NiSource Inc. (NI) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "NI"
      ],
      "issuer_cik": "0001111711",
      "owner_cik": "0001738248",
      "accession_number": "0001111711-26-000089",
      "form_type": "4",
      "filing_date": "2026-08-18",
      "period_of_report": "2026-08-14",
      "issuer_name": "NISOURCE INC.",
      "issuer_trading_symbol": "NI",
      "owner_name": "BIRMINGHAM MELODY",
      "is_officer": true,
      "officer_title": "EVP & Grp President, Utilities",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-08-14",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 37509.173,
      "transaction_price_per_share": 42.4,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 78527.151,
      "transaction_value": 1590388.9352,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.39 to $42.42, inclusive. The reporting person 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."
        }
      ]
    },
    {
      "tickers": [
        "NI"
      ],
      "issuer_cik": "0001111711",
      "owner_cik": "0001933743",
      "accession_number": "0001111711-26-000074",
      "form_type": "4",
      "filing_date": "2026-05-27",
      "period_of_report": "2026-05-22",
      "issuer_name": "NISOURCE INC.",
      "issuer_trading_symbol": "NI",
      "owner_name": "Berman Melanie B.",
      "is_officer": true,
      "officer_title": "EVP Administration & CHRO",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-05-22",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 15000,
      "transaction_price_per_share": 47.68,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 35989.9347,
      "transaction_value": 715200,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.670 to $47.713, inclusive. The reporting person 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."
        }
      ]
    }
  ]
}

// trimmed to 2 results

The response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.