C3 AI stock falls 30% as CEO Siebel calls preliminary sales numbers 'completely unacceptable'
1. C3 AI shares dropped 30% after financial results announcement. 2. Projected revenue for Q1 2026: $70.2-70.4 million, lower than last year. 3. CEO Thomas Siebel cites personal health and restructuring as performance factors. 4. Wider operational loss expected: $124.7-124.9 million compared to last year's loss. 5. Siebel's health has improved, and a search for a new CEO is ongoing.