NiSource EVP & CFO Shawn Anderson Sells $292.5K in Common Stock Under 10b5-1 Plan

Executive Summary

On November 3, 2026, NiSource Inc. ($NI) filed a Form 4 detailing an open-market sale of common stock by Executive Vice President and Chief Financial Officer Shawn Anderson. The transaction took place on October 30, 2026, and involved the sale of 6,500 shares at $45.00 per share, generating gross proceeds of $292,500.00.

Transaction Breakdown

• Insider Role: Executive Vice President & Chief Financial Officer
• Date of Transaction: October 30, 2026
• Security: Common Stock
• Nature of Transaction: Open market sale (Code S)
• Volume: 6,500 shares
• Execution Price: $45.00
• Total Transaction Value: $292,500.00
• Direct Ownership Post-Transaction: 160,080.148 shares
• Indirect Ownership (401(k)): 823.3452 shares

Plan & Governance Context

As disclosed in footnote 1, the disposition was executed pursuant to a pre-arranged Rule 10b5-1 trading plan established on May 14, 2026. Rule 10b5-1 trading plans allow corporate insiders to set up automated, scheduled transactions in advance, mitigating the risk of trading based on material non-public information.

Trading Significance

This transaction carries Low trading significance for the following reasons:

1. Pre-Scheduled Execution: The sale was executed under a Rule 10b5-1 plan adopted months prior.
2. Small Relative Size: The 6,500 shares sold represent roughly 3.9% of Mr. Anderson's direct equity holdings in NiSource.
3. Substantial Retained Stake: Mr. Anderson continues to retain over 160,000 direct shares (valued at over $7.2 million at $45.00/share), maintaining significant alignment with company shareholders.