First Tracks Biotherapeutics, Inc. (TRAX) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "TRAX"
      ],
      "issuer_cik": "0002091349",
      "owner_cik": "0001715429",
      "accession_number": "0001715429-26-000007",
      "form_type": "4",
      "filing_date": "2026-09-04",
      "period_of_report": "2026-09-02",
      "issuer_name": "First Tracks Biotherapeutics, Inc.",
      "issuer_trading_symbol": "TRAX",
      "owner_name": "Ware J. Anthony",
      "is_director": true,
      "is_officer": false,
      "is_ten_percent_owner": false,
      "is_other": false,
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-09-02",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 39265,
      "transaction_price_per_share": 44.7764,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 15660,
      "transaction_value": 1758145.3460000001,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.62 to $45.28 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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": [
        "TRAX"
      ],
      "issuer_cik": "0002091349",
      "owner_cik": "0001587114",
      "accession_number": "0000935836-26-000208",
      "form_type": "4",
      "filing_date": "2026-04-22",
      "period_of_report": "2026-04-20",
      "issuer_name": "First Tracks Biotherapeutics, Inc.",
      "issuer_trading_symbol": "TRAX",
      "owner_name": "EcoR1 Capital, LLC",
      "is_director": false,
      "is_officer": false,
      "is_ten_percent_owner": true,
      "is_other": false,
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-04-20",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 4705575,
      "transaction_price_per_share": 13.8134,
      "transaction_acquired_disposed": "A",
      "shares_owned_following_transaction": 3174519,
      "transaction_value": 64999989.705,
      "not_subject_to_section_16": true,
      "direct_or_indirect": "I",
      "nature_of_ownership": "See Note",
      "footnotes": [
        {
          "id": "F2",
          "description": "The Funds sold these share in a private placement described in the Form 8K filed by the Issuer on April 20, 2026."
        },
        {
          "id": "F3",
          "description": "Qualified Fund sold 4,420,064 of the securities in this transaction."
        },
        {
          "id": "F4",
          "description": "After this transaction, Qualified Fund holds 2,981,908 shares of the Issuer's Common Stock."
        },
        {
          "id": "F1",
          "description": "The reporting persons are EcoR1 Capital, LLC (\"EcoR1\"), Oleg Nodelman and EcoR1 Capital Fund Qualified L.P. (\"Qualified Fund\"). EcoR1 is the investment adviser and general partner of private funds, including Qualified Fund (collectively, the \"Funds\"). Mr. Nodelman is the manager and controlling owner of EcoR1. EcoR1 is filing this Form 4 for itself, Mr. Nodelman and Qualified Fund. The filers are filing this Form 4 jointly, but not as a group, and each expressly disclaims membership in a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934. The Funds hold these securities directly for the benefit of their investors. EcoR1 may be deemed to indirectly beneficially own them as the investment adviser to the Funds. Mr. Nodelman may be deemed to indirectly beneficially own them as the control person of EcoR1. The filers disclaim beneficial ownership of such securities except to the extent of their pecuniary interests therein."
        }
      ]
    }
  ]
}

// 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.