MongoDB Shares Plunge 21% as Former CEO Joins Meta's AI Division
Key Facts
MongoDB shares plunged 21% to $326.51 during trading on September 28, 2026. The sell-off followed revelations that former CEO Chirantan Desai is joining Meta to lead its new enterprise AI platform, providing a reason for his immediate departure from the company.
MDB was trading at $326.51 on September 28, 2026, down significantly from its close of $410.44 on September 25, 2026. Despite the leadership change and market reaction, the company reaffirmed its financial guidance for the third quarter and full fiscal year 2027 while appointing Dev Ittycheria as interim CEO.
MongoDB is scheduled to host an Investor Day at Nasdaq MarketSite tomorrow, September 29, 2026. The event, running from 11:00 am to 3:15 pm ET, will provide a platform for management to address the company's outlook following these developments.
Latest Updates · 5
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Update: Meta has announced the hiring of Chirantan Desai to lead its new Meta Enterprise Platform initiative. The move clarifies Desai's destination following his immediate resignation from MongoDB.
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Update: Meta has appointed former MongoDB CEO Chirantan 'CJ' Desai to lead its new enterprise AI platform. The move clarifies Desai's professional destination following his immediate departure from MongoDB.
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Update: MongoDB shares declined following reports that departing CEO Chirantan Desai is moving to Meta. This transition to the tech giant has triggered selling pressure on the stock, despite the company's earlier reaffirmation of its financial guidance.
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Update: Reports have revealed that Chirantan Desai resigned from his position to join Meta Platforms as chief enterprise platform officer. This career move clarifies the reason behind his sudden departure from MongoDB announced earlier.
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Update: Meta has hired CJ Desai following his departure from MongoDB, a move that triggered a decline in shares of the data services provider. This transition comes just ahead of the company's Investor Day scheduled for September 29, 2026.