0001104659-21-021868.txt : 20210212 0001104659-21-021868.hdr.sgml : 20210212 20210212160006 ACCESSION NUMBER: 0001104659-21-021868 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210212 DATE AS OF CHANGE: 20210212 EFFECTIVENESS DATE: 20210212 FILER: COMPANY DATA: COMPANY CONFORMED NAME: FirstMark Capital I GP, LLC CENTRAL INDEX KEY: 0001666572 IRS NUMBER: 134298112 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17198 FILM NUMBER: 21626949 BUSINESS ADDRESS: STREET 1: 100 5TH AVENUE, 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10011 BUSINESS PHONE: 212-792-2200 MAIL ADDRESS: STREET 1: 100 5TH AVENUE, 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10011 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001666572 XXXXXXXX 12-31-2020 12-31-2020 false FirstMark Capital I GP, LLC

100 5th Avenue, 3rd Floor New York NY 10011

13F HOLDINGS REPORT 028-17198 N Eric Cheung 212-792-2200 /s/ Eric Cheung New York NY 02-12-2021 0 0 0