Cartesian Therapeutics, Inc.

RNAC·NASDAQ·$6.45Share Price as of 11/2·$190MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202503/09/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/07/25

Disclosures

8-KCurrent report09/29/26 8-KCurrent report08/06/26 8-KCurrent report06/17/26 8-KCurrent report06/09/26 8-KCurrent report05/26/26

Prospectuses and Registrations

S-8Registration of securities for employees04/30/26 S-8Registration of securities for employees05/08/25 POS AMPost-effective amendment01/10/25 POS AMPost-effective amendment01/10/25 424B3Prospectus01/08/25

Proxies

DEF 14ADefinitive proxy04/28/26 DEFA14AAdditional proxy materials04/28/26 DEF 14ADefinitive proxy04/28/25 DEFA14AAdditional proxy materials04/28/25 DEF 14ADefinitive proxy08/16/24

Ownership

SC 13GBeneficial ownership08/13/26 144Proposed sale of securities06/09/26 144Proposed sale of securities06/02/26 SC 13G/ABeneficial ownership (amended)05/06/26 Form 4Insider transaction04/06/26

Other

EFFECTRequest for effectiveness01/13/25 EFFECTRequest for effectiveness01/13/25 EFFECTRequest for effectiveness01/08/25 EFFECTRequest for effectiveness01/08/25 EFFECTRequest for effectiveness01/08/25