--- format: "aidr-story-markdown/v1" id: "bed9657584fe746307be7b9b0f7ce66ae479581da8aba90954782112663129d1" canonical_url: "https://aidr.today/bed96575?lang=en" title: "Cerebras COO Sells Entire $78M Stake in Company" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-09-30T18:08:45.000Z" category: "Funding" topics: ["openai","funding"] source_urls: ["https://marketbrief.now/business/cerebras-coo-sells-entire-78m-stake-in-company-35c1a937","https://huggingnews.com/business/cerebras-coo-sells-entire-78m-stake-in-company-35c1a937"] summary: "A series of stock transactions executed on September 29 left Cerebras chief operating officer Dhiraj Mallick with no remaining equity in the company. Mallick sold shares totaling $78 million, a complete divestment that removes his financial stake in the AI hardware manufacturer. The exit occurred shortly after OpenAI's DevDay, where the company announced a new model called GPT6 ultrafast. SemiAnalysis reported that the latest model does not utilize Cerebras Wafer Scale Engines, coinciding with the COO's decision to liquidate his entire position." --- # Cerebras COO Sells Entire $78M Stake in Company > [Open the canonical story]() **Published:** 2026-09-30T18:08:45.000Z **Category:** Funding **Topics:** openai, funding ## Summary A series of stock transactions executed on September 29 left Cerebras chief operating officer Dhiraj Mallick with no remaining equity in the company\. Mallick sold shares totaling $78 million, a complete divestment that removes his financial stake in the AI hardware manufacturer\. The exit occurred shortly after OpenAI's DevDay, where the company announced a new model called GPT6 ultrafast\. SemiAnalysis reported that the latest model does not utilize Cerebras Wafer Scale Engines, coinciding with the COO's decision to liquidate his entire position\. ## Sources - [Story source]() - [Story source]()