0001764925-21-000084.txt : 20210505 0001764925-21-000084.hdr.sgml : 20210505 20210505170311 ACCESSION NUMBER: 0001764925-21-000084 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210503 FILED AS OF DATE: 20210505 DATE AS OF CHANGE: 20210505 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: 21894381 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-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_162024856259276.xml FORM 4 X0306 4 2021-05-03 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 2021-05-03 4 C 0 5637 0 A 45374 D Class A Common Stock 2021-05-03 4 S 0 5637 42.07 D 39737 D Class A Common Stock 85655 I By trust Restricted Stock Units 2021-05-03 4 M 0 11250 0 D 2026-02-26 Class B Common Stock 11250.0 78750 D Class B Common Stock 2021-05-03 4 M 0 11250 0 A Class A Common Stock 11250.0 212903 D Class B Common Stock 2021-05-03 4 C 0 5637 0 D Class A Common Stock 5637.0 207266 D Class B Common Stock Class A Common Stock 13218173.0 13218173 I By trust Class B Common Stock Class A Common Stock 68721.0 68721 I By trust Class B Common Stock Class A Common Stock 222200.0 222200 I By trust Class B Common Stock Class A Common Stock 222200.0 222200 I By trust Class B Common Stock Class A Common Stock 68721.0 68721 I By trust Class B Common Stock Class A Common Stock 222200.0 222200 I By trust Class B Common Stock Class A Common Stock 222200.0 222200 I By trust Class B Common Stock Class A Common Stock 30044.0 30044 I See footnote 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). 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. 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 occurs in 16 equal quarterly installments commencing on May 1, 2019, subject to the Reporting Person'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 of Class A Common Stock on June 20, 2019. Shares held of record by Cal Henderson, Trustee of The Cal Henderson 2019 Grantor Retained Annuity Trust dated May 22, 2019. Shares held of record by First Republic Trust Company of Delaware LLC and Cal Henderson, Trustees of The Theodore Henderson GST Exempt Trust under the Cal Henderson Family 2019 Irrevocable Trust dated May 22, 2019. Shares held of record by First Republic Trust Company of Delaware LLC and Cal Henderson, Trustees of The William Franklin Henderson GST Exempt Trust under the Cal Henderson Family 2019 Irrevocable Trust dated May 22, 2019. Shares held of record by Rebecca Reeve Henderson, Trustee of The Rebecca Reeve Henderson 2019 Grantor Retained Annuity Trust dated May 22, 2019. Shares held of record by Rebecca Reeve Henderson, Trustee of The Rebecca Reeve Henderson 2019 Grantor Retained Annuity Trust dated May 22, 2019; Trustee of the Theodore Henderson GST Exempt Trust under the Rebecca Reeve Henderson Family 2019 Irrevocable Trust dated May 22, 2019; Trustee of the William Franklin Henderson GST Exempt Trust under Rebecca Reeve Henderson Family 2019 Irrevocable Trust dated May 22, 2019; and spouse of the Reporting Person, and as such, may be deemed to be beneficially held by the Reporting Person. Shares held of record by First Republic Trust Company of Delaware LLC and Rebecca Reeve Henderson, Trustees of The Theodore Henderson GST Exempt Trust under the Rebecca Reeve Henderson Family 2019 Irrevocable Trust dated May 22, 2019. Shares held of record by First Republic Trust Company of Delaware LLC and Rebecca Reeve Henderson, Trustees of The William Franklin Henderson GST Exempt Trust under the Rebecca Reeve Henderson Family 2019 Irrevocable Trust dated May 22, 2019. Shares held of record by Rebecca Reeve Henderson, spouse of the Reporting Person, and as such, may be deemed to be beneficially held by the Reporting Person. /s/ David Schellhase, as Attorney-in-Fact 2021-05-05