Gossamer Bio, Inc. — Investor Relations & Filings
Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on the development and commercialization of its lead investigational product, seralutinib. The company is developing this therapy for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD). Seralutinib is an inhaled inhibitor of PDGFRα/β, CSF1R, and c-KIT, designed for delivery via a dry powder inhaler. The company's goal is to address the needs of patients with these rare diseases.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| DEFA14A | 2026-05-18 | English | |
| 8-K | 2026-05-18 | English | |
| 10-Q | 2026-05-15 | English | |
| ARS - Gossamer Bio, Inc. (0001728117) (Filer) | 2026-04-24 | English | |
| DEF 14A - Gossamer Bio, Inc. (0001728117) (Filer) | 2026-04-24 | English | |
| 8-K - Gossamer Bio, Inc. (0001728117) (Filer) | 2026-04-09 | English |
Browse filings by year
9 yearsMarket data
Market data not available
Price history
Peer group · Manufacture of pharmaceuticals, medicinal chemical and botanical products
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
AFC-HD AMS Life Science Co.,Ltd.
An OEM of health foods, supplements, and cosmetics with int…
|
2927 | JP | Manufacturing |
|
Afexa Life Sciences Inc.
Researched, developed, and manufactured naturally derived O…
|
FXA | CA | Manufacturing |
|
AFT Pharmaceuticals Limited
Develops, licenses, and distributes pharmaceuticals across …
|
AFT | NZ | Manufacturing |
|
AFT PHARMACEUTICALS LIMITED
Develops and licenses healthcare products for pain manageme…
|
AFP | AU | Manufacturing |
|
AGENUS INC
A clinical-stage biotechnology company specializing in immu…
|
AGEN | US | Manufacturing |
|
AGIOS PHARMACEUTICALS, INC.
Biopharmaceutical company developing therapies for rare and…
|
AGIO | US | Manufacturing |
|
AGP Limited
Pharmaceutical company manufacturing, marketing, and distri…
|
AGP | PK | Manufacturing |
|
AHN-GOOK PHARMACEUTICAL Co., Ltd.
Develops and markets medicines, focusing on respiratory and…
|
001540 | KR | Manufacturing |
|
AIM Vaccine Co., Ltd.
Develops, manufactures, and commercializes established and …
|
6660 | HK | Manufacturing |
|
AION THERAPEUTIC INC.
Health and wellness company developing AI-driven bio-pharma…
|
AION | CA | Manufacturing |
Gossamer Bio, Inc. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/32603/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=32603 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=32603 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=32603 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 32603}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Gossamer Bio, Inc. (id: 32603)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.