Adrian Ion Bot - 16 Dec 2025 Form 4 Insider Report for Cartesian Therapeutics, Inc. (RNAC)

Role
Director
Signature
/s/ Matthew Bartholomae, Attorney-in-fact for Adrian Ion Bot
Issuer symbol
RNAC
Transactions as of
16 Dec 2025
Net transactions value
$0
Form type
4
Filing time
18 Dec 2025, 17:05:19 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bot Adrian Ion Director C/O CARTESIAN THERAPEUTICS, INC., 7495 NEW HORIZON WAY, FREDRICK /s/ Matthew Bartholomae, Attorney-in-fact for Adrian Ion Bot 18 Dec 2025 0002101801

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RNAC Common Stock Award $0 +5,800 $0.000000 5,800 16 Dec 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RNAC Stock Option (Right to Buy) Award $0 +17,200 $0.000000 17,200 16 Dec 2025 Common Stock 17,200 $8.29 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit represents a contingent right to receive one share of common stock, which will vest in three equal annual installments following the date of grant so that the underlying shares will be fully vested on December 16, 2028.
F2 This award will vest in 36 equal monthly installments, so that it shall be fully vested on December 16, 2028.