---
schema_version: "secwatch.filing_event.v1"
accession: "0001728117-21-000092"
form_type: "8-K"
ticker: "GOSS"
cik: "0001728117"
company_name: "Gossamer Bio, Inc."
filed_at: "2021-09-21T23:59:59+00:00"
generated_at: "2026-06-29T02:22:40.533488+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Gossamer Bio promotes CFO Bryan Giraudo to also serve as COO

## Summary
- Bryan Giraudo appointed COO effective Sept 16, 2021, while remaining CFO.
- Annual base salary increased to $460,000; target bonus raised to 45% of salary.
- Granted option for 150,000 shares under 2019 Equity Incentive Plan; vests over 4 years.
- Severance enhanced: 9 months base salary (12 months upon change-in-control) plus bonus and COBRA.
- Giraudo joined Gossamer in May 2018 as CFO; previously Senior MD at SVB Leerink.

## SEC filing metadata
- accession: 0001728117-21-000092
- form_type: 8-K
- ticker: GOSS
- cik: 0001728117
- company_name: Gossamer Bio, Inc.
- filed_at: 2021-09-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1728117/000172811721000092/0001728117-21-000092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1728117/000172811721000092/goss-20210916.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001728117-21-000092
- JSON: https://secwatch.observer/filing/0001728117-21-000092.json
- Plain text: https://secwatch.observer/filing/0001728117-21-000092.txt

## Key facts
- Executive change
  Bryan Giraudo changed role as Chief Operating Officer/Chief Financial Officer at Gossamer Bio, Inc..
  - Action: promoted
  - Role: Chief Operating Officer/Chief Financial Officer
  source text: Effective September 16, 2021, Bryan Giraudo was promoted to Chief Operating Officer/Chief Financial Officer of Gossamer Bio, Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1728117/000172811721000092/0001728117-21-000092-index.htm

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