BERKSHIRE HATHAWAY (BRK.B) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "BRK.A",
        "BRK.B"
      ],
      "issuer_cik": "0001067983",
      "owner_cik": "0001728451",
      "accession_number": "0001728451-26-000004",
      "form_type": "4",
      "filing_date": "2026-09-29",
      "period_of_report": "2026-09-28",
      "issuer_name": "BERKSHIRE HATHAWAY INC",
      "issuer_trading_symbol": "BRK.A",
      "owner_name": "Jain Ajit",
      "is_director": true,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "Vice Chairman",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Class B Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-09-28",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 39700,
      "transaction_price_per_share": 503.0926,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 67608,
      "transaction_value": 19972776.22,
      "not_subject_to_section_16": false,
      "direct_or_indirect": "I",
      "nature_of_ownership": "By Jain Foundation Inc. (Non-Profit Corporation)",
      "footnotes": [
        {
          "id": "F1",
          "description": "On September 28th, the non-profit corporation Jain Foundation, Inc. sold 39,700 shares of Class B Common Stock at an average price of $503.092592.  Upon request by Berkshire Hathaway Inc., any security holder thereof, or the staff of the Securities and Exchange Commission, the Reporting Person can provide full information regarding the specific pricing of individual sales."
        }
      ]
    },
    {
      "tickers": [
        "BRK.A",
        "BRK.B"
      ],
      "issuer_cik": "0001067983",
      "owner_cik": "0001713777",
      "accession_number": "0001193125-26-349574",
      "form_type": "4",
      "filing_date": "2026-08-13",
      "period_of_report": "2026-08-12",
      "issuer_name": "BERKSHIRE HATHAWAY INC",
      "issuer_trading_symbol": "BRK.B",
      "owner_name": "O'Sullivan Michael J.",
      "is_director": false,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "See Remarks",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Class B Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": false,
      "transaction_date": "2026-08-12",
      "transaction_code": "P",
      "equity_swap_involved": false,
      "transaction_shares": 45,
      "transaction_price_per_share": 510.64,
      "transaction_acquired_disposed": "A",
      "shares_owned_following_transaction": 708,
      "transaction_value": 22978.8,
      "direct_or_indirect": "I",
      "nature_of_ownership": "By Trust",
      "footnotes": [
        {
          "id": "F1",
          "description": "The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $510.58 to $510.68 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 purchased at each separate price within the range set forth in this footnote."
        },
        {
          "id": "F4",
          "description": "Shares held by a living trust of which the reporting person is trustee."
        }
      ],
      "remarks": "Senior Vice President, General Counsel and Secretary"
    }
  ]
}

// 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.