0001764925-21-000065.txt : 20210405 0001764925-21-000065.hdr.sgml : 20210405 20210405171947 ACCESSION NUMBER: 0001764925-21-000065 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210401 FILED AS OF DATE: 20210405 DATE AS OF CHANGE: 20210405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Butterfield Stewart CENTRAL INDEX KEY: 0001775610 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38926 FILM NUMBER: 21806636 MAIL ADDRESS: STREET 1: CO/ SLACK TECHNOLOGIES, INC. 500 HOWARD STREET 2: 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-PREPACKAGED SOFTWARE [7372] 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_161765752567181.xml FORM 4 X0306 4 2021-04-01 0 0001764925 Slack Technologies, Inc. WORK 0001775610 Butterfield Stewart C/O SLACK TECHNOLOGIES, INC. 500 HOWARD STREET SAN FRANCISCO, CA 94105 1 1 0 0 Chief Executive Officer Class A Common Stock 2021-04-01 4 C 0 228801 0 A 1325818 D Class A Common Stock 2021-04-01 4 S 0 102148 41.22 D 1223670 D Restricted Stock Units 2021-04-01 4 M 0 228801 0 D 2023-06-08 Class B Common Stock 228801.0 305068 D Class B Common Stock 2021-04-01 4 M 0 228801 0 A Class A Common Stock 228801.0 38584666 D Class B Common Stock 2021-04-01 4 C 0 228801 0 D Class A Common Stock 228801.0 38355865 D Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date. Shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). Each RSU represents the right to receive one share of Class B Common Stock. The RSUs are subject to time-based and performance-based vesting criteria. The time-based vesting occurred with respect to 130,743 of the units on October 1, 2017; and the remaining units vested at a rate of 4.286% of the total RSU grant per quarter thereafter until June 20, 2019, at which point the remaining unvested units began vesting at a rate of 7.5% of the total RSU grant per quarter, subject, in each case, to the Reporting Persons's continued service with the Issuer on each such date. The performance-based criteria was satisfied upon the Issuer's listing and public trading of its Class A Common Stock on June 20, 2019. /s/ David Schellhase, as Attorney-in-Fact 2021-04-05