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. Director and President & CEO Lloyd M. Yates sold 19,905 shares of common stock in an open-market transaction at a weighted average price of $47.73 per share. After this sale, he directly owns 519,556.732 shares. The sale was executed in multiple trades between $47.73 and $47.745 per share. His reported holdings include restricted stock units from prior director awards and shares acquired through the company’s Employee Stock Purchase Plan.
NiSource Inc. executive Melody Birmingham reported open-market sales of company stock. She sold 10,000 shares of Common Stock on May 14, 2026 at $47.185 per share and 2,500 shares on May 20, 2026 at $47.430 per share, totaling 12,500 shares. After these sales, she directly holds 116,036.324 shares, which include shares acquired through dividend reinvestments. The filing notes that it was submitted late due to an administrative error.
NI submitted a Form 144 notice indicating proposed sales of Common Stock by an owner using Fidelity Brokerage Services LLC. The filing lists a Restricted Stock Vesting event of 19,834 shares dated 02/27/2026 and an ESPP purchase of 71 shares dated 03/31/2026. The broker is shown as Fidelity Brokerage Services LLC and the filing is associated with the NYSE with a filing date noted as 05/21/2026.
NI submitted a Form 144 notice relating to proposed sales of Common Stock. The filing lists 2,500 shares through Fidelity Brokerage Services LLC with proceeds $118,575.25 (trade date 05/20/2026). It also records shares from restricted stock vesting: 1,863 shares (02/27/2026) and dividend reinvestment: 637 shares (05/19/2026). The filing shows a sale in the past three months: Melody Birmingham sold 10,000 shares on 05/14/2026 for $471,850.00.
NiSource Inc. completed a debt financing by issuing $500,000,000 of 4.750% Notes due 2031 and $750,000,000 of 5.300% Notes due 2036 under an existing shelf registration. The sale was conducted through a terms agreement with several lead underwriters and closed on May 18, 2026.
The company plans to use the net proceeds for general corporate purposes, including financing capital expenditures, providing working capital and repaying existing indebtedness. The notes were issued under an existing indenture with The Bank of New York Mellon as trustee.
Lee Cassandra S. reported acquisition or exercise transactions in this Form 4 filing.
NISOURCE INC. director Cassandra S. Lee received an award of 3,807 shares of common stock in the form of restricted stock units at $47.03 per share as part of her annual non-employee director compensation. These RSUs vest in full on the first anniversary of the grant date, subject to certain acceleration conditions, and each unit represents a contingent right to receive one share of common stock under the company’s 2020 Omnibus Plan. The reported amount includes additional RSUs credited under dividend equivalent provisions that follow the same vesting schedule. Following this grant, Lee directly holds 28,974.049 shares, including RSUs.
McAvoy John reported acquisition or exercise transactions in this Form 4 filing.
NiSource Inc. director John McAvoy received an equity award of 3,807 restricted stock units as part of his annual non-employee director compensation. The units are referenced at a price of $47.03 per share and will vest in full on the first anniversary of the grant date, subject to certain acceleration conditions.
Each RSU represents a contingent right to receive one share of NiSource common stock upon vesting under the company’s 2020 Omnibus Plan. The reported amount also includes additional RSUs credited through dividend equivalent provisions, which follow the same vesting schedule. After this grant, McAvoy’s direct holdings total 15,777.114 shares, including these RSUs.
KABAT KEVIN T reported acquisition or exercise transactions in this Form 4 filing.
NISOURCE INC. director Kevin T. Kabat received an equity grant as part of his annual board compensation. He was awarded 3,807 restricted stock units of common stock at a reference value of $47.03 per share. Following this grant, his directly held and RSU-based position totals 66,455.698 shares, including RSUs credited for dividend equivalents that vest on the same schedule.