---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-045629"
form_type: "8-K"
ticker: "SGMT"
cik: "0001400118"
company_name: "Sagimet Biosciences Inc."
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:05:06.724350+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Sagimet Biosciences CMO Eduardo Martins retires; Andreas Grauer appointed as replacement

## Summary
- CMO Eduardo Martins retired effective April 20, 2026; will remain as external scientific advisor.
- Andreas Grauer, M.D., appointed as new CMO, effective April 20, 2026.
- Dr. Grauer previously served as CMO at Omeros Corporation (Oct 2023–Apr 2026) and earlier at Federation Bio, Corcept, Amgen.
- He also serves as Associate Professor of Medicine at University of Heidelberg Medical School.

## SEC filing metadata
- accession: 0001104659-26-045629
- form_type: 8-K
- ticker: SGMT
- cik: 0001400118
- company_name: Sagimet Biosciences Inc.
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1400118/000110465926045629/0001104659-26-045629-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1400118/000110465926045629/tm2612312d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-045629
- JSON: https://secwatch.observer/filing/0001104659-26-045629.json
- Plain text: https://secwatch.observer/filing/0001104659-26-045629.txt

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