0001453687-23-000087.txt : 20231115 0001453687-23-000087.hdr.sgml : 20231115 20231115172010 ACCESSION NUMBER: 0001453687-23-000087 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231113 FILED AS OF DATE: 20231115 DATE AS OF CHANGE: 20231115 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SPRINGER TIMOTHY A CENTRAL INDEX KEY: 0001055624 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37798 FILM NUMBER: 231411615 MAIL ADDRESS: STREET 1: 36 WOODMAN ROAD CITY: CHESTNUT HILL STATE: MA ZIP: 02467 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Cartesian Therapeutics, Inc. CENTRAL INDEX KEY: 0001453687 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 65 GROVE STREET CITY: WATERTOWN STATE: MA ZIP: 02472 BUSINESS PHONE: 617-923-1400 MAIL ADDRESS: STREET 1: 65 GROVE STREET CITY: WATERTOWN STATE: MA ZIP: 02472 FORMER COMPANY: FORMER CONFORMED NAME: SELECTA BIOSCIENCES INC DATE OF NAME CHANGE: 20090109 4 1 wk-form4_1700086801.xml FORM 4 X0508 4 2023-11-13 0 0001453687 Cartesian Therapeutics, Inc. RNAC 0001055624 SPRINGER TIMOTHY A 36 WOODMAN ROAD CHESTNUT HILL MA 02467 1 0 1 0 0 Series A Convertible Preferred Stock 2023-11-15 4 A 0 24785.081 403.4685 A 24785.081 I See Footnote Series A Convertible Preferred Stock 2023-11-15 4 A 0 123925.407 403.4685 A 123925.407 D Common Stock 86418 I By wife Common Stock 7293625 D Common Stock 29868490 I See Footnote Stock Option (Right to Buy) 17.47 2023-11-13 4 D 0 6410 D 2027-06-15 Common Stock 6410 0 D Stock Option (Right to Buy) 12.75 2023-11-13 4 D 0 10000 D 2028-06-14 Common Stock 10000 0 D Stock Option (Right to Buy) 2.10 2023-11-13 4 D 0 10000 D 2029-06-13 Common Stock 10000 0 D Stock Option (Right to Buy) 3 2023-11-13 4 D 0 20000 D 2030-06-18 Common Stock 20000 0 D Stock Option (Right to Buy) 4.01 2023-11-13 4 D 0 40000 D 2031-03-29 Common Stock 40000 0 D Stock Option (Right to Buy) 3.31 2023-11-13 4 D 0 40000 D 2032-01-02 Common Stock 40000 0 D Stock Option (Right to Buy) 1.13 2023-11-13 4 D 0 75000 0.93 D 2033-01-01 Common Stock 75000 0 D Held by TAS Partners LLC. The reporting person is the managing member of TAS Partners LLC. The reporting person disclaims beneficial ownership of the securities held by TAS Partners LLC except to the extent of his pecuniary interest therein, if any. This option, which provided for vesting in full on June 14, 2018, was canceled in the merger (the "Merger") between Selecta Biosciences, Inc. and Cartesian Therapeutics, Inc. This option, which provided for vesting in full on June 13, 2019, was canceled in the Merger. This option, which provided for vesting in full on June 14, 2020, was canceled in the Merger. This option, which provided for vesting in full on June 17, 2021, was canceled in the Merger. This option, which provided for vesting in full on March 30, 2022, was canceled in the Merger. This option, which provided for vesting in full on January 3, 2023, was canceled in the Merger. This option, which provided for vesting in full on January 2, 2024, was canceled in the Merger in exchange for a cash payment of $69,750, representing the difference between the exercise price of the option and $2.06, the Cash-out Amount as applied in the Merger. /s/ Matthew Bartholomae, Attorney-in-Fact for Timothy A. Springer 2023-11-15