0001907093-23-000014.txt : 20231017 0001907093-23-000014.hdr.sgml : 20231017 20231017200139 ACCESSION NUMBER: 0001907093-23-000014 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231016 FILED AS OF DATE: 20231017 DATE AS OF CHANGE: 20231017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sestanovich Elizabeth CENTRAL INDEX KEY: 0001907093 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39331 FILM NUMBER: 231330708 MAIL ADDRESS: STREET 1: C/O TREBIA ACQUISITION CORP. STREET 2: 41 MADISON AVENUE, SUITE 2020 CITY: NEW YORK STATE: NY ZIP: 10010 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: System1, Inc. CENTRAL INDEX KEY: 0001805833 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] IRS NUMBER: 981531250 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4235 REDWOOD AVENUE CITY: MARINA DEL REY STATE: CA ZIP: 90066 BUSINESS PHONE: 310-924-6037 MAIL ADDRESS: STREET 1: 4235 REDWOOD AVENUE CITY: MARINA DEL RAY STATE: CA ZIP: 90066 FORMER COMPANY: FORMER CONFORMED NAME: Trebia Acquisition Corp. DATE OF NAME CHANGE: 20200306 4 1 wk-form4_1697587290.xml FORM 4 X0508 4 2023-10-16 0 0001805833 System1, Inc. SST 0001907093 Sestanovich Elizabeth 4235 REDWOOD AVE LOS ANGELES CA 90066 0 1 0 0 Chief People Officer 0 Class A Common Stock 2023-10-16 4 F 0 383 1.19 D 164818 D Upon the vesting of 1.106 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 383 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. Includes 79,026 unvested RSUs. /s/ Daniel Weinrot, Attorney-in-Fact for Elizabeth Sestanovich 2023-10-17