Spero Therapeutics, Inc. — 8-K Filings
109 8-K filings on record
This page lists all 8-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 109 8-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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001193125-26-126244 | Mar 26, 2026 | — |
| 8-K | 8-K | 0001193125-26-032004 | Jan 30, 2026 | — |
| 8-K | 8-K | 0001193125-25-325821 | Dec 19, 2025 | — |
| 8-K | 8-K | 0001193125-25-280518 | Nov 13, 2025 | — |
| 8-K | 8-K | 0001193125-25-178970 | Aug 12, 2025 | — |
| 8-K | 8-K | 0001193125-25-142807 | Jun 18, 2025 | Jun 12, 2025 |
| 8-K | 8-K | 0001193125-25-128680 | May 28, 2025 | — |
| 8-K | 8-K | 0001193125-25-118882 | May 13, 2025 | — |
| 8-K | 8-K | 0001193125-25-100433 | Apr 28, 2025 | Apr 22, 2025 |
| 8-K | 8-K | 0001193125-25-065633 | Mar 27, 2025 | — |
| 8-K | 8-K | 0001193125-25-042785 | Feb 28, 2025 | Feb 25, 2025 |
| 8-K | 8-K | 0001193125-25-004063 | Jan 10, 2025 | Jan 7, 2025 |
| 8-K | 8-K | 0001193125-24-258540 | Nov 14, 2024 | — |
| 8-K | 8-K | 0001193125-24-246627 | Oct 29, 2024 | — |
| 8-K | 8-K | 0001193125-24-216310 | Sep 10, 2024 | Sep 9, 2024 |
| 8-K | 8-K | 0001193125-24-193913 | Aug 5, 2024 | — |
| 8-K | 8-K | 0001193125-24-153034 | Jun 3, 2024 | May 29, 2024 |
| 8-K | 8-K | 0001193125-24-139364 | May 15, 2024 | — |
| 8-K | 8-K | 0001193125-24-082060 | Mar 29, 2024 | — |
| 8-K | 8-K | 0001193125-24-066825 | Mar 13, 2024 | — |
| 8-K | 8-K | 0001193125-24-029913 | Feb 9, 2024 | Feb 5, 2024 |
| 8-K | 8-K | 0001193125-24-003807 | Jan 8, 2024 | — |
| 8-K | 8-K | 0001193125-24-002894 | Jan 5, 2024 | — |
| 8-K | 8-K | 0001193125-24-000249 | Jan 2, 2024 | — |
| 8-K | 8-K | 0001193125-23-276030 | Nov 13, 2023 | — |
| 8-K | 8-K | 0001193125-23-267758 | Nov 1, 2023 | Oct 30, 2023 |
| 8-K | 8-K | 0001193125-23-253136 | Oct 10, 2023 | Oct 5, 2023 |
| 8-K | 8-K | 0001193125-23-209064 | Aug 10, 2023 | — |
| 8-K | 8-K | 0001193125-23-198589 | Jul 31, 2023 | — |
| 8-K | 8-K | 0001193125-23-166543 | Jun 14, 2023 | Jun 12, 2023 |
| 8-K | 8-K | 0001193125-23-142023 | May 11, 2023 | — |
| 8-K | 8-K | 0001193125-23-085566 | Mar 30, 2023 | — |
| 8-K | 8-K | 0001193125-23-021612 | Feb 1, 2023 | Jan 30, 2023 |
| 8-K | 8-K | 0001193125-23-004190 | Jan 9, 2023 | — |
| 8-K | 8-K | 0001193125-22-284579 | Nov 14, 2022 | — |
| 8-K | 8-K | 0001193125-22-279724 | Nov 8, 2022 | — |
| 8-K | 8-K | 0001193125-22-248772 | Sep 22, 2022 | Sep 21, 2022 |
| 8-K | 8-K | 0001193125-22-247168 | Sep 19, 2022 | Sep 15, 2022 |
| 8-K | 8-K | 0001193125-22-238439 | Sep 6, 2022 | — |
| 8-K | 8-K | 0001193125-22-217351 | Aug 10, 2022 | — |
| 8-K | 8-K | 0001193125-22-187190 | Jul 1, 2022 | — |
| 8-K | 8-K | 0001193125-22-182828 | Jun 27, 2022 | — |
| 8-K | 8-K | 0001193125-22-169252 | Jun 7, 2022 | — |
| 8-K | 8-K | 0001193125-22-151708 | May 16, 2022 | — |
| 8-K | 8-K | 0001193125-22-137586 | May 3, 2022 | — |
| 8-K | 8-K | 0001193125-22-097712 | Apr 7, 2022 | Apr 6, 2022 |
| 8-K | 8-K | 0001193125-22-091793 | Mar 31, 2022 | — |
| 8-K | 8-K | 0001193125-22-044007 | Feb 16, 2022 | — |
| 8-K | 8-K | 0001193125-22-016568 | Jan 25, 2022 | — |
| 8-K | 8-K | 0001193125-22-011967 | Jan 19, 2022 | — |