MongoDB Inc. (MDB.US) surged more than 9% in pre-market trading. After opening, the stock pared gains but remained up over 2.5% at $369.3 at the time of writing. The company announced a significant leadership transition, with former ServiceNow (NOW.US) executive CJ Desai set to replace Dev Ittycheria as President and CEO. Additionally, MongoDB raised its Q3 fiscal 2026 performance guidance, projecting revenue and earnings above prior expectations.