---
schema_version: "secwatch.filing_event.v1"
accession: "0001453687-26-000068"
form_type: "8-K"
ticker: "RNAC"
cik: "0001453687"
company_name: "Cartesian Therapeutics, Inc."
filed_at: "2026-03-30T23:59:59+00:00"
generated_at: "2026-05-15T08:21:41.428418+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Cartesian Therapeutics board member Murat Kalayoglu resigns effective March 31, 2026

## Summary
- Director Murat Kalayoglu, M.D., Ph.D. resigned from board effective March 31, 2026 to pursue other opportunities.
- He served as Chairman of Science and Technology Committee and on Nominating and Corporate Governance Committee.
- Resignation not due to any disagreement with the company on operations, policies, or practices.
- Kalayoglu had been on board since 2023; no replacement announced.

## SEC filing metadata
- accession: 0001453687-26-000068
- form_type: 8-K
- ticker: RNAC
- cik: 0001453687
- company_name: Cartesian Therapeutics, Inc.
- filed_at: 2026-03-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1453687/000145368726000068/0001453687-26-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1453687/000145368726000068/rnac-20260326.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001453687-26-000068
- JSON: https://secwatch.observer/filing/0001453687-26-000068.json
- Plain text: https://secwatch.observer/filing/0001453687-26-000068.txt

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