Spero Therapeutics, Inc. — S-8 Filings
15 S-8 filings on record
This page lists all S-8 filings submitted to the SEC by Spero Therapeutics, Inc. (SPRO), sorted by most recent first. Each row links to the full filing on EdgarLookup. Spero Therapeutics, Inc. has filed 15 S-8 documents with the SEC since 2017. To view all SEC filings by Spero Therapeutics, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
144
3
4
424B4
424B5
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DRS
DRS/A
DRSLTR
EFFECT
PRE 14A
S-1
S-1/A
S-3
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| S-8 | S-8 | 0001193125-25-179082 | Aug 12, 2025 | — |
| S-8 | S-8 | 0001193125-24-193960 | Aug 5, 2024 | — |
| S-8 | S-8 | 0001193125-24-069149 | Mar 15, 2024 | — |
| S-8 | S-8 | 0001193125-23-276143 | Nov 13, 2023 | — |
| S-8 | S-8 | 0001193125-23-276127 | Nov 13, 2023 | — |
| S-8 | S-8 | 0001193125-23-209085 | Aug 10, 2023 | — |
| S-8 | S-8 | 0001193125-23-085694 | Mar 30, 2023 | — |
| S-8 | S-8 | 0001193125-22-284615 | Nov 14, 2022 | — |
| S-8 | S-8 | 0001193125-21-277265 | Sep 20, 2021 | — |
| S-8 | S-8 | 0001193125-21-077939 | Mar 11, 2021 | — |
| S-8 | S-8 | 0001193125-20-211997 | Aug 6, 2020 | — |
| S-8 | S-8 | 0001193125-20-079102 | Mar 19, 2020 | — |
| S-8 | S-8 | 0001193125-19-074912 | Mar 14, 2019 | — |
| S-8 | S-8 | 0001193125-19-074902 | Mar 14, 2019 | — |
| S-8 | FORM S-8 | 0001193125-17-369542 | Dec 14, 2017 | — |