0000935836-23-000438.txt : 20230605 0000935836-23-000438.hdr.sgml : 20230605 20230605160908 ACCESSION NUMBER: 0000935836-23-000438 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230526 FILED AS OF DATE: 20230605 DATE AS OF CHANGE: 20230605 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: EcoR1 Capital, LLC CENTRAL INDEX KEY: 0001587114 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40603 FILM NUMBER: 23992537 BUSINESS ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 BUSINESS PHONE: 415-448-6534 MAIL ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TScan Therapeutics, Inc. CENTRAL INDEX KEY: 0001783328 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 825282075 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 880 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 857-399-9500 MAIL ADDRESS: STREET 1: 880 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 3 1 ownership.xml X0206 3 2023-05-26 0 0001783328 TScan Therapeutics, Inc. TCRX 0001587114 EcoR1 Capital, LLC 357 TEHAMA ST., #3 SAN FRANCISCO CA 94103 0 0 1 0 Voting Common Stock 5000000 I See Notes 1 and 2 The filing persons (the "Filers") are EcoR1 Capital, LLC ("EcoR1"), Oleg Nodelman and EcoR1 Capital Fund Qualified, L.P. ("Qualified Fund"). EcoR1 is the general partner and investment adviser of private funds, including Qualified Fund (collectively, the "Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1. EcoR1 is filing this Form 3 for itself, Mr. Nodelman and Qualified Fund. The Filers are filing this Form 3 jointly, but not as a group, and each expressly disclaims membership in a group, within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934, as amended. The Funds hold these securities directly for the benefit of their investors. EcoR1 indirectly beneficially owns them as the investment adviser to the Funds, and Mr. Nodelman indirectly beneficially owns them as the control person of EcoR1. The Filers disclaim beneficial ownership of such ecurities except to the extent of their respective pecuniary interests therein. Qualified Fund directly holds 4,640,415 of the shares of Voting Common Stock reported in this Form 3. Oleg Nodelman 2023-06-05