---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-039793"
form_type: "8-K"
ticker: "RNAC"
cik: "0001453687"
company_name: "Cartesian Therapeutics, Inc."
filed_at: "2025-10-30T23:59:59+00:00"
generated_at: "2026-05-17T01:18:34.790043+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Cartesian Therapeutics Chair Carrie Cox resigns; CEO Carsten Brunn named Chairman, bylaw amended

## Summary
- Carrie Cox resigned from the Board and as Chair on Oct. 29, 2025, to focus on other commitments; not related to any disagreement.
- Carsten Brunn, Ph.D., CEO and Board member, appointed Chairman of the Board effective immediately.
- Patrick Zenner named Lead Independent Director; Kemal Malik appointed Chairman of the Compensation Committee.
- Board approved amended and restated Bylaws to incorporate references to Lead Independent Director.

## SEC filing metadata
- accession: 0001140361-25-039793
- form_type: 8-K
- ticker: RNAC
- cik: 0001453687
- company_name: Cartesian Therapeutics, Inc.
- filed_at: 2025-10-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1453687/000114036125039793/0001140361-25-039793-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1453687/000114036125039793/ef20057980_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-039793
- JSON: https://secwatch.observer/filing/0001140361-25-039793.json
- Plain text: https://secwatch.observer/filing/0001140361-25-039793.txt

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