Company: RNAC
Filing Date: 2025-05-08
Form Type: S-8
Source: 0001453687-25-000087
Chunk: 3

Company: Cartesian Therapeutics, Inc.
Filing Date: 2025-05-08
Form: S-8
Chunk 3
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 and Restated 2018 Employment Inducement Incentive Award Plan, and forms of award agreements thereunder (incorporated herein by reference to Exhibit 10.3 to the Registrant’s Annual Report on Form 10-K (File No. 001-37798) filed on March 13, 2025). |
| 107.1*           |     | Filing fee table.                                                                                                                                                                                                                                                                           |

* Filed herewith

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### SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets the requirements for filing on Form S-8 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Frederick, State of Maryland, as of May 8, 2025.

| CARTESIAN THERAPEUTICS, INC. |     |                                                     |
| By:                          |     | /s/ Carsten Brunn, Ph.D.                            |
|                              |     | Carsten Brunn, Ph.D.                                |
|                              |     | President and Chief Executive Officer, and Director |

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### POWER OF ATTORNEY
Each of the undersigned officers and directors of the registrant hereby severally constitutes and appoints Carsten Brunn, Ph.D. and Blaine Davis, and each of them singly (with full power to each of them to act alone), as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution in each of them, for him or her and in his or her name, place and stead, and in any and all capacities, to file and sign any and all amendments, including post-effective amendments, to this registration statement and any other registration statement for the same offering that is to be effective under Rule 462(b) of the Securities Act of 1933, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith and about the premises as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said