NiSource executive plans $1.59M stock sale

NiSource Inc. insider Melody Birmingham filed to sell 37,510 shares of Common Stock through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $1,590,397.74 as of 08/14/2026.

Rhea-AI Filing Summary

NiSource Inc. insider Melody Birmingham filed to sell 37,510 shares of Common Stock through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $1,590,397.74 as of 08/14/2026. The shares derive from restricted stock vesting, dividend reinvestment, and compensation grants.

Key Figures

Planned shares to be sold: 37,510 shares Aggregate market value of planned sale: $1,590,397.74 Recent sale 1: 10,000 shares for $471,850.00 +4 more

7 metrics

Planned shares to be sold 37,510 shares Common Stock to be sold through Fidelity Brokerage Services LLC

Aggregate market value of planned sale $1,590,397.74 Value of 37,510 Common shares as of 08/14/2026

Recent sale 1 10,000 shares for $471,850.00 Common Stock sold on 05/14/2026 by Melody Birmingham

Recent sale 2 2,500 shares for $118,575.25 Common Stock sold on 05/20/2026 by Melody Birmingham

Restricted stock vesting 1 5,054 shares Restricted Stock Vesting dated 07/01/2023

Dividend reinvestment shares 352 shares Dividend Reinvestment dated 11/19/2025

Restricted stock vesting 2 32,104 shares Restricted Stock Vesting dated 02/27/2026

Key Terms

Restricted Stock Vesting, Dividend Reinvestment, Compensation

3 terms

Restricted Stock Vesting financial

"Common | 07/01/2023 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Dividend Reinvestment financial

"Common | 11/19/2025 | Dividend Reinvestment | Issuer"

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

Compensation financial

"32104 | 02/27/2026 | Compensation"

FAQ

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

What does the NI filing report about Melody Birmingham's planned stock sale?

The filing reports that Melody Birmingham plans to sell 37,510 shares of NiSource Inc. Common Stock through Fidelity Brokerage Services, with an aggregate market value of $1,590,397.74 based on pricing as of 08/14/2026.

How many NiSource (NI) shares has Melody Birmingham sold recently?

Over the past three months, Melody Birmingham sold 10,000 shares for $471,850.00 on 05/14/2026 and 2,500 shares for $118,575.25 on 05/20/2026, all in NiSource Inc. Common Stock.

What types of transactions created the NiSource (NI) shares to be sold by Melody Birmingham?

The shares to be sold come from restricted stock vesting on 07/01/2023 and 02/27/2026 and from a dividend reinvestment transaction on 11/19/2025, all issued by NiSource Inc. as compensation or cash distributions.

On which exchange are Melody Birmingham’s NiSource (NI) shares planned to be sold?

The Common Stock covered by Melody Birmingham’s planned sale is listed on the NYSE, and the filing identifies Fidelity Brokerage Services LLC as the broker handling the 37,510-share transaction.

What is the approximate value of Melody Birmingham’s planned NiSource (NI) stock sale?

The planned sale of 37,510 NiSource Common shares has an aggregate market value of $1,590,397.74 based on the price used in the filing dated 08/14/2026.

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

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Available on EDGAR 08/14/2026 - 02:45 PM Accepted by SEC EDGAR 08/14/2026 - 02:45 PM Learn about SEC filing dates

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	0001738248
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NISOURCE INC.
SEC File Number	001-16189
Address of Issuer	801 EAST 86TH AVE MERRILLVILLE INDIANA 46410-6272
Phone	2196475200
Name of Person for Whose Account the Securities are To Be Sold	BIRMINGHAM MELODY
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	Officer

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	37510	1590397.74	479560100	08/14/2026	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	07/01/2023	Restricted Stock Vesting	Issuer			5054	07/01/2023	Compensation
Common	11/19/2025	Dividend Reinvestment	Issuer			352	11/19/2025	Cash
Common	02/27/2026	Restricted Stock Vesting	Issuer			32104	02/27/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Melody Birmingham 801 East 86th Avenue Merrillville IN 46410	Common	05/14/2026	10000	471850.00
Melody Birmingham 801 East 86th Avenue Merrillville IN 46410	Common	05/20/2026	2500	118575.25

144: Remarks and Signature

Remarks
Date of Notice	08/14/2026
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	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Melody Birmingham
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)