Gossamer Bio, Inc.

GOSS · Nasdaq · SIC 2834: Pharmaceutical Preparations · Market Cap: $0.1B · 162 employees
124
SEC Filings
$11.69
Close 2026-09-22
162
Employees

Business Summary

Gossamer Bio is a clinical-stage biopharmaceutical company focused on developing and commercializing seralutinib (GB002), an investigational inhaled small molecule inhibitor of PDGFR, CSF1R, and c-KIT, for the treatment of pulmonary arterial hypertension (PAH) and PH associated with interstitial lung disease (PH-ILD). The company completed a Phase 3 PROSERA trial in 390 PAH patients and is pursuing FDA regulatory feedback for a potential NDA submission, while also advancing RT234 under an option agreement with Respira Therapeutics.

Latest Stock Quote

GOSS 2026-09-22 $11.69 O:$11.48 H:$12.3099 L:$11.35 Vol:0.2M VWAP:$11.8101
origin leaf: null

Next Earnings

expected 2026-12-16

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-03-172025-12-310001728117-26-000017EDGAR94K words
2025-03-132024-12-310001728117-25-000021EDGAR88K words
2024-03-052023-12-310001728117-24-000019EDGAR83K words
2023-03-172022-12-310001728117-23-000010EDGAR—
2022-03-032021-12-310001728117-22-000019EDGAR—
2021-02-262020-12-310001728117-21-000019EDGAR—
2020-03-242019-12-310001564590-20-012323EDGAR—
2019-03-222018-12-310001564590-19-009031EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-132026-06-300001728117-26-000072EDGAR32K words
2025-11-052025-09-300001728117-25-000081EDGAR22K words
2025-08-052025-06-300001728117-25-000068EDGAR22K words
2025-05-152025-03-310001728117-25-000036EDGAR19K words
2024-11-072024-09-300001728117-24-000092EDGAR23K words
2024-08-122024-06-300001728117-24-000085EDGAR22K words
2024-05-072024-03-310001728117-24-000056EDGAR18K words
2023-11-092023-09-300001728117-23-000134EDGAR22K words
2023-08-082023-06-300001728117-23-000108EDGAR20K words
2023-05-092023-03-310001728117-23-000049EDGAR—
2022-11-032022-09-300001728117-22-000100EDGAR—
2022-08-092022-06-300001728117-22-000085EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-09-230001728117-26-000104EDGAR1K words
2026-09-160001728117-26-000101EDGAR1K words
2026-09-110001728117-26-000094EDGAR1K words
2026-09-090001728117-26-000091EDGAR1K words
2026-09-030001728117-26-000085EDGAR16K words
2026-08-260001728117-26-000079EDGAR8K words
2026-08-210001728117-26-000077EDGAR2K words
2026-08-130001728117-26-000073EDGAR2K words
2026-07-270001728117-26-000064EDGAR10K words
2026-07-150001728117-26-000061EDGAR12K words

124 total filings indexed. 94 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SXTP — 60 DEGREES PHARMACEUTICALS, INC. ABT — ABBOTT LABORATORIES ABEO — ABEONA THERAPEUTICS INC. ABVC — ABVC BIOPHARMA, INC. ACIU — AC Immune SA ACAD — ACADIA PHARMACEUTICALS INC ACTU — ACTUATE THERAPEUTICS, INC. ADCT — ADC Therapeutics SA

Tags

pulmonary-arterial-hypertension-(pah) ph-associated-with-interstitial-lung-disease-(ph-ild) rare-disease-/-orphan-disease

Company Identity

CIK0001728117
TickerGOSS
ExchangeNasdaq
SIC2834: Pharmaceutical Preparations
IncorporatedDE
Websitehttps://www.gossamerbio.com
Listed2019-02-08

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: a416fce9090eb71c599232accacd73c78f9db3da2f7cab76afd2e30a32275771
parent: cb3431e4e7a50ef8c4efb4e802b08a8bc6eac9c8a6cb01f506c73a286a348876
content hash: 667e024923ec0480206051ec8c08dab6e8992e2c721efba971754495faaccf54
signed: 2026-09-28T12:01:29.924Z
sources: 20 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up GOSS using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on GOSS, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/GOSS (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.