Exhibit 1

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree, as of November 22, 2023, that only one statement containing the information required by Schedule 13D, and each amendment thereto, need be filed with respect to the ownership of each of the undersigned of shares of common stock of Cartesian Therapeutics, Inc., a Delaware corporation, and the statement to which this Joint Filing Agreement is attached as Exhibit 1 is filed on behalf of each of the undersigned.

Murat Kalayoglu
/s/ Murat Kalayoglu
SEVEN ONE EIGHT THREE FOUR IRREVOCABLE TRUST
By:	/s/ Sinan Kalayoglu
	Sinan Kalayoglu, Trustee
ELIZABETH HOGE
	/s/ Elizabeth Hoge
SINAN KALAYOGLU
	/s/ Sinan Kalayoglu