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Gossamer Bio Inc

GOSS
0.321USD
-0.054-14.35%
Close 03/30, 16:00ETQuotes delayed by 15 min
20.31MMarket Cap
LossP/E TTM

Gossamer Bio Inc

0.321
-0.054-14.35%

More Details of Gossamer Bio Inc Company

Gossamer Bio, Inc. is a late-stage, clinical biopharmaceutical company, which is focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease (PH-ILD). Seralutinib, also known as GB002, is an investigational inhaled, small-molecule, platelet-derived growth factor receptor (PDGFR), colony-stimulating factor 1 receptor (CSF1R), and c-KIT inhibitor, being evaluated in a Phase III clinical trial for the treatment of PAH. Seralutinib is designed to target the mechanisms that underlie pulmonary hypertension and to be delivered to the site of disease, via dry powder inhaler. Seralutinib is being evaluated in a Phase III clinical trial for the treatment of pulmonary arterial hypertension (PAH). Inhaled seralutinib, which is designed to act on both isoforms of the PDGFR, α and β, as well as the CSF1R and c-KIT pathways.

Gossamer Bio Inc Info

Ticker SymbolGOSS
Company nameGossamer Bio Inc
IPO dateFeb 08, 2019
CEOHasnain (Faheem)
Number of employees144
Security typeOrdinary Share
Fiscal year-endFeb 08
Address3115 Merryfield Row
CitySAN DIEGO
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code92121
Phone18586841300
Websitehttps://www.gossamerbio.com/
Ticker SymbolGOSS
IPO dateFeb 08, 2019
CEOHasnain (Faheem)

Company Executives of Gossamer Bio Inc

Name
Name/Position
Position
Shareholding
Change
Mr. Faheem Hasnain
Mr. Faheem Hasnain
Chairman of the Board, President, Chief Executive Officer, Co-Founder
Chairman of the Board, President, Chief Executive Officer, Co-Founder
837.79K
+33.42%
Mr. Christian Waage
Mr. Christian Waage
Executive Vice President - Technical Operations and Administration
Executive Vice President - Technical Operations and Administration
666.30K
+1.84%
Dr. Richard Aranda, M.D.
Dr. Richard Aranda, M.D.
Chief Medical Officer
Chief Medical Officer
462.20K
+20.28%
Ms. Caryn Peterson
Ms. Caryn Peterson
Executive Vice President - Regulatory Affairs
Executive Vice President - Regulatory Affairs
259.33K
+32.58%
Dr. Sandra Milligan, M.D., J.D.
Dr. Sandra Milligan, M.D., J.D.
Independent Director
Independent Director
58.05K
+44.88%
Dr. Thomas O. (Tom) Daniel, M.D.
Dr. Thomas O. (Tom) Daniel, M.D.
Lead Independent Director
Lead Independent Director
38.09K
--
Mr. Russell J. Cox
Mr. Russell J. Cox
Independent Director
Independent Director
7.20K
--
Mr. Bryan M. Giraudo
Mr. Bryan M. Giraudo
Chief Operating Officer, Chief Financial Officer
Chief Operating Officer, Chief Financial Officer
--
--
Dr. John D. Quisel, J.D., Ph.D.
Dr. John D. Quisel, J.D., Ph.D.
Independent Director
Independent Director
--
--
Mr. Robert (Ob) Smith
Mr. Robert (Ob) Smith
Chief Commercial Officer
Chief Commercial Officer
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Mr. Faheem Hasnain
Mr. Faheem Hasnain
Chairman of the Board, President, Chief Executive Officer, Co-Founder
Chairman of the Board, President, Chief Executive Officer, Co-Founder
837.79K
+33.42%
Mr. Christian Waage
Mr. Christian Waage
Executive Vice President - Technical Operations and Administration
Executive Vice President - Technical Operations and Administration
666.30K
+1.84%
Dr. Richard Aranda, M.D.
Dr. Richard Aranda, M.D.
Chief Medical Officer
Chief Medical Officer
462.20K
+20.28%
Ms. Caryn Peterson
Ms. Caryn Peterson
Executive Vice President - Regulatory Affairs
Executive Vice President - Regulatory Affairs
259.33K
+32.58%
Dr. Sandra Milligan, M.D., J.D.
Dr. Sandra Milligan, M.D., J.D.
Independent Director
Independent Director
58.05K
+44.88%
Dr. Thomas O. (Tom) Daniel, M.D.
Dr. Thomas O. (Tom) Daniel, M.D.
Lead Independent Director
Lead Independent Director
38.09K
--

Revenue Breakdown

Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.

Shareholding Stats

Updated: Wed, Mar 11
Updated: Wed, Mar 11
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.24%
Octagon Capital Advisors LP
6.01%
The Vanguard Group, Inc.
5.56%
State Street Investment Management (US)
4.02%
ARCH Venture Partners
3.48%
Other
74.68%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.24%
Octagon Capital Advisors LP
6.01%
The Vanguard Group, Inc.
5.56%
State Street Investment Management (US)
4.02%
ARCH Venture Partners
3.48%
Other
74.68%
Shareholder Types
Shareholders
Proportion
Investment Advisor
23.85%
Hedge Fund
22.12%
Investment Advisor/Hedge Fund
16.01%
Venture Capital
7.23%
Corporation
2.71%
Research Firm
2.09%
Individual Investor
1.50%
Private Equity
1.36%
Bank and Trust
0.16%
Other
22.97%

Institutional Shareholding

Updated: Thu, Jan 1
Updated: Thu, Jan 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
301
181.91M
78.59%
-39.01M
2025Q3
269
178.21M
76.99%
-56.62M
2025Q2
264
183.64M
80.76%
-59.32M
2025Q1
285
180.17M
79.28%
-64.51M
2024Q4
310
181.35M
80.03%
-59.94M
2024Q3
354
184.99M
81.77%
-80.44M
2024Q2
354
192.00M
84.87%
-65.92M
2024Q1
360
205.91M
94.29%
-56.87M
2023Q4
359
215.74M
99.04%
-22.98M
2023Q3
360
211.40M
97.17%
+97.02M
View more

Shareholder Activity

Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
12.53M
5.42%
+1.38M
+12.42%
Sep 30, 2025
Octagon Capital Advisors LP
17.05M
7.37%
-1.30M
-7.08%
Sep 30, 2025
The Vanguard Group, Inc.
12.01M
5.19%
+598.98K
+5.25%
Sep 30, 2025
State Street Investment Management (US)
3.88M
1.68%
+1.40M
+56.51%
Sep 30, 2025
ARCH Venture Partners
8.06M
3.48%
--
--
Sep 30, 2025
Samsara BioCapital, LLC
6.13M
2.65%
--
--
Sep 30, 2025
Two Sigma Investments, LP
4.17M
1.8%
+756.36K
+22.13%
Sep 30, 2025
Hasnain's family
5.41M
2.34%
+372.00K
+7.39%
Apr 28, 2025
Invus Public Equities Advisors, LLC
5.21M
2.25%
--
--
Sep 30, 2025
683 Capital Management LLC
5.06M
2.19%
-1.28M
-20.20%
Sep 30, 2025
View more

Related ETFs

Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
ALPS Medical Breakthroughs ETF
0.21%
Vanguard US Momentum Factor ETF
0.09%
iShares Micro-Cap ETF
0.09%
iShares Russell 2000 Growth ETF
0.03%
Invesco Russell 2000 Dynamic Multifactor ETF
0.03%
Invesco RAFI US 1500 Small-Mid ETF
0.03%
Proshares Ultra Russell 2000
0.02%
ProShares UltraPro Russell2000
0.02%
ProShares Hedge Replication ETF
0.02%
iShares Russell 2000 ETF
0.02%
View more
ALPS Medical Breakthroughs ETF
Proportion0.21%
Vanguard US Momentum Factor ETF
Proportion0.09%
iShares Micro-Cap ETF
Proportion0.09%
iShares Russell 2000 Growth ETF
Proportion0.03%
Invesco Russell 2000 Dynamic Multifactor ETF
Proportion0.03%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.03%
Proshares Ultra Russell 2000
Proportion0.02%
ProShares UltraPro Russell2000
Proportion0.02%
ProShares Hedge Replication ETF
Proportion0.02%
iShares Russell 2000 ETF
Proportion0.02%

Dividend

A total of 0.00 USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data

Stock Splits

Date
Ex-dividend Date
Type
Ratio
No Data
Date
Ex-dividend Date
Type
Ratio
No Data
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