Alumis Inc. (ALMS) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "ALMS"
      ],
      "issuer_cik": "0001847367",
      "owner_cik": "0001253170",
      "accession_number": "0001231919-26-001158",
      "form_type": "4",
      "filing_date": "2026-09-09",
      "period_of_report": "2026-09-04",
      "issuer_name": "ALUMIS INC.",
      "issuer_trading_symbol": "ALMS",
      "owner_name": "AKKARAJU SRINIVAS",
      "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": "2026-09-08",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 48066,
      "transaction_price_per_share": 10.5484,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 4663735,
      "transaction_value": 507019.39440000005,
      "direct_or_indirect": "I",
      "nature_of_ownership": "By Samsara BioCapital, L.P.",
      "footnotes": [
        {
          "id": "F4",
          "description": "The sales and purchases on September 8, 2026 were matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 48,066 shares in the case of Samsara LP and 48,065 shares in the case of Samsara Opportunity Fund, resulting in short-swing profit liability under Section 16(b). The Reporting Person has agreed to disgorge to the Issuer the short-swing profit realized in connection with these transactions, less transaction costs."
        },
        {
          "id": "F5",
          "description": "The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $10.38 to $10.91, inclusive. The Reporting Person undertake 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 securities sold at each separate price within the range set forth in this footnote."
        },
        {
          "id": "F2",
          "description": "Shares are directly held by Samsara BioCapital LP. (\"Samsara LP\"). The Reporting Person is a managing member of Samsara BioCapital GP, LLC, the general partner of Samsara LP. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."
        }
      ]
    },
    {
      "tickers": [
        "ALMS"
      ],
      "issuer_cik": "0001847367",
      "owner_cik": "0001253170",
      "accession_number": "0001231919-26-001158",
      "form_type": "4",
      "filing_date": "2026-09-09",
      "period_of_report": "2026-09-04",
      "issuer_name": "ALUMIS INC.",
      "issuer_trading_symbol": "ALMS",
      "owner_name": "AKKARAJU SRINIVAS",
      "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": "2026-09-08",
      "transaction_code": "P",
      "equity_swap_involved": false,
      "transaction_shares": 273291,
      "transaction_price_per_share": 10.6271,
      "transaction_acquired_disposed": "A",
      "shares_owned_following_transaction": 4937026,
      "transaction_value": 2904290.7861,
      "direct_or_indirect": "I",
      "nature_of_ownership": "By Samsara BioCapital, L.P.",
      "footnotes": [
        {
          "id": "F4",
          "description": "The sales and purchases on September 8, 2026 were matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 48,066 shares in the case of Samsara LP and 48,065 shares in the case of Samsara Opportunity Fund, resulting in short-swing profit liability under Section 16(b). The Reporting Person has agreed to disgorge to the Issuer the short-swing profit realized in connection with these transactions, less transaction costs."
        },
        {
          "id": "F6",
          "description": "The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $10.26 to $10.835, inclusive. The Reporting Person undertake 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 securities purchased at each separate price within the range set forth in this footnote."
        },
        {
          "id": "F2",
          "description": "Shares are directly held by Samsara BioCapital LP. (\"Samsara LP\"). The Reporting Person is a managing member of Samsara BioCapital GP, LLC, the general partner of Samsara LP. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest 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.