C3.ai reports Q4 losses of $121.2M as revenue drops 53% year over year

C3.ai, the enterprise AI software company trading under the ticker AI on the NYSE, just posted preliminary fourth-quarter results that paint a complicated picture. Revenue came in at $51.6 million for Q4 of fiscal year 2026, ending April 30. That’s within the company’s own guidance range of $48-52 million, which sounds fine until you realize the same quarter last year brought in $108.7 million.

That’s a 53% decline year over year.

The numbers tell a brutal story

The GAAP loss from operations hit $121.2 million in the quarter. Gross profit landed at just $11.3 million. The net loss reached $115.6 million.

On the non-GAAP side, the operating loss was $54.4 million. That was actually better than the company’s guided range of $56-64 million, but only after stripping out roughly $10.8 million in restructuring charges.

For the full fiscal year 2026, total revenue reached $250.3 million, landing within the guidance range of $246.7-250.7 million. The company has now guided Q1 fiscal 2027 revenue of $50-54 million, with yet another operating loss expected on top of it.

C3.ai reported approximately $575 million in cash, cash equivalents, and investments as of quarter’s end.

Leadership musical chairs and a restructuring push

Founder Thomas Siebel has returned to his role as CEO. Stephen Ehikian continues serving as President.

The restructuring charges of approximately $10.8 million in the quarter suggest that cost-cutting is underway. Investors should watch for whether future quarters show improving gross margins and declining non-GAAP losses, because those would be the earliest signals that operational changes are actually working.

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