0000950170-23-037973.txt : 20230803
0000950170-23-037973.hdr.sgml : 20230803
20230803161053
ACCESSION NUMBER: 0000950170-23-037973
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230801
FILED AS OF DATE: 20230803
DATE AS OF CHANGE: 20230803
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Shukla Sath
CENTRAL INDEX KEY: 0001782817
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38266
FILM NUMBER: 231140059
MAIL ADDRESS:
STREET 1: C/O ZIOPHARM ONCOLOGY, INC.
STREET 2: ONE FIRST AVENUE, PARRIS BUILDING #34
CITY: BOSTON
STATE: MA
ZIP: 02129
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
2023-08-01
0001701108
Spero Therapeutics, Inc.
SPRO
0001782817
Shukla Sath
C/O SPERO THERAPEUTICS, INC.
675 MASSACHUSETTS AVENUE, 14TH FLOOR
CAMBRIDGE
MA
02139
true
true
false
false
CEO and President
false
Common Stock
2023-08-01
4
A
false
266000
0
A
578517
D
Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in four equal annual installments beginning on August 1, 2024, subject to the Reporting Person's continued service through the applicable vesting date.
/s/ Tamara Joseph, Attorney-in-Fact for Sath Shukla
2023-08-03