Spero Therapeutics, Inc. — 10-K Filings
9 10-K filings on record
This page lists all 10-K 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 9 10-K 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 |
|---|---|---|---|---|
| 10-K | 10-K | 0001193125-26-126192 | Mar 26, 2026 | Dec 31, 2025 |
| 10-K | 10-K | 0000950170-25-046125 | Mar 27, 2025 | Dec 31, 2024 |
| 10-K | 10-K | 0000950170-24-030767 | Mar 13, 2024 | Dec 31, 2023 |
| 10-K | 10-K | 0000950170-23-010921 | Mar 30, 2023 | Dec 31, 2022 |
| 10-K | 10-K | 0000950170-22-005194 | Mar 31, 2022 | Dec 31, 2021 |
| 10-K | 10-K | 0001564590-21-012514 | Mar 11, 2021 | Dec 31, 2020 |
| 10-K | 10-K | 0001564590-20-010998 | Mar 16, 2020 | Dec 31, 2019 |
| 10-K | 10-K | 0001564590-19-007805 | Mar 14, 2019 | Dec 31, 2018 |
| 10-K | 10-K | 0001564590-18-007402 | Apr 2, 2018 | Dec 31, 2017 |