Cerebras insiders dump stock as shares plunge $18 in a day, no word on lost GPT-6.1 deal

firstadopter · x · 2026-10-02

Cerebras shares fell $18 in a single day, sparking shareholder fury. firstadopter notes the CFO, COO, and chief accounting officer have all been dumping stock, with no company disclosure about reportedly losing the OpenAI GPT-6.1 Ultrafast inference deal. A follow-up calls the COO's same-day selling unprecedented.

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