# Filing Detail

Form 424B4 - Prospectus [Rule 424(b)(4)]:
SEC Accession No. 0001193125-18-217909
Filing Date
2018-07-13
Accepted
2018-07-13 16:51:14
Documents
13

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 424B4 | d521849d424b4.htm | 424B4 | 2418150
2 | GRAPHIC | g521849g14h50.jpg | GRAPHIC | 144801
3 | GRAPHIC | g521849g25i47.jpg | GRAPHIC | 98910
4 | GRAPHIC | g521849g32e47.jpg | GRAPHIC | 48399
5 | GRAPHIC | g521849g40c11.jpg | GRAPHIC | 92084
6 | GRAPHIC | g521849g41w64.jpg | GRAPHIC | 89429
7 | GRAPHIC | g521849g48n25.jpg | GRAPHIC | 55355
8 | GRAPHIC | g521849g51q40.jpg | GRAPHIC | 50531
9 | GRAPHIC | g521849g65v09.jpg | GRAPHIC | 191612
10 | GRAPHIC | g521849g78m75.jpg | GRAPHIC | 86180
11 | GRAPHIC | g521849g81r65.jpg | GRAPHIC | 69059
12 | GRAPHIC | g521849g86o64.jpg | GRAPHIC | 115236
13 | GRAPHIC | g521849g92g41.jpg | GRAPHIC | 72197
| Complete submission text file | 0001193125-18-217909.txt |  | 3954617

Mailing Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139
Business Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139 857-242-1600
Spero Therapeutics, Inc. (Filer) CIK: 0001701108 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B4 | Act: 33 | File No.: 333-226093 | Film No.: 18952996
SIC: 2834 Pharmaceutical Preparations