Cerebras Systems Inc. (CBRS) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "CBRS"
      ],
      "issuer_cik": "0002021728",
      "owner_cik": "0002039572",
      "accession_number": "0001628280-26-064042",
      "form_type": "4",
      "filing_date": "2026-09-30",
      "period_of_report": "2026-09-29",
      "issuer_name": "Cerebras Systems Inc.",
      "issuer_trading_symbol": "CBRS",
      "owner_name": "Mallick Dhiraj",
      "is_director": false,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "Chief Operating Officer",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Class A Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-09-29",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 18703,
      "transaction_price_per_share": 195.56,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 68830,
      "transaction_value": 3657558.68,
      "not_subject_to_section_16": false,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F2",
          "description": "The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"
        },
        {
          "id": "F20",
          "description": "The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $195.27 to $195.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."
        }
      ]
    },
    {
      "tickers": [
        "CBRS"
      ],
      "issuer_cik": "0002021728",
      "owner_cik": "0001648800",
      "accession_number": "0001628280-26-064044",
      "form_type": "4",
      "filing_date": "2026-09-30",
      "period_of_report": "2026-09-29",
      "issuer_name": "Cerebras Systems Inc.",
      "issuer_trading_symbol": "CBRS",
      "owner_name": "Komin Robert Patrick Jr.",
      "is_director": false,
      "is_officer": true,
      "is_ten_percent_owner": false,
      "is_other": false,
      "officer_title": "Chief Financial Officer",
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Class A Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-09-29",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 2771,
      "transaction_price_per_share": 211.03,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 27899,
      "transaction_value": 584764.13,
      "not_subject_to_section_16": false,
      "direct_or_indirect": "D",
      "footnotes": [
        {
          "id": "F1",
          "description": "The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026"
        },
        {
          "id": "F3",
          "description": "The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.47 to $211.44, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price."
        }
      ]
    }
  ]
}

// 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.