{
  "schema_version": "1.0.0",
  "ticker": "MYE",
  "company_name": "Mastermyne Group Limited",
  "cutoff_date": "2026-10-09",
  "reviewed_at": "2026-10-09",
  "coverage_note": "The register is the latest located top-20 ordinary-share list, dated 2025-08-18; it is a list of registered accounts. The report provides 308,648,210 issued shares and identifies M Mining Services as a 54.00% substantial holder.",
  "register": {
    "as_of_date": "2025-08-18",
    "issued_shares": 308648210,
    "source_ids": [
      "mye-annual-2025"
    ],
    "holders": [
      {
        "holder_id": "mye-register-01",
        "name": "M Mining Services Pty Ltd <M Mining Services A/C>",
        "classification": "direct_holder",
        "shares": 166666667,
        "percentage": 54.0,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-02",
        "name": "Millten Pty Ltd",
        "classification": "direct_holder",
        "shares": 21073270,
        "percentage": 6.83,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-03",
        "name": "Watty Pty Ltd <Watty Super Fund A/C>",
        "classification": "direct_holder",
        "shares": 12156919,
        "percentage": 3.94,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-04",
        "name": "Mr Kenneth Rudy Kamon",
        "classification": "direct_holder",
        "shares": 10864436,
        "percentage": 3.52,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-05",
        "name": "Darren William Hamblin <Hamblin Family A/C>",
        "classification": "direct_holder",
        "shares": 7631898,
        "percentage": 2.47,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-06",
        "name": "Karingal Corporation Pty Ltd <Hudson Avenue Superfund A/C>",
        "classification": "direct_holder",
        "shares": 5210000,
        "percentage": 1.69,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-07",
        "name": "Mr Paul Christopher Walker <York Court A/C>",
        "classification": "direct_holder",
        "shares": 3865000,
        "percentage": 1.25,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-08",
        "name": "Wavet Fund No 2 Pty Ltd <Wavet Super Fund No 2 A/C>",
        "classification": "direct_holder",
        "shares": 3790930,
        "percentage": 1.23,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-09",
        "name": "HSBC Custody Nominees (Australia) Limited",
        "classification": "nominee_custodian",
        "shares": 3661262,
        "percentage": 1.19,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-10",
        "name": "CPU Share Plans Pty Ltd <MYE EST Unallocated A/C>",
        "classification": "direct_holder",
        "shares": 2993333,
        "percentage": 0.97,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-11",
        "name": "May Downs Pty Ltd <Hamblin Super Fund>",
        "classification": "direct_holder",
        "shares": 2000000,
        "percentage": 0.65,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-12",
        "name": "Carm NQ Pty Ltd <The Carnhogan Family A/C>",
        "classification": "direct_holder",
        "shares": 1816000,
        "percentage": 0.59,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-13",
        "name": "Gilmour Superannuation Pty Ltd <Gilmour Super Fund A/C>",
        "classification": "direct_holder",
        "shares": 1500110,
        "percentage": 0.49,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-14",
        "name": "Mr Elyas Wahedi",
        "classification": "direct_holder",
        "shares": 1500000,
        "percentage": 0.49,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-15",
        "name": "Mrs Anna Lee Romcke + Miss Tess Maree Romcke <J & A Romcke Family A/C>",
        "classification": "direct_holder",
        "shares": 1379829,
        "percentage": 0.45,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-16",
        "name": "Horrie Pty Ltd <Horrie Superannuation A/C>",
        "classification": "direct_holder",
        "shares": 1379579,
        "percentage": 0.45,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-17",
        "name": "Ms Corinne Chesworth",
        "classification": "direct_holder",
        "shares": 1200000,
        "percentage": 0.39,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-18",
        "name": "Mr Brett James Westbury",
        "classification": "direct_holder",
        "shares": 1113657,
        "percentage": 0.36,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-19",
        "name": "BNP Paribas Nominees Pty Ltd <IB Au Noms Retailclient>",
        "classification": "nominee_custodian",
        "shares": 1108888,
        "percentage": 0.36,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      },
      {
        "holder_id": "mye-register-20",
        "name": "Mr Alan James Lawrence + Ms Janine Evelyn Lawrence",
        "classification": "direct_holder",
        "shares": 1105133,
        "percentage": 0.36,
        "percentage_basis": "issued_shares",
        "as_of_date": "2025-08-18",
        "investor_id": null,
        "identity_note": null,
        "source_ids": [
          "mye-annual-2025"
        ],
        "notes": []
      }
    ]
  },
  "substantial_holders": [
    {
      "holder_id": "mye-substantial-1",
      "name": "M Mining Services Pty Ltd",
      "classification": "reporting_group",
      "shares": 166666667,
      "percentage": 54.0,
      "percentage_basis": "voting_power",
      "as_of_date": "2025-08-18",
      "investor_id": null,
      "identity_note": null,
      "source_ids": [
        "mye-annual-2025"
      ],
      "notes": [
        "Issuer annual report gives its substantial-holder total."
      ]
    }
  ],
  "sources": [
    {
      "source_id": "mye-annual-2025",
      "title": "FY2025 Annual Report",
      "publisher": "Mastermyne Group Limited / ASX",
      "url": "https://asx.api.markitdigital.com/asx-research/1.0/file/2924-02984234-2A1616669",
      "publication_date": "2025-08-27",
      "accessed_date": "2026-10-09",
      "locator": "downloads/MYE/2025/2025-08-27_FY2025 Annual Report.pdf; PDF page 112 (printed page 110), Twenty Largest Security Holders and Substantial Holders",
      "detail": "Lists top 20 registered ordinary-share accounts and M Mining Services substantial holding as at 18 August 2025."
    }
  ],
  "limitations": [
    "The register is dated 18 August 2025; no newer register was located in the available cache. Nominees and custody accounts do not identify beneficial owners."
  ]
}