---
schema_version: "secwatch.filing_event.v1"
accession: "0001728117-26-000061"
form_type: "8-K"
ticker: "GOSS"
cik: "0001728117"
company_name: "Gossamer Bio, Inc."
filed_at: "2026-07-15T00:39:46+00:00"
generated_at: "2026-07-15T10:10:31.697599+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Gossamer Bio stockholders approve 4B authorized shares, new incentive plan, and note/warrant issuance

## Summary
- Stockholders approved charter amendment increasing authorized common shares from 700M to 4B.
- Stockholders approved restated 2019 Incentive Award Plan to increase shares available for issuance.
- Stockholders approved potential issuance of shares upon conversion of up to $72M in new 7.50% Convertible Senior Secured First Lien Notes due 2030 and exercise of 135.8M purchase warrants.
- Exchange offer for $200M 5.00% Convertible Senior Notes due 2027 closed on June 4, 2026, with new notes and warrants issued.

## SEC filing metadata
- accession: 0001728117-26-000061
- form_type: 8-K
- ticker: GOSS
- cik: 0001728117
- company_name: Gossamer Bio, Inc.
- filed_at: 2026-07-15T00:39:46+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1728117/000172811726000061/0001728117-26-000061-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1728117/000172811726000061/goss-20260714.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001728117-26-000061
- JSON: https://secwatch.observer/filing/0001728117-26-000061.json
- Plain text: https://secwatch.observer/filing/0001728117-26-000061.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.