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Celldex Therapeutics (CLDX) Q4 2025 earnings results (fourth quarter 2025)

10-K filed Feb 25, 2026

Celldex Therapeutics (CLDX) reported revenue of $121K for the fourth quarter 2025 (Q4 2025), -90% from a year earlier.

Revenue$121K
Year over year-90%
Quarter over quarter—
Operating margin—
Net earnings−$81.3M

Celldex Therapeutics, Q4 2025: revenue $121K (-90% year over year), net loss $81.3M, operating cash flow −$63.9M. The chart follows the revenue to costs, profit and cash.

Q4 2025AmountQ/QY/Y
Revenue$121K—-90%
Operating profit−$87.2M——
Net earnings−$81.3M——
Operating cash flow−$63.9M——

What changed

Revenue was $121K in Q4 2025, down 90% year over year. Contracts and grants was the largest line at 67% of revenue.

Operating costs exceeded revenue by $87.2M, an operating margin of -72027.3%. Total costs grew 53% against a revenue fall of 90%. The fastest-growing cost line was Research & development (+60%). The quarter ended with a net loss of $81.3M.

Operating cash flow was −$63.9M. Non-cash charges added back $816K of depreciation and amortization and $8.9M of share-based compensation. Working capital and other items added $7.7M. Capital expenditures of $1.3M exceeded it, leaving free cash flow of −$65.2M.

Questions

What was Celldex Therapeutics' revenue in the fourth quarter 2025?

Celldex Therapeutics (CLDX) reported revenue of $121K for the fourth quarter 2025 (Q4 2025), -90% from a year earlier.

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Source: Celldex Therapeutics 10-K on SEC EDGAR.