10-K annual report · filed Feb 25, 2026

Celldex Therapeutics, Inc. (CLDX) FY2025 10-K Annual Report

Short answer

Celldex Therapeutics, Inc. (CLDX) filed its fiscal 2025 10-K annual report with the SEC on Feb 25, 2026. It reported revenue of $2M (−78.0% year over year) and net income of −$259M.

  • Top risk flagged: FDA regulatory delays from recent 43-day government shutdown Oct-Nov 2025 impacting review timelines

FY2025 key financial metrics · XBRL

Revenue
$2M
−78.0% YoY
Net income
−$259M
−63.9% YoY
Operating margin
-18599.8%
−15820.9 pp YoY
EPS (diluted)
−$3.90
−59.2% YoY
ROE
-49.1%
−28.0 pp YoY
Operating cash flow
−$211M
−33.7% YoY

Source: XBRL data from the Celldex Therapeutics, Inc. (CLDX) FY2025 10-K on SEC EDGAR. USD.

Celldex Therapeutics, Inc. FY2025 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Core business model: Development of therapeutic antibodies targeting mast cell biology for severe inflammatory and autoimmune diseases
  • New emphasis on bispecific antibody platform, highlighted by CDX-622 targeting TSLP and SCF with Phase 1 studies initiated in 2024-2026
  • Strategic shift toward building a fully integrated, commercial-stage biopharma company with potential for retaining full economic rights or forming partnerships
  • Phase 3 enrollment completed for Barzolvolimab in Chronic Spontaneous Urticaria; topline data expected Q4 2026
  • Notable sustained efficacy: over 40% of CSU patients maintained complete response at 76 weeks post-dosing with Barzolvolimab

Management Discussion & Analysis

  • R&D expenses $245.1M in 2025 vs $163.6M in 2024 and $118.0M in 2023, driven by barzolvolimab program ($198.3M in 2025)
  • Barzolvolimab program best performing segment with $198.3M R&D spend; CDX-622 at $19.0M; no revenue or profit data provided
  • Management expects topline Phase 3 data for CSU indication in Q4 2026; key risk: lengthy, costly clinical trials, uncertain regulatory approvals, and capital needs

Risk Factors

  • FDA regulatory delays from recent 43-day government shutdown Oct-Nov 2025 impacting review timelines
  • Global supply chain disruptions threatening clinical trial material supplies and contract manufacturing capacity
  • Clinical trial enrollment challenges due to patient recruitment difficulties risking costly delays or trial cancellations
  • Market competition risk from other monoclonal antibody developers with more advanced or approved therapies
  • $52.5M milestone payment under Kolltan merger may require dilutive stock issuance or additional debt funding

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