Metallus Inc. (MTUS) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "MTUS",
        "TMST"
      ],
      "issuer_cik": "0001598428",
      "owner_cik": "0001554176",
      "accession_number": "0001193125-26-414692",
      "form_type": "4",
      "filing_date": "2026-10-05",
      "period_of_report": "2026-10-05",
      "issuer_name": "Metallus Inc.",
      "issuer_trading_symbol": "MTUS",
      "owner_name": "Williams Michael S",
      "is_director": true,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "Chief Executive Officer",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Shares",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-10-05",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 12430,
      "transaction_price_per_share": 20.2933,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 709858,
      "transaction_value": 252245.71899999998,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "Price reported is the weighted average sale price for shares sold by the reporting owner on October 5, 2026. Shares were sold at a variety of prices ranging from $20.2050 to $20.4800."
        }
      ],
      "remarks": "The reporting person adopted a written plan for the sale of the Company's common shares intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) on May 18, 2026. All transactions reported herein were made pursuant to that plan."
    },
    {
      "tickers": [
        "MTUS",
        "TMST"
      ],
      "issuer_cik": "0001598428",
      "owner_cik": "0001232579",
      "accession_number": "0001193125-26-414691",
      "form_type": "4",
      "filing_date": "2026-10-05",
      "period_of_report": "2026-10-05",
      "issuer_name": "Metallus Inc.",
      "issuer_trading_symbol": "MTUS",
      "owner_name": "SYRVALIN KRISTINE C",
      "is_director": false,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "EVP General Counsel",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Shares",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-10-05",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 5000,
      "transaction_price_per_share": 21.12,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 101078,
      "transaction_value": 105600,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "Price reported is the weighted average sale price for shares sold by the reporting owner on October 5, 2026. Shares were sold at a variety of prices ranging from $21.00 to $21.34."
        }
      ],
      "remarks": "The reporting person adopted a written plan for the sale of the Company's common shares intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) on May 19, 2026. All transactions reported herein were made pursuant to that plan."
    }
  ]
}

// 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.