# Filing Detail

Form S-1/A - General form for registration of securities under the Securities Act of 1933: [Amend]
SEC Accession No. 0001193125-18-216210
Filing Date
2018-07-11
Accepted
2018-07-11 17:30:37
Documents
18

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | S-1/A | d521849ds1a.htm | S-1/A | 2526691
2 | EX-1.1 | d521849dex11.htm | EX-1.1 | 189326
3 | EX-3.3 | d521849dex33.htm | EX-3.3 | 84384
4 | EX-5.1 | d521849dex51.htm | EX-5.1 | 9992
5 | EX-23.1 | d521849dex231.htm | EX-23.1 | 1388
6 | GRAPHIC | g521849dsp47.jpg | GRAPHIC | 2677
7 | GRAPHIC | g521849g14h50.jpg | GRAPHIC | 144801
8 | GRAPHIC | g521849g25i47.jpg | GRAPHIC | 98910
9 | GRAPHIC | g521849g32e47.jpg | GRAPHIC | 48399
10 | GRAPHIC | g521849g40c11.jpg | GRAPHIC | 92084
11 | GRAPHIC | g521849g41w64.jpg | GRAPHIC | 89429
12 | GRAPHIC | g521849g48n25.jpg | GRAPHIC | 55355
13 | GRAPHIC | g521849g51q40.jpg | GRAPHIC | 50531
14 | GRAPHIC | g521849g65v09.jpg | GRAPHIC | 191612
15 | GRAPHIC | g521849g78m75.jpg | GRAPHIC | 86180
16 | GRAPHIC | g521849g81r65.jpg | GRAPHIC | 69059
17 | GRAPHIC | g521849g86o64.jpg | GRAPHIC | 115236
18 | GRAPHIC | g521849g92g41.jpg | GRAPHIC | 72197
| Complete submission text file | 0001193125-18-216210.txt |  | 4352087

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: S-1/A | Act: 33 | File No.: 333-226093 | Film No.: 18949280
SIC: 2834 Pharmaceutical Preparations