0000950170-23-052693.txt : 20231010
0000950170-23-052693.hdr.sgml : 20231010
20231010171944
ACCESSION NUMBER: 0000950170-23-052693
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231005
FILED AS OF DATE: 20231010
DATE AS OF CHANGE: 20231010
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Jackson Scott Thomas
CENTRAL INDEX KEY: 0001566617
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38266
FILM NUMBER: 231318787
MAIL ADDRESS:
STREET 1: 303B COLLEGE ROAD EAST
CITY: PRINCETON
STATE: NJ
ZIP: 08540
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
ownership.xml
4
X0508
4
2023-10-05
0001701108
Spero Therapeutics, Inc.
SPRO
0001566617
Jackson Scott Thomas
C/O SPERO THERAPEUTICS, INC.
675 MASSACHUSETTS AVENUE, 14TH FLOOR
CAMBRIDGE
MA
02139
true
false
false
false
false
Common Stock
2023-10-05
4
A
false
20000
0.00
A
35000
D
Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest on October 5, 2024, subject to the Reporting Person's continued service through the applicable vesting date.
/s/ Tamara Joseph, Attorney-in-Fact for Scott Thomas Jackson
2023-10-10