Karyopharm Therapeutics Inc (NASDAQ:KPTI) Reports Q4 Revenue Miss and Wider Loss, Stock Falls in Pre-Market

By Mill Chart - Last update: Feb 12, 2026

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KARYOPHARM THERAPEUTICS INC (NASDAQ:KPTI) reported its fourth quarter and full-year 2025 financial results, delivering a mixed performance that has elicited a negative initial reaction from investors in pre-market trading.

Earnings and Revenue Versus Estimates

The company's quarterly results fell short of analyst expectations on the top line, while its bottom-line loss was slightly wider than anticipated.

  • Revenue: Reported Q4 revenue was $34.08 million, missing the consensus estimate of $36.17 million.
  • Earnings Per Share (EPS): The non-GAAP net loss per share was $2.23, compared to an estimated loss of $2.14 per share.

The revenue miss, though not drastic, appears to be the primary driver behind the early market reaction. In pre-market activity, Karyopharm's stock is down approximately 5.2%, indicating investor disappointment with the quarterly sales performance. This negative sentiment contrasts with the stock's relatively flat performance over the past week and month, suggesting the earnings release served as a specific catalyst.

Key Highlights from the Quarterly Report

Beyond the financial figures, the company's press release emphasized progress in its late-stage clinical pipeline, which remains central to its long-term investment thesis. Management highlighted that two pivotal Phase 3 trials are advancing on schedule.

  • The SENTRY trial in myelofibrosis is on track to report top-line data in March 2026.
  • The XPORT-EC-042 trial in endometrial cancer is expected to deliver top-line results in mid-2026.

These upcoming catalysts represent significant potential value inflection points for the company, as positive data could substantially expand the market for its lead drug, selinexor (XPOVIO), beyond its current indications in multiple myeloma.

Forward-Looking Estimates and Context

While the press release did not provide specific financial guidance for the coming year, analyst estimates for Karyopharm project continued losses alongside expected sales growth. For the full year 2026, analysts forecast a net loss per share of $6.81 on sales of approximately $149.84 million. For the immediate next quarter (Q1 2026), the consensus estimates a loss of $1.99 per share on revenue of $35.29 million.

The market's focus is now likely to split between the company's ability to meet or grow its commercial sales in the near term and the critical clinical trial readouts on the horizon. The pre-market sell-off reflects a punitive response to the Q4 revenue shortfall, but the stock's trajectory in the coming quarters will be heavily influenced by the clinical progress updates management underscored.

For a detailed breakdown of historical earnings, future estimates, and analyst projections, you can review the data here: KPTI Earnings & Estimates.

Disclaimer: This article is for informational purposes only and does not constitute financial advice, a recommendation to buy or sell any security, or an endorsement of any investment strategy. Investors should conduct their own research and consult with a qualified financial advisor before making any investment decisions.

KARYOPHARM THERAPEUTICS INC

NASDAQ:KPTI (2/11/2026, 8:00:02 PM)

Premarket: 6.95 -0.42 (-5.7%)

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