Celldex Therapeutics

CLDXNASDAQUSD

THESIS ALERT

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$30.15
−$0.50 (−1.63%)Today 1M +2.54%
After hours$29.50−2.16%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$30.65
Prior regular-session close from the quote source.
$30.14–$31.10
Regular-session low and high so far today.
589.1K
Regular-session shares traded · Nov 11, 4:00 PM ET.
Feb 24 projected
Projected for 2027-02-24 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
$22.33–$45.14
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own CLDX if Celldex is a concentrated clinical-stage bet that barzolvolimab’s KIT-driven mast-cell depletion becomes a durable, multi-indication inflammatory-disease franchise before the company’s cash burn forces unattractive financing or partnership terms.

CLDX price history

Latest price$30.15Today−$0.50 (-1.63%)
CLDX +2.10%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

4 MATERIAL PROPOSITIONS
  • Barzolvolimab’s KIT-targeted mast-cell mechanism must reproduce its Phase 2 CSU efficacy and tolerability in registrational trials, because CSU is the lead proof point for the entire Celldex value creation path.StrengtheningMateriality: High

    Item 1 Business and MD&A state that the Phase 2 CSU study achieved its primary efficacy endpoint and was well tolerated. If CSU succeeds, Celldex gains the anchor indication needed for approval, partnering leverage and commercial build-out; if it fails, most of the platform narrative is impaired.

    Watch: The Q4 2026 Phase 3 CSU readout misses its primary endpoint versus placebo.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 Business and MD&A state that the Phase 2 CSU study achieved its primary efficacy endpoint and was well.

    Open source ↗
  • Barzolvolimab must prove that mast-cell depletion is not a one-indication phenomenon by translating CIndU, PN and AD signals into additional clinically meaningful readouts.StrengtheningMateriality: High

    Item 1 Business and MD&A state that the Phase 2 CIndU study in ColdU and symptomatic dermographism achieved its primary efficacy endpoint, met all secondary endpoints, and was well tolerated. Multi-indication success would support a franchise valuation; failure outside CSU would leave Celldex much more dependent on a single launch and narrow the strategic-buyer or partner universe.

    Watch: Summer 2026 PN topline data fail to show a clinically meaningful itch or lesion benefit.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 Business and MD&A state that the Phase 2 CIndU study in ColdU and symptomatic dermographism achieved its primary.

    Open source ↗
  • CDX-622 and the bispecific antibody platform must show that Celldex can create follow-on inflammatory-disease assets beyond barzolvolimab rather than remain economically dependent on one antibody.HoldingMateriality: Medium

    Item 1 Business and MD&A describe CDX-622 as targeting two complementary inflammatory pathways: TSLP neutralization and mast-cell depletion via SCF starvation. A credible second program would reduce single-asset risk and extend Celldex’s strategic value; failure would make the investment case almost entirely barzolvolimab-dependent.

    Watch: The Q3 2026 multiple-ascending-dose or subcutaneous CDX-622 data fail to show acceptable safety, pharmacodynamics or dosing feasibility.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 Business and MD&A describe CDX-622 as targeting two complementary inflammatory pathways: TSLP neutralization and mast-cell depletion via SCF.

    Open source ↗
  • Celldex must maintain enough balance-sheet flexibility to carry pivotal readouts and negotiate from strength, because management’s stated strategy depends on retaining full economics or securing favorable partnership terms.HoldingMateriality: Medium

    MD&A states that Celldex believes its assets give it strategic options to retain full economic rights or seek favorable commercial partnerships. Adequate funding preserves upside for shareholders; weak funding could force dilution or a partnership that transfers too much of barzolvolimab’s economics before the asset is de-risked.

    Watch: Celldex raises equity at a large discount before CSU Phase 3 data, signaling weak negotiating leverage.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    MD&A states that Celldex believes its assets give it strategic options to retain full economic rights or seek favorable commercial.

    Open source ↗
Full investment case & evidence

Loading the original research archive…

Original research

Barzolvolimab’s KIT-targeted mast-cell mechanism must reproduce its Phase 2 CSU efficacy and tolerability in registrational trials, because CSU is the lead proof point for the entire Celldex value creation path. If CSU succeeds, Celldex gains the anchor indication needed for approval, partnering leverage and commercial build-out; if it fails, most of the platform narrative is impaired.

Barzolvolimab must prove that mast-cell depletion is not a one-indication phenomenon by translating CIndU, PN and AD signals into additional clinically meaningful readouts. Multi-indication success would support a franchise valuation; failure outside CSU would leave Celldex much more dependent on a single launch and narrow the strategic-buyer or partner universe.

CDX-622 and the bispecific antibody platform must show that Celldex can create follow-on inflammatory-disease assets beyond barzolvolimab rather than remain economically dependent on one antibody. A credible second program would reduce single-asset risk and extend Celldex’s strategic value; failure would make the investment case almost entirely barzolvolimab-dependent.

Celldex must maintain enough balance-sheet flexibility to carry pivotal readouts and negotiate from strength, because management’s stated strategy depends on retaining full economics or securing favorable partnership terms. Adequate funding preserves upside for shareholders; weak funding could force dilution or a partnership that transfers too much of barzolvolimab’s economics before the asset is de-risked.

All standing thesis claims
Original report summary

Celldex is a concentrated clinical-stage bet that barzolvolimab’s KIT-driven mast-cell depletion becomes a durable, multi-indication inflammatory-disease franchise before the company’s cash burn forces unattractive financing or partnership terms.

Evidence assessed Oct 16, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Celldex Therapeutics

Where the evidence on Celldex Therapeutics stands: Holding on the latest evidence (Oct 16, 2026). Of its 4 thesis points, 2 strengthening and 2 holding.

Bull case: what the evidence supports

  • Barzolvolimab’s KIT-targeted mast-cell mechanism must reproduce its Phase 2 CSU efficacy and tolerability in registrational trials, because CSU is the lead proof point for the entire Celldex value creation path.

    sec.gov ↗

  • Barzolvolimab must prove that mast-cell depletion is not a one-indication phenomenon by translating CIndU, PN and AD signals into additional clinically meaningful readouts.

    sec.gov ↗

  • CDX-622 and the bispecific antibody platform must show that Celldex can create follow-on inflammatory-disease assets beyond barzolvolimab rather than remain economically dependent on one antibody.

    sec.gov ↗

  • Celldex must maintain enough balance-sheet flexibility to carry pivotal readouts and negotiate from strength, because management’s stated strategy depends on retaining full economics or securing favorable partnership terms.

    sec.gov ↗

Bear case: what would count against it

  • The Q4 2026 Phase 3 CSU readout misses its primary endpoint versus placebo.

    sec.gov ↗

  • Summer 2026 PN topline data fail to show a clinically meaningful itch or lesion benefit.

    sec.gov ↗

  • The Q3 2026 multiple-ascending-dose or subcutaneous CDX-622 data fail to show acceptable safety, pharmacodynamics or dosing feasibility.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Celldex Therapeutics

12 mo agonow
Trailing daily price. No thesis break has crossed here, so there is no break base rate to project.

No break has crossed Celldex Therapeutics’s thesis. Its break conditions are checked against every new filing as it lands.

How the Thesis-Break Engine works →Historical outcomes are measured against the market after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Other material event.

    Celldex Therapeutics filed an SEC 8-K on 2026-09-22: Other material event. It is a dated development that tests the current thesis.

  2. Mixed
    Reported results of operations (earnings release).

    Celldex Therapeutics filed an SEC 8-K on 2026-08-06: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  3. Mixed
    Director or principal officer change.

    Celldex Therapeutics filed an SEC 8-K on 2026-07-15: Director or principal officer change. It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • The Q4 2026 Phase 3 CSU readout misses its primary endpoint versus placebo.
  • Summer 2026 PN topline data fail to show a clinically meaningful itch or lesion benefit.
  • The Q3 2026 multiple-ascending-dose or subcutaneous CDX-622 data fail to show acceptable safety, pharmacodynamics or dosing feasibility.
  • Celldex raises equity at a large discount before CSU Phase 3 data, signaling weak negotiating leverage.

CLDX news

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Financial statements

CLDX income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

CLDX: quick answers

When does Celldex Therapeutics (CLDX) report earnings next?
Celldex Therapeutics's next results are projected for February 24, 2027, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on November 5, 2026. Earnings calendar
What is CLDX's short interest?
As of October 30, 2026, 9.9M CLDX shares were sold short, 12.7% of its shares outstanding, up 3.5% from the count before. At the stock's average daily volume that is 10 days to cover. FINRA publishes the count twice a month. CLDX short interest history
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