0001764925-20-000365.txt : 20200513 0001764925-20-000365.hdr.sgml : 20200513 20200513170435 ACCESSION NUMBER: 0001764925-20-000365 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200511 FILED AS OF DATE: 20200513 DATE AS OF CHANGE: 20200513 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Henderson Cal CENTRAL INDEX KEY: 0001775683 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38926 FILM NUMBER: 20874054 MAIL ADDRESS: STREET 1: C/O SLACK TECHNOLOGIES, INC. STREET 2: 500 HOWARD STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Slack Technologies, Inc. CENTRAL INDEX KEY: 0001764925 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-TELEPHONE INTERCONNECT SYSTEMS [7385] IRS NUMBER: 264400325 STATE OF INCORPORATION: DE FISCAL YEAR END: 0131 BUSINESS ADDRESS: STREET 1: 500 HOWARD STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 BUSINESS PHONE: (415) 630-7943 MAIL ADDRESS: STREET 1: 500 HOWARD STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94105 4 1 wf-form4_158940385753183.xml FORM 4 X0306 4 2020-05-11 0 0001764925 Slack Technologies, Inc. WORK 0001775683 Henderson Cal C/O SLACK TECHNOLOGIES, INC. 500 HOWARD STREET SAN FRANCISCO, CA 94105 0 1 0 0 Chief Technology Officer Class A Common Stock 2020-05-11 4 S 0 1500 31 D 66275 I By trust Class A Common Stock 2020-05-12 4 S 0 1500 31.80 D 64775 I By trust Class A Common Stock 44972 D This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. Shares held of record by Cal Henderson and Rebecca Reeve Henderson, spouse of the Reporting Person, Trustees of The Henderson Family Trust u/a/d/ 7/21/2016. /s/ David Schellhase, as Attorney-in-Fact 2020-05-13