MongoDB (MDB) Q4-26 earnings: The 25% stock crash, a $100M mega-deal & an executive purge

MongoDB just printed historic profitability and a massive $100 million deal in its Q4 2026 earnings, so why did the market immediately vaporize a quarter of its valuation? In ~10 minutes:• The historic >$100M on-premise transaction masking actual Atlas cloud growth• Why the sudden exit of two top global revenue executives spooked investors• Management's blunt admission that AI isn't driving enterprise scaling just yet• A radical pledge to use 100% of FY27 free cash flow to combat stock dilution Despite finally hitting "Rule of 40" metrics and generating $176 million in free cash flow, MongoDB is in the middle of a painful go-to-market reboot. Wall Street punished the transition away from direct sales, but the company's aggressive capital discipline and shift to hyperscaler partners might quietly be building a solid long-term floor. MongoDB (MDB) | Q4 FY2026AI-assisted production. Feedback/ticker requests: https://x.com/EarnUnscripted.