Carsten Brunn - 06 Jan 2026 Form 4 Insider Report for Cartesian Therapeutics, Inc. (RNAC)

Signature
/s/ Matthew Bartholomae, Attorney-in-Fact for Carsten Brunn
Issuer symbol
RNAC
Transactions as of
06 Jan 2026
Net transactions value
-$162,077
Form type
4
Filing time
08 Jan 2026, 16:20:02 UTC
Previous filing
06 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brunn Carsten President and CEO, Director C/O CARTESIAN THERAPEUTICS, INC., 7495 NEW HORIZON WAY, FREDERICK /s/ Matthew Bartholomae, Attorney-in-Fact for Carsten Brunn 08 Jan 2026 0001760229

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RNAC Common Stock Sale $162,077 -23,766 -6.8% $6.82 323,530 06 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock units and to cover related broker fees.