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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 27, 2025
CARTESIAN THERAPEUTICS, INC.
(Exact name of registrant as specified in its charter)

Delaware |  | 001-37798 |  | 26-1622110
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

7495 New Horizon Way, Frederick, MD 21703
(Address of principal executive offices)(Zip Code)
(301) 348-8698
Registrant’s telephone number, including area code
N/A
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock (Par Value $0.0001) | RNAC | The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 8.01. Other Information.
On January 27, 2025, Cartesian Therapeutics, Inc. (the “Company”) issued a press release announcing that it has received written agreement from the U.S. Food and Drug Administration under the Special Protocol Assessment process on the overall design of the Company’s Phase 3 AURORA trial for Descartes-08, its lead mRNA cell therapy candidate, in myasthenia gravis. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits

Exhibit No. |  | Exhibit Description
99.1 |  | Press release of Cartesian Therapeutics, Inc. issued on January 27, 2025.
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| CARTESIAN THERAPEUTICS, INC.
Date: January 27, 2025 | By: | /s/ Carsten Brunn, Ph.D.
|  | Carsten Brunn, Ph.D.
|  | President and Chief Executive Officer