0001907093-24-000006.txt : 20240417 0001907093-24-000006.hdr.sgml : 20240417 20240417195713 ACCESSION NUMBER: 0001907093-24-000006 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240415 FILED AS OF DATE: 20240417 DATE AS OF CHANGE: 20240417 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sestanovich Elizabeth CENTRAL INDEX KEY: 0001907093 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39331 FILM NUMBER: 24852529 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] ORGANIZATION NAME: 06 Technology IRS NUMBER: 923978051 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_1713398223.xml FORM 4 X0508 4 2024-04-15 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 2024-04-15 4 F 0 395 2.19 D 147619 D Upon the vesting of 1,105 restricted stock units ("RSUs") previously granted to the reporting person, the Company withheld 395 shares to cover the reporting person's tax withholding obligation with respect to the vesting of such RSUs. Includes 174 shares received in connection with pro-rata distributions from OpenMail2, LLC to its members, for no consideration and in an exempt transaction under Rule 16a-9, since the Reporting Person's last reportable transaction filed on Form 4. Includes 33,316 unvested RSUs. /s/ Daniel Weinrot, Attorney-in-Fact for Elizabeth Sestanovich 2024-04-17