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NI 424B2: Shelf registration

Filed with the SEC on · accession 0001193125-26-445639

NI filed a 424B2 (prospectus (offering)) with the SEC on Nov 3, 2026. NiSource Inc. priced a public offering of $600 million aggregate principal amount of 5.400% senior unsecured notes due 2032, issued under an existing shelf registration statement. The stock moved -0.5% by the first close after the filing.

Summary of the filing

NiSource Inc. priced a public offering of $600 million aggregate principal amount of 5.400% senior unsecured notes due 2032, issued under an existing shelf registration statement. The notes were priced at 99.752% of par, with net proceeds to the company of approximately $594.9 million before expenses.

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Key details

Aggregate principal amount of notes offered$600.0M
Price to public per note$100
Underwriting discount per note$1
Proceeds to issuer before expenses per note$99
Total price to public$598.5M
Total underwriting discount$3.6M
Total proceeds to issuer before expenses$594.9M
IssuerNiSource Inc.
Joint book-running managerBMO Capital Markets
Joint book-running managerKeyBanc Capital Markets
Joint book-running managerMizuho
Joint book-running managerPNC Capital Markets LLC
Co-managerAcademy Securities
Co-managerSiebert Williams Shank

How NI stock reacted

Close before

$44.86

Nov 2, 2026

First close after

-0.53%

$44.62

5 trading days

—

Since filing

-1.58%

$44.15

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Frequently asked questions

What did NI file with the SEC on Nov 3, 2026?

NI filed a 424B2 (Shelf registration). NiSource Inc. priced a public offering of $600 million aggregate principal amount of 5.400% senior unsecured notes due 2032, issued under an existing shelf registration statement. The notes were priced at 99.752% of par, with net proceeds to the company of approximately $594.9 million before expenses.

What does a shelf registration mean for NI stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B2?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B2 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did NI stock react to this filing?

NI closed at $44.86 before the filing and $44.62 on Nov 3, 2026 (-0.53%).

Other NI SEC filings

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