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Celldex Therapeutics, Inc.

CLDXFDA catalysts, PDUFA dates & pipeline intelligence
$29.56
▲ +0.31 · +1.06%

Financials

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52W LOW $22.1052W HIGH $45.14
Volume
231.86 K
Value Traded
31.03 M
Short % Float
14.5%
Days to Cover
3.8
-0.99%Week
-6.72%1 Month
-17.6%3 Month
-12.73%6 Month
+9.75%5 Year
-96.5%All Time

Cash Data

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  • Monthly Burn
  • Burn Trend
  • Dilution Risk
  • SEC Filing

Key Stats

Market Cap
2.32 B
EPS (TTM)
-3.83
P/E Ratio
-
Ent. Value
1.60 B
Total Shares
78.50 M
Float Shares
75.92 M
Insiders
3.32%
Institutions
105.71%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
Phase 3 topline data readout
barzolvolimab
chronic spontaneous urticaria (CSU)
Phase 3BiologicsDermatologic System
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Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
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PoA blends historical approval base rates, trial design score and FDA review track record.

CLDX Catalyst Timeline

Dated clinical, regulatory and corporate events for Celldex Therapeutics, Inc.

Catalyst Timeline

Dated clinical, regulatory & corporate events for Celldex Therapeutics, Inc.

1012Total events
8Upcoming
175Tier-1 (high impact)
2008 to 2027Coverage

Upcoming catalysts 2

T1Topline Readout
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Barzolvolimab
T1Topline Readout
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Barzolvolimab

Event history 50

▲Topline ReadoutBarzolvolimabClinical Data
Celldex reports positive topline results from Phase 3 EMBARQ-CSU1 in CSU
chronic spontaneous urticaria (CSU)source ↗
▲Primary Endpoint MetBarzolvolimabClinical Data
EMBARQ-CSU1 met primary endpoint of mean change from baseline in UAS7 at Week 12
chronic spontaneous urticaria (CSU)source ↗
▲Secondary Endpoint DataBarzolvolimabClinical Data
All key secondary endpoints met in both EMBARQ-CSU trials at Week 12
chronic spontaneous urticaria (CSU)source ↗
▲Safety Data UpdateBarzolvolimabClinical Data
Barzolvolimab well tolerated with favorable safety profile through 24 weeks
chronic spontaneous urticaria (CSU)source ↗
●Quarterly UpdateCorporate
Celldex to host webcast/conference call to discuss EMBARQ-CSU results
▲Enrollment CompleteBarzolvolimabTrial
Enrollment completed in Phase 3 CSU program
chronic spontaneous urticariasource ↗
●Enrollment UpdateBarzolvolimabTrial
Phase 3 study actively enrolling
cold urticaria and symptomatic dermographismsource ↗
▼Program DiscontinuationBarzolvolimabCorporate
Discontinuing Phase 2 PN study
prurigo nodularissource ↗
●Trial InitiationCDX-622Trial
Expansion into additional indications planned
allergic rhinitis and food allergysource ↗
●Quarterly UpdateCorporate
Q2 2026 financial results reported
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Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
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Past FDA Catalysts and PDUFA Decisions

How CLDX actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
2026-06-14CDX-622 Phase 1 data readout Phase 1
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Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

Pipeline Score
Pipeline Value
Valuation Signal
5
Drugs Scored
rNPV / MCap
Top Drug
Top 9%
Small Cap
(rank 60 of 657)
Percentile Rank
Showing 11 of 36 assets
DrugIndicationPhasePTRSrNPVStatusEnrollVelocityDesignEst. CompletionML SignalLast Change
Barzolvolimab Monoclonal antibodyNCT06445023Chronic Spontaneous UrticariaPhase 3 ACTIVE NOT_RECRUITING 3,517Apr 1, 2027
Barzolvolimab Monoclonal antibodyNCT06727552Atopic DermatitisPhase 2 ACTIVE NOT_RECRUITING 131Dec 1, 2026
Barzolvolimab Monoclonal antibodyNCT06366750Prurigo NodularisPhase 2 ACTIVE NOT_RECRUITING 140Mar 1, 2027
CDX-622 Small moleculeNCT07330778Mild to Moderate AsthmaPhase 1 RECRUITING 12Mar 1, 2027
Barzolvolimab Monoclonal antibodyNCT05405660Chronic Inducible UrticariaPhase 3 COMPLETED 436Sep 12, 2025
Barzolvolimab Monoclonal antibodyCompletedNCT05774184Eosinophilic EsophagitisPhase 2 COMPLETED 86Jan 23, 2026
CDX-0159 Monoclonal antibodyCompletedNCT04538794Chronic Spontaneous UrticariaPhase 1 COMPLETED 45Jan 17, 2023
CDX-0159 Monoclonal antibodyCompletedNCT04548869Cold UrticariaPhase 1 COMPLETED 41May 12, 2023
CDX-527 Small moleculeCompletedNCT04440943Non-small Cell Lung CancerPhase 1 COMPLETED 27Apr 6, 2023
CDX-585 Small moleculeCompletedNCT05788484Non-small Cell Lung CancerPhase 1 COMPLETED 20May 21, 2025
CDX-1140 Small moleculeCompletedNCT03329950MelanomaPhase 1 COMPLETED 154Sep 13, 2022
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PTRS, rNPV, enrollment velocity, trial design quality and ML risk signals for every asset above.
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Clinical Trial Results

Readouts, endpoints and source filings for every CLDX program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
barzolvolimab chronic spontaneous urticaria (CSU)Phase 32026-09-22clinically meaningful and statistically significant improvements in disease activityRead MoreCelldex Announces Positive Results from Phase 3 EMBARQ-CSU1 and EMBARQ-CSU2 Studies of Barzolvolimab Which Met Primary and All Key Secondary EndpointsRead More
Scroll for more · summaries link to the source press release
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Inside Trades

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Monthly insider buys and sells against the stock price, with the insider sentiment reading.
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InsiderSideSharesPriceValueDate
Lawver Teri LOfficer (SVP & Chief Commercial Officer)Grant/Award 90,000 90,000 held$0.00 06/25/2026
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Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
Kynam Capital Management, LP 10.9 % (-4.4 %) 198.07 M 5.32 M -8.86% ( -517.66 K)
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Shares held by hedge funds each quarter, and who bought or sold.

CLDX Institutional Ownership Trends

CLDX Short Interest

Shares sold short, counted twice a month.

14.5%
Short % of Float
of tradable shares sold short
11.0M
Shares Sold Short
+22.9% vs prior count
3.8 Moderate
Days to Cover
trading days of normal volume to buy every short share back
2.9M
Avg Daily Volume
the average used for days to cover
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Two years of days to cover and shares sold short, with every count and its change.
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Options Data

Option Volume

Open Interest
Call OI
Put OI
Put-Call Ratio
OI 30-day avg
Today vs avg
Option Volume
Call Vol
Put Vol
Put-Call Ratio
Vol 30-day avg
Today vs avg

Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
2026-11-20
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Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
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Real-Time Option Chain

CallsStrikePuts
LastVolOILastVolOI
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Calls vs Puts by Expiry

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Competitive positioning

How CLDX ranks across every disease it competes in

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See how CLDX ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
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CLDX News

CLDX
Sep 22, 2026
CLDXPhases
▼ -11.6%on this news

Celldex Announces Positive Results from Phase 3 EMBARQ-CSU1 and EMBARQ-CSU2 Studies of Barzolvolimab Which Met Primary and All Key Secondary Endpoints

Celldex announced positive results from its Phase 3 EMBARQ-CSU1 and EMBARQ-CSU2 trials, showing that barzolvolimab met all primary and secondary endpoints for chronic spontaneous urticaria (CSU). The treatment demonstrated significant efficacy and was well-tolerated over 24 weeks. A Biologics License Application (BLA) is anticipated in 2027, with ongoing trials extending to 52 weeks.

Read more →
CLDX
Sep 8, 2026
CLDXConferences/Events

Celldex to Present at Upcoming Investor Conference

Celldex (NASDAQ:CLDX) will participate in a fireside chat at the Cantor Global Healthcare Conference on September 10, 2026. The presentation will be available via webcast, with replays accessible for 90 days post-event. The company continues to advance its mission of developing innovative antibody-based therapies for immune-related disorders.

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CLDX
Aug 6, 2026
CLDXGeneral

Celldex Reports Second Quarter Financial Results and Provides Corporate Update

Celldex reported its Q2 2026 financial results, highlighting ongoing Phase 3 trials for barzolvolimab in chronic spontaneous urticaria and cold urticaria. The company also announced positive Phase 1 results for its bispecific antibody CDX-622. Despite a significant net loss and reduced revenues, Celldex maintains a strong cash position to support its operations through 2028.

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CLDX
Jul 21, 2026
CLDXPhases

Celldex Reports Results from Phase 2 Study of Barzolvolimab in Prurigo Nodularis

Celldex's Phase 2 study of barzolvolimab in prurigo nodularis did not meet its primary or key secondary endpoints, leading to the discontinuation of the study. Despite showing a favorable safety profile and significant mast cell depletion, the treatment failed to improve symptoms compared to placebo. The company remains focused on other indications where barzolvolimab has shown promise.

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CLDX
Jul 15, 2026
CLDXGeneral
▼ -7.6%on this newsshared move

Celldex Announces Planned Transition of Chief Financial Officer

Celldex announced the planned retirement of CFO Sam Martin in 2027 after serving since 2017. The company is searching for a new CFO while ensuring a smooth transition. Martin expressed pride in the company's achievements and confidence in its future, particularly with upcoming Phase 3 trial data for barzolvolimab.

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CLDX
Jun 14, 2026
CLDXPhases

Celldex Presents Long-Term Barzolvolimab Results Demonstrating Sustained Off-Treatment Improvement in Angioedema in Patients with CSU at the European Academy of Allergy and Clinical Immunology Annual Meeting

Celldex presented long-term results from a Phase 2 study of barzolvolimab at the EAACI Annual Meeting, showing significant and sustained improvements in angioedema for patients with chronic spontaneous urticaria (CSU). Seven months after treatment, 64% of patients remained angioedema-free. The findings support ongoing Phase 3 trials, with topline data expected in Q4 2026.

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CLDX
Jun 14, 2026
CLDXPhases

Celldex Presents Positive First-in-Human Results from Phase 1 Study of Novel Bispecific CDX-622 at the European Academy of Allergy and Clinical Immunology Annual Meeting

Celldex presented positive Phase 1 results for CDX-622, a bispecific antibody targeting soluble SCF and TSLP, at the EAACI Annual Meeting. The study showed significant reductions in serum tryptase, indicating effective mast cell depletion, and was well-tolerated across all doses. The findings suggest a promising avenue for treating inflammatory diseases.

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CLDX
Jun 10, 2026
CLDXConferences/Events

Celldex Announces Multiple Upcoming Presentations from Leading Mast Cell Targeting Pipeline at the Upcoming 2026 European Academy of Allergy and Clinical Immunology Annual Congress

Celldex announced three upcoming presentations at the EAACI Annual Congress in Istanbul, showcasing their mast cell targeting pipeline. The presentations will include results from the barzolvolimab program in chronic spontaneous urticaria and a late-breaking poster on the bispecific antibody CDX-622. These findings highlight the potential of these therapies in treating inflammatory conditions.

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CLDX
May 7, 2026
CLDXPhases

Celldex Reports First Quarter Financial Results and Provides Corporate Update

Celldex (NASDAQ: CLDX) reported its first quarter financial results for 2026, highlighting the early completion of enrollment in two Phase 3 studies for barzolvolimab. The company raised $345 million from a public offering and is anticipating multiple data readouts in 2026, indicating strong potential for its pipeline. Despite these positive developments, Celldex experienced an increase in net loss and a significant drop in revenue compared to the previous year. The company remains focused on advancing its clinical programs and preparing for commercialization.

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CLDX
Apr 14, 2026
CLDXConferences/Events

Celldex to Present at Upcoming April 2026 Investor Conference

Celldex (NASDAQ:CLDX) will participate in a fireside chat at H.C. Wainwright's 4th Annual Inflammatory Skin Disease Virtual Conference on April 14, 2026. The event will be accessible via webcast, with replays available for 90 days. This participation highlights Celldex's commitment to engaging with investors and discussing its advancements in immunology.

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CLDX
Apr 6, 2026
CLDXGeneral

Celldex Therapeutics Announces Closing of Public Offering of Common Stock and Full Exercise of Underwriters’ Option to Purchase Additional Shares

Celldex Therapeutics has completed its public offering of 11,896,750 shares of common stock, raising around $345 million in gross proceeds. This offering included full exercise of the underwriters' option for an additional 1,551,750 shares, reflecting strong market interest. All shares were sold by Celldex, utilizing a previously filed registration statement with the SEC. The successful closure of this offering is expected to bolster the company's finances as it advances its therapeutic pipeline.

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CLDX
Apr 2, 2026
CLDXGeneral

Celldex Announces Pricing of $300 Million Public Offering of Common Stock

Celldex Therapeutics has announced a public offering of 10,345,000 shares at $29.00 each, aiming to raise approximately $300 million. The proceeds will support ongoing commercial activities for barzolvolimab and further development of its product candidates. The offering is expected to close around April 6, 2026, pending customary conditions.

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CLDX
Apr 1, 2026
CLDXGeneral

Celldex Announces Proposed Public Offering of Common Stock

Celldex Therapeutics has announced a proposed public offering of its common stock to fund various initiatives, including the commercial launch of barzolvolimab for CSU treatment. The offering includes a 30-day option for underwriters to purchase additional shares. The final terms will be determined by market conditions, with no guarantees on completion.

Read more →
CLDX
Mar 27, 2026
CLDXPhases

Celldex Presents Positive Data from Phase 2 Chronic Spontaneous Urticaria and Phase 2 Cold Urticaria and Symptomatic Dermographism Studies Demonstrating Rapid, Profound and Durable Improvements in Patient Quality of Life at AAD 2026

Celldex presented positive Phase 2 trial data for barzolvolimab, highlighting significant improvements in quality of life for patients with chronic spontaneous urticaria and cold urticaria. The data, showcased at the AAD Annual Meeting, demonstrated that a majority of patients experienced symptom-free responses and sustained benefits even after treatment cessation. This positions barzolvolimab as a promising treatment option in its class.

Read more →
CLDX
Mar 2, 2026
CLDXPhases

Celldex Presents Additional Positive Data from Phase 2 Chronic Spontaneous Urticaria (CSU) and Phase 2 Cold Urticaria (ColdU) and Symptomatic Dermographism (SD) Studies Further Demonstrating First-in-Class and Best-in-Disease Barzolvolimab Profile at AAAAI 2026

Celldex has presented promising data from Phase 2 trials of barzolvolimab for chronic spontaneous urticaria (CSU), cold urticaria (ColdU), and symptomatic dermographism (SD) at the AAAAI Annual Meeting. The results indicate sustained efficacy even after treatment cessation, alongside improved patient quality of life. Barzolvolimab's unique mechanism targets mast cells, potentially transforming treatment options for these conditions.

Read more →
CLDX
Mar 1, 2026
CLDXPhases

Celldex Presents Positive Data Demonstrating Barzolvolimab Retreatment Achieves Similar Profound Efficacy to First Exposure in Patients with Cold Urticaria (ColdU) and Symptomatic Dermographism (SD) Further Demonstrating First-in-Class and Best-in-Disease Barzolvolimab Profile at AAAAI 2026

Celldex presented positive Phase 2 data on barzolvolimab at the AAAAI 2026 meeting, demonstrating that retreatment leads to rapid improvement in patients with Cold Urticaria (ColdU) and Symptomatic Dermographism (SD). The study showed that 62% of ColdU patients and 60% of SD patients achieved a complete response after retreatment, comparable to initial treatment results. Barzolvolimab's mechanism targets mast cells, supporting its profile as a best-in-class treatment for chronic urticarias.

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CLDX
Feb 26, 2026
CLDXGeneral

Celldex Reports Fourth Quarter and Year End 2025 Financial Results and Provides Corporate Update

Celldex reported its financial results for Q4 and the year ending December 31, 2025, highlighting strong progress in its clinical programs, particularly for barzolvolimab. The company completed enrollment in its Phase 3 CSU studies ahead of schedule and anticipates multiple important data readouts in 2026. However, it also reported a significant net loss and a decrease in revenue compared to the previous year.

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CLDX
Feb 25, 2026
CLDXPhases
▲ +24.1%on this newsshared move

Celldex Completes Enrollment in Global Phase 3 Studies (EMBARQ-CSU1 and EMBARQ-CSU2) of Barzolvolimab in Chronic Spontaneous Urticaria

Celldex has completed enrollment in its global Phase 3 studies of barzolvolimab for chronic spontaneous urticaria, with 1,939 patients enrolled across 43 countries. The studies aim to establish the efficacy and safety of barzolvolimab in patients unresponsive to antihistamines. Results are expected later this year, highlighting the treatment's potential to address significant unmet needs in CSU.

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About Celldex Therapeutics, Inc.

Hampton, NJ 198 employees celldex.com
Headquarters53 FRONTAGE ROAD, HAMPTON, NJ, 08827
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