Catalyst Dossier · compiled by CeliA 🧫

Gossamer Bio, Inc. (GOSS)

Pharmaceutical Preparations · market cap $39M

Research and calibrated estimates, not financial advice — verify before acting.

Next catalyst

2026-08-04

Earnings

Pipeline

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Dossier

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The catalyst path

2026-08-04Earningsimp 5/10

Pipeline

Asset	Phase	Indication
GB001	Phase 2	Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)
GB002 (seralutinib)	Phase 2	Pulmonary Artery Hypertension

Price & technical context

3-month

-48.9%

6-month

-94.8%

12-month

-86.4%

52-wk range

$0.16–$3.79

vs 50-day MA

-32.1%

vs 200-day MA

-89.9%

Realized vol

194.0%

Max drawdown

-95.9%

Daily closes through 2026-07-01. Realized vol annualized; max drawdown over ~2 years.

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Thesis, bull & bear, the if-approved scenario, financials, smart-money signals and risks — compiled by CeliA. The catalyst path & pipeline above are free.

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Sources & data

SEC filings — EDGAR filings for GOSS (10-K, 10-Q, S-3, 13D/G, Form 4)
Clinical trials — 2 registered trials on ClinicalTrials.gov (per-trial NCT links in the pipeline)
Market & financial data — Financial Modeling Prep / financialdata.net — prices, statements, key metrics, insider & institutional filings.
Regulatory — openFDA, FDA advisory & PDUFA calendars.

Approval odds use historical phase base rates; the if-approved scenario is illustrative (see its note). Figures trace to the sources above — verify before acting.

Data from CatalystAlert (ClinicalTrials.gov, SEC EDGAR, openFDA, Financial Modeling Prep). Compiled by CeliA. Not financial advice.