Graham Corporation (GHM) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "GHM"
      ],
      "issuer_cik": "0000716314",
      "owner_cik": "0001809712",
      "accession_number": "0000891839-26-000409",
      "form_type": "4/A",
      "filing_date": "2026-09-21",
      "period_of_report": "2025-09-12",
      "issuer_name": "GRAHAM CORP",
      "issuer_trading_symbol": "GHM",
      "owner_name": "Gregorio Mauro",
      "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": "2025-09-12",
      "transaction_code": "P",
      "equity_swap_involved": false,
      "transaction_shares": 1200,
      "transaction_price_per_share": 49.01,
      "transaction_acquired_disposed": "A",
      "shares_owned_following_transaction": 1200,
      "transaction_value": 58812,
      "date_of_original_submission": "2025-09-15",
      "direct_or_indirect": "I",
      "nature_of_ownership": "By Family Trust",
      "footnotes": [
        {
          "id": "F1",
          "description": "This Form 4 amendment is being filed to correct the nature of ownership that was inadvertently reported as being directly owned in the prior Form 4. The reporting person and his spouse are co-trustees of the trust."
        }
      ]
    }
  ]
}

// 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.