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Gossamer Bio Announces 1-for-80 Reverse Stock Split

Key Takeaway: Gossamer Bio, Inc. has announced a 1-for-80 reverse stock split of its common stock, which is intended to reduce the number of outstanding shares. This decision comes amid the company's focus on developing seralutinib for pulmonary arterial hypertension. The board aims to enhance the stock's marketability and align it with compliance requirements.

Market Sentiment Analysis

CONCERNS & RISKS

  • The reverse stock split may indicate financial distress.
  • Shareholder value could be negatively impacted by the split.
  • The company's stock may face volatility post-split.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+53%
120-day peak, hindsight
Typical move
5.9%
average across 2 past catalysts
Cash runway
~4 mo
High dilution risk
Lead asset
GB001
Phase 2 · Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)

Full Press Release Details

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS) (the “Company” or “Gossamer”), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease, today announced that its board of directors (the “Board”) has selected a 1-for-80 reverse stock split of the Company’s common stock and a proportionate reduction in the number

Frequently Asked Questions

What is a reverse stock split?

A reverse stock split reduces the number of a company's outstanding shares, increasing the share price.

Why did Gossamer Bio implement a reverse stock split?

The split aims to enhance the stock's marketability and align with compliance requirements.

How will the reverse stock split affect shareholders?

Shareholders will own fewer shares, but the value per share may increase proportionately.

What is Gossamer Bio developing?

Gossamer Bio is focused on developing seralutinib for pulmonary arterial hypertension.

Last updated: Sep 9, 2026