSource share sale?

The filing notes an approximate sale date of 11/25/2025, with trading to take place on the NYSE through Fidelity Brokerage Services LLC.

How many NiSource (NI) shares are outstanding according to this Form 144?

The Form 144 reports that 477,195,529 shares of NiSource common stock are outstanding, providing context for the planned 8,000-share sale.

What representation does the seller make in the NiSource Form 144?

By signing the notice, the seller represents that they do not know any material adverse information about NiSource’s current or prospective operations that has not been publicly disclosed.