NISOURCE INC. 8-K

What Happened

• NiSource Inc. (NI) filed a Form 8-K on February 11, 2026 (Item 2.02) announcing its financial results for the year ended December 31, 2025. The company’s press release dated February 11, 2026 is attached as Exhibit 99.1 to the filing. The report was signed by Gunnar J. Gode, Senior Vice President, Chief Accounting and Tax Officer (Principal Accounting Officer).

Key Details

• Filing date: February 11, 2026 (Form 8-K).
• Period covered: Fiscal year ended December 31, 2025.
• Disclosure item: 2.02 — Results of Operations and Financial Condition; press release attached as Exhibit 99.1.
• Technical exhibits: Inline XBRL instance and linkbase exhibits were included with the filing.

Why It Matters

• This 8-K provides NiSource’s official, company-released financial results for 2025. Investors should review the attached press release and the company’s accompanying financial statements/XBRL disclosures for the specific revenue, earnings, cash flow, guidance, or other metrics that can affect valuation and near-term trading decisions.