A Form 4 filed with the SEC on August 18, 2026, disclosed that Melody Birmingham, Executive Vice President and Group President, Utilities at NiSource Inc. (NYSE:NI), sold 37,509.173 shares of NiSource common stock on August 14, 2026.

Key Highlights

  • Reporting person: Melody Birmingham, EVP and Group President, Utilities at NiSource Inc.
  • Shares sold: 37,509.173 shares of common stock disposed of (transaction code S) on August 14, 2026.
  • Weighted average price: $42.4 per share, with individual transactions ranging from $42.39 to $42.42, inclusive.
  • Remaining ownership: 78,527.151 shares of common stock held directly following the reported transaction.
  • Filing date: August 18, 2026, signed by Ashley Bancroft as Attorney-in-Fact.

NiSource Utility Executive Files Share Sale Disclosure

According to the Form 4 filing, Melody Birmingham, who serves as EVP and Group President, Utilities at NiSource Inc., disposed of 37,509.173 shares of NiSource common stock on August 14, 2026. The transaction was recorded under transaction code S, indicating a sale. The shares were sold directly, with Birmingham retaining direct ownership of 78,527.151 shares following the transaction.

The filing disclosed that the $42.4 price reported is a weighted average. The shares were sold across multiple transactions at prices ranging from $42.39 to $42.42, inclusive. As noted in the filing's footnote, Birmingham "undertakes to provide to NiSource Inc., any security holder of NiSource Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."

No derivative securities transactions were reported in Table II of the filing. The Form 4 was filed by one reporting person and was signed by Ashley Bancroft as Attorney-in-Fact on August 18, 2026. No Rule 10b5-1 plan box was checked in the filing.

What Was Disclosed

The filing reported a direct sale of 37,509.173 NiSource common shares by EVP Melody Birmingham at a weighted average price of $42.4, executed on August 14, 2026, leaving her with 78,527.151 shares held directly.