---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-011282"
form_type: "8-K"
ticker: "RNAC"
cik: "0001453687"
company_name: "Cartesian Therapeutics, Inc."
filed_at: "2024-03-05T23:59:59+00:00"
generated_at: "2026-06-05T03:43:09.893768+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Cartesian leases 20K sq ft cGMP facility in Frederick, MD; director resigns

## Summary
- Leased ~20,000 sq ft manufacturing/office space at 7495 New Horizon Way, Frederick, MD.
- Initial term from April 2024 to May 2031 (7 years) with one 5-year extension option.
- Base rent $902,353/year ($47/sq ft) with 3% annual escalation.
- Director Aymeric Sallin resigned from board effective immediately, not due to disagreement.
- Facility to support cGMP manufacturing for autoimmune disease pipeline; Phase 2b Descartes-08 data due mid-2024.

## SEC filing metadata
- accession: 0001140361-24-011282
- form_type: 8-K
- ticker: RNAC
- cik: 0001453687
- company_name: Cartesian Therapeutics, Inc.
- filed_at: 2024-03-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1453687/000114036124011282/0001140361-24-011282-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1453687/000114036124011282/ef20023144_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-011282
- JSON: https://secwatch.observer/filing/0001140361-24-011282.json
- Plain text: https://secwatch.observer/filing/0001140361-24-011282.txt

## Key facts
- Executive change
  Aymeric Sallin resigned as Director at Cartesian Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: On February 28, 2024, Aymeric Sallin, a member of the Board of Directors (the “Board”) of the Company, notified the Company of his resignation from the Board, effective immediately, to pursue other opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1453687/000114036124011282/0001140361-24-011282-index.htm
- Material Agreements
  Cartesian Therapeutics, Inc. entered into Lease Agreement with 7495 RP, LLC valued at Initial base rent of $902,353 per year for approximately 20,000 leasable square feet (effective 2024-02-28).
  - Action: entry
  - Agreement: lease
  - Counterparty: 7495 RP, LLC
  - Value: Initial base rent of $902,353 per year for approximately 20,000 leasable square feet
  - Effective: 2024-02-28
  source text: On February 28, 2024, Cartesian Therapeutics, Inc. (the “Company”) entered into a lease agreement with 7495 RP, LLC (the “Landlord”), pursuant to which the Company agreed to lease from the Landlord the manufacturing space located at 7495 New Horizon Way, Frederick, Maryland 21702 (the “Lease Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1453687/000114036124011282/0001140361-24-011282-index.htm

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