Cerebras Systems Officer Robert Komin Files Form 144 for Proposed $6.39M Share Sale

Executive Summary

On September 29, 2026, Robert Patrick Komin Jr., an Officer of Cerebras Systems Inc., filed a Form 144 notice disclosing an intention to sell 32,500 shares of Common Stock through Morgan Stanley Smith Barney LLC. The aggregate market value of the proposed transaction is $6,394,050.00, representing an implied price of approximately $196.74 per share.

Transaction & Acquisition Context

• Securities to be Sold: 32,500 Common shares.
• Origin of Shares: Originally acquired directly from the Issuer on August 27, 2024, through the cash exercise of stock options.
• Trading Plan: The proposed sale is executed pursuant to a Rule 10b5-1 trading plan adopted on June 30, 2026.
• Past Sales: The filing indicates no other reportable sales of securities by the reporting person within the past three months.

Market Impact & Significance

• Significance Level: Medium.
• Ownership Impact: Cerebras Systems reported 112,247,109 shares outstanding, meaning this transaction constitutes approximately 0.029% of the outstanding share base, posing negligible dilution or liquidity risk.
• Signaling: Because the transaction is planned under a pre-established Rule 10b5-1 trading arrangement and stems from previously exercised option compensation, it is consistent with standard executive liquidity and diversification planning rather than a discretionary market-timing signal.