Alliant Energy Corporation (LNT) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "LNT"
      ],
      "issuer_cik": "0000352541",
      "owner_cik": "0001512789",
      "accession_number": "0001512789-26-000003",
      "form_type": "4",
      "filing_date": "2026-08-12",
      "period_of_report": "2026-08-10",
      "issuer_name": "ALLIANT ENERGY CORP",
      "issuer_trading_symbol": "LNT",
      "owner_name": "DURIAN ROBERT J",
      "is_director": false,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "EVP and CFO",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-08-10",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 0.097,
      "transaction_price_per_share": 68.6,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 158145.939,
      "transaction_value": 6.6541999999999994,
      "not_subject_to_section_16": false,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11."
        }
      ]
    }
  ]
}

// trimmed to 1 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.