CleanSpark, Inc. (CLSK) experienced a 5.59% decline in after-hours trading following the release of its second fiscal quarter 2026 financial results, which revealed significant losses and a revenue shortfall.
The company reported a net loss of $378.3 million, or $1.52 per basic share, for the quarter ended March 31, 2026. This represents a substantial widening from a net loss of $138.8 million, or $0.49 per share, in the same period last year. The reported loss per share missed analyst consensus estimates of a $0.50 loss by 204 percent.
Furthermore, quarterly revenue fell 24.9% year-over-year to $136.4 million, missing analyst expectations of $145.4 million by 6.15 percent. The company's adjusted EBITDA also deteriorated significantly to a loss of $241.2 million, compared to a loss of $57.8 million a year ago. The disappointing financial metrics, highlighting weaker performance in its bitcoin mining operations, prompted the sell-off in extended trading.
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