Christopher Jewell - Jan 10, 2025 Form 4 Insider Report for Cartesian Therapeutics, Inc. (RNAC)

Role: Chief Scientific Officer
Signature: /s/ Matthew Bartholomae, Attorney-in-Fact for Christopher Jewell
Stock symbol: RNAC
Transactions as of: Jan 10, 2025
Transactions value $: $29,070
Form type: 4
Date filed: 1/13/2025, 04:09 PM
Previous filing: Jan 7, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RNAC	Common Stock	Options Exercise	$29.1K	+9K	+16.83%	$3.23	62.5K	Jan 10, 2025	Direct

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)	Options Exercise		-9K	-11.78%		67.4K	Jan 10, 2025	Common Stock	9K	$3.23	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option is currently exercisable for an additional 51,089 shares of Common Stock and becomes exercisable for an additional 2,969 shares of Common Stock each month until it is fully exercisable on June 16, 2025.
F2	On November 13, 2023, the Issuer acquired the private Delaware corporation which was then known as Cartesian Therapeutics, Inc. ("Old Cartesian") in accordance with the terms of an Agreement and Plan of Merger, dated November 13, 2023. Options to purchase Old Cartesian common stock held by the reporting person were converted into options to purchase shares of the Issuer's Series A Preferred Stock in connection with the merger. On April 8, 2024, these options previously exercisable for shares of Series A Preferred Stock became exercisable solely for shares of the Issuer's Common Stock.

Content

The option is currently exercisable for an additional 51,089 shares of Common Stock and becomes exercisable for an additional 2,969 shares of Common Stock each month until it is fully exercisable on June 16, 2025.

On November 13, 2023, the Issuer acquired the private Delaware corporation which was then known as Cartesian Therapeutics, Inc. ("Old Cartesian") in accordance with the terms of an Agreement and Plan of Merger, dated November 13, 2023. Options to purchase Old Cartesian common stock held by the reporting person were converted into options to purchase shares of the Issuer's Series A Preferred Stock in connection with the merger. On April 8, 2024, these options previously exercisable for shares of Series A Preferred Stock became exercisable solely for shares of the Issuer's Common Stock.