M&A Deal Summary

Gossamer Bio Acquires Respira

On September 25, 2025, Gossamer Bio acquired life science company Respira

Acquisition Highlights
  • This is Gossamer Bio’s 1st transaction in the Life Science sector.
  • This is Gossamer Bio’s 1st transaction in the United States.
  • This is Gossamer Bio’s 1st transaction in California.

M&A Deal Summary

Date 2025-09-25
Target Respira
Sector Life Science
Buyer(s) Gossamer Bio
Deal Type Add-on Acquisition
Advisor(s) Sidley (Legal)

Target

Respira

Palo Alto, California, United States
Respira is a pharmaceutical development company focused on commercializing its high-efficiency, dry powder inhaler (DPI) drug delivery technologies for the treatment of important diseases with unmet clinical needs. Respira was founded in 2010 and is based in Palo Alto, California.

Search 214,239 Deals Now

SEARCH BY

  • Buyer Type (PE or Strategic)
  • Deal Size ($10M to $10B+)
  • Sector (60 Sectors)
  • Deal Type
  • Geography
  • & More

Try Free

Buyer(S) 1

Buyer

Gossamer Bio

San Diego, California, United States

Category Company
Founded 2015
Sector Life Science
Employees144
Revenue 115M USD (2024)
DESCRIPTION

Gossamer Bio is a clinical-stage biopharmaceutical company focused on discovering, acquiring, developing and commercializing therapeutics in the disease areas of immunology, inflammation and oncology. Gossamer Bio was founded in 2015 and is based in San Diego, California.


DEAL STATS #
Overall 1 of 1
Sector: Life Science M&A 1 of 1
Type: Add-on Acquisition M&A Deals 1 of 1
State: California M&A 1 of 1
Country: United States M&A 1 of 1
Year: 2025 M&A 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2023-02-23 Gossamer Bio - Clinical Stage Integrin Activator Program

San Diego, California, United States

Gossamer Bio's Clinical Stage Integrin Activator Program GB1275 has the potential to reduce innate immune cell driven autoimmunity in multiple therapeutic areas and significantly improve patients’ lives. Gossamer Bio's Clinical Stage Integrin Activator Program is based in San Diego, California.

Sell -