Welcome to our dedicated page for NiSource SEC filings (Ticker: NI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
NiSource Inc. filings document a Delaware-regulated utility holding company with NYSE-listed common stock under the symbol NI. The company’s 8-K reports record periodic operating results, Regulation FD disclosures, material definitive agreements, financing arrangements, and exhibits furnished with Inline XBRL cover data.
NiSource regulatory documents also cover proxy governance matters, including director elections, executive compensation votes, and auditor ratification. Recent filings describe capital-structure activity such as revolving credit agreements, junior subordinated notes, equity distribution agreements, and utility-related disclosures involving NIPSCO service obligations, generation planning, regulatory approval processes, and related financing considerations.
NiSource Inc. executive Melanie B. Berman, EVP Administration & CHRO, reported an acquisition of company equity on January 21, 2026. She received 5,481 shares of common stock at $43.79 per share, bringing her directly held beneficial ownership to 34,362.9347 shares after the transaction. The filing explains that each unit represents a right to receive one share of common stock under the NiSource Inc. 2020 Omnibus Incentive Plan and that, subject to forfeiture conditions, these restricted stock units are scheduled to fully vest on February 28, 2029, provided she remains continuously employed through that date.
NiSource Inc.'s EVP & CFO, Shawn Anderson, received 8,449 shares of common stock on January 21, 2026, as an equity award. These shares are in the form of Restricted Stock Units under the NiSource Inc. 2020 Omnibus Incentive Plan, each representing the right to receive one share of common stock.
According to the award terms, the Restricted Stock Units will 100% vest on February 28, 2029, as long as Anderson remains continuously employed with the company through that date and certain forfeiture conditions do not occur. After this award, he beneficially owns 156,640.581 shares of NiSource common stock directly, and 806.8199 additional shares are held indirectly through the NiSource Inc. Retirement Savings Plan, which includes shares acquired via dividend reinvestment.
NiSource Inc. entered into a Seventh Amended and Restated Revolving Credit Agreement that increases its revolving credit facility to $2.5 billion and extends its termination date to December 11, 2030. The facility size rose by $650 million compared with the prior agreement, providing a larger committed borrowing capacity.
The agreement also raises the portion available for standby letters of credit by $25 million to $175 million and increases certain dollar and materiality thresholds tied to permitted liens, cross-defaults and the definition of Material Subsidiary. In addition, it removes provisions that linked the Applicable Rate to environmental, social and governance key performance indicators. Other terms, including representations, covenants and events of default, substantially carry over from the prior facility.
T. Rowe Price Investment Management, Inc., a Maryland-based investment adviser, reports beneficial ownership of 50,331,635 shares of NiSource Inc. common stock, representing 10.5% of the class as of 11/30/2025.
The firm has sole power to vote 47,147,758 shares and sole power to dispose of 50,292,275 shares, with no shared voting or dispositive power. The largest single client position is T. Rowe Price Capital Appreciation Fund, which holds 31,256,116 shares, or 6.5% of the class.
The disclosure states that the securities are held in the ordinary course of business and not for the purpose of changing or influencing control of NiSource. T. Rowe Price Investment Management indicates that dividends and sale proceeds ultimately belong to its individual and institutional clients.
NiSource Inc. (NI) executive vice president, general counsel and corporate secretary reported a sale of company stock. On 11/25/2025, the reporting officer sold 8,000 shares of NiSource common stock at a price of $43.13 per share. After this transaction, the officer directly beneficially owned 41,247 shares of common stock.
The filing also notes indirect ownership of 3,843.1466 shares of NiSource common stock held through the NiSource Inc. Retirement Savings Plan as of November 25, 2025. This disclosure is a routine Form 4 filing reporting insider trading activity and updated share ownership.
NiSource (NI) has a Form 144 notice indicating a potential sale of up to 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.
NiSource Inc. completed an underwritten offering and sale of $1,000,000,000 of 5.750% Fixed-to-Fixed Reset Rate Junior Subordinated Notes due 2056. The transaction closed on November 7, 2025, under the company’s S-3 shelf.
The Notes pay interest semi-annually on January 15 and July 15, starting July 15, 2026. The rate is 5.750% per annum to, but excluding, July 15, 2031, then resets every five years to the Five-year U.S. Treasury Rate plus 2.035%, with a floor of 5.750%. Maturity is July 15, 2056. NiSource may redeem some or all Notes during specified periods and upon certain ratings or tax events, as described in the prospectus supplement.
Subject to no event of default, NiSource may defer interest for up to 20 consecutive semi-annual periods; during any deferral, it is restricted from dividends or other payments on capital stock and from certain payments on pari passu or junior indebtedness. Net proceeds are intended for general corporate purposes, including capital expenditures, working capital, and repayment of existing indebtedness.
NiSource Inc. launched a preliminary prospectus supplement for a primary offering of Fixed‑to‑Fixed Reset Rate Junior Subordinated Notes due July 15, 2056. The Notes will pay a fixed rate from the original issue date to the first reset on July 15, 2031, then reset every five years to the Five‑year U.S. Treasury Rate plus a spread, with a floor equal to the initial fixed rate. Interest is payable semi‑annually on January 15 and July 15, beginning July 15, 2026.
The Notes are unsecured and rank junior to NiSource’s Senior Indebtedness, and pari passu with its existing junior subordinated notes. NiSource may defer interest for up to 20 consecutive semi‑annual periods, with deferred amounts compounding. Optional redemption is allowed during the 90 days before the first reset and on any interest date thereafter; the Notes may also be redeemed at 100% upon a Tax Event or 102% upon a Rating Agency Event. The Notes will be issued in $2,000 minimum denominations (and $1,000 increments), settled through DTC, and will not be listed. Net proceeds are intended for general corporate purposes, including capital expenditures, working capital and debt repayment.
NiSource Inc. established an at-the-market equity offering program permitting issuances and sales of up to $1,500,000,000 of common stock through December 31, 2028 under its automatic shelf registration. Sales may occur from time to time via designated agents on the NYSE or otherwise, including through forward sale agreements with affiliated forward purchasers.
The company will not initially receive proceeds from borrowed shares sold by forward sellers; cash is expected upon physical settlement of forward agreements. Agent commissions are up to 2% of the sales price. NiSource also terminated its prior 2024 ATM program and issued a press release announcing the new facility.
NiSource Inc. (NI) launched an at-the‑market offering of up to $1,500,000,000 of common stock, to be sold from time to time through multiple sales agents or via forward sale agreements with their affiliates. This new program supersedes the prior $900,000,000 ATM and includes approximately $47.5 million of unsold shares from that program.
Sales may occur on the NYSE or through negotiated transactions, with agent and forward selling commissions of up to 2%. NiSource will not initially receive proceeds from any borrowed shares sold by a forward seller; cash would generally be received upon physical settlement of the related forward, while cash or net share settlement could reduce or eliminate proceeds and may require NiSource to deliver cash or shares. The program caps total gross sales at $1,500,000,000 and ends upon reaching that cap, by December 31, 2028, or upon earlier termination. Net proceeds to NiSource are intended for general corporate purposes, including capital expenditures, working capital and debt repayment. NI last traded at $42.13 per share on October 30, 2025.