Spero Therapeutics, Inc. — DEF 14A Filings
8 DEF 14A filings on record
This page lists all DEF 14A 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 8 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001193125-25-100544 | Apr 28, 2025 | Jun 12, 2025 |
| DEF 14A | DEF 14A | 0001193125-24-097749 | Apr 16, 2024 | May 29, 2024 |
| DEF 14A | DEF 14A | 0001193125-23-227642 | Sep 1, 2023 | Oct 5, 2023 |
| DEF 14A | DEF 14A | 0001193125-22-213583 | Aug 5, 2022 | Sep 15, 2022 |
| DEF 14A | DEF 14A | 0001193125-21-208448 | Jul 6, 2021 | Aug 17, 2021 |
| DEF 14A | DEF 14A | 0001193125-20-259653 | Sep 30, 2020 | Oct 27, 2020 |
| DEF 14A | DEF 14A | 0001193125-19-122422 | Apr 26, 2019 | Jun 5, 2019 |
| DEF 14A | DEF14A | 0001193125-18-136751 | Apr 27, 2018 | Jun 5, 2018 |