0000899243-21-000691.txt : 20210106 0000899243-21-000691.hdr.sgml : 20210106 20210106162808 ACCESSION NUMBER: 0000899243-21-000691 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210104 FILED AS OF DATE: 20210106 DATE AS OF CHANGE: 20210106 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THOMAS FRANK E CENTRAL INDEX KEY: 0001242616 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38266 FILM NUMBER: 21510950 MAIL ADDRESS: STREET 1: C/O ORCHARD THERAPEUTICS STREET 2: 101 SEAPORT BOULEVARD, 7TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Spero Therapeutics, Inc. CENTRAL INDEX KEY: 0001701108 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 675 MASSACHUSETTS AVENUE STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-242-1600 MAIL ADDRESS: STREET 1: 675 MASSACHUSETTS AVENUE STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Spero Therapeutics, LLC DATE OF NAME CHANGE: 20170316 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-01-04 0 0001701108 Spero Therapeutics, Inc. SPRO 0001242616 THOMAS FRANK E C/O SPERO THERAPEUTICS, INC. 675 MASSACHUSETTS AVENUE, 14TH FLOOR CAMBRIDGE MA 02139 1 0 0 0 Stock Option (right to buy) 17.93 2021-01-04 4 A 0 1314 13.31 A 2031-01-04 Common Stock 1314 1314 D This stock option shall vest in four quarterly installments on the last day of each calendar quarter during the calendar year subject to the Reporting Person's continued service as a non-employee director. This stock option was issued to the Reporting Person, who elected to take stock options in lieu of $17,500 in cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation policy. /s/ Frank E. Thomas 2021-01-06