0000950170-23-045441.txt : 20230830
0000950170-23-045441.hdr.sgml : 20230830
20230830162021
ACCESSION NUMBER: 0000950170-23-045441
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230828
FILED AS OF DATE: 20230830
DATE AS OF CHANGE: 20230830
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: 231225488
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
2023-08-28
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
true
Common Stock
2023-08-28
4
S
false
1854
1.26
D
576663
D
Common Stock
2023-08-29
4
S
false
4163
1.30
D
572500
D
The reported transaction is a sale of common stock effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted to the Reporting Person on August 26, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.
The reported transaction is a sale of common stock pursuant to a preexisting 10b5-1 plan upon the vesting of RSUs that were granted to the Reporting Person on August 26, 2021.
/s/ Tamara Joseph, Attorney-in-Fact for Sath Shukla
2023-08-30