Spero Therapeutics, Inc. — All Filings
488 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 |
|---|---|---|---|---|
| 4 | 4 | 0000950170-24-101993 | Aug 29, 2024 | Aug 27, 2024 |
| 4 | 4 | 0000950170-24-092170 | Aug 6, 2024 | Aug 2, 2024 |
| S-8 | S-8 | 0001193125-24-193960 | Aug 5, 2024 | — |
| 10-Q | 10-Q | 0000950170-24-090782 | Aug 5, 2024 | Jun 30, 2024 |
| 8-K | 8-K | 0001193125-24-193913 | Aug 5, 2024 | — |
| 8-K | 8-K | 0001193125-24-153034 | Jun 3, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066619 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066624 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066622 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066625 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066652 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066617 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066659 | May 30, 2024 | May 29, 2024 |
| 4 | 4 | 0000950170-24-066616 | May 30, 2024 | May 29, 2024 |
| 10-Q | 10-Q | 0000950170-24-060400 | May 15, 2024 | Mar 31, 2024 |
| 8-K | 8-K | 0001193125-24-139364 | May 15, 2024 | — |
| ARS | ARS | 0001193125-24-097774 | Apr 16, 2024 | Dec 31, 2023 |
| DEF 14A | DEF 14A | 0001193125-24-097749 | Apr 16, 2024 | May 29, 2024 |
| DEFA14A | DEFA14A | 0001193125-24-097763 | Apr 16, 2024 | — |
| 8-K | 8-K | 0001193125-24-082060 | Mar 29, 2024 | — |
| EFFECT | — | 9999999995-24-000719 | Mar 22, 2024 | — |
| CORRESP | — | 0001193125-24-072581 | Mar 20, 2024 | — |
| UPLOAD | — | 0000000000-24-003036 | Mar 20, 2024 | — |
| S-8 | S-8 | 0001193125-24-069149 | Mar 15, 2024 | — |
| S-3 | S-3 | 0001193125-24-069196 | Mar 15, 2024 | — |
| 8-K | 8-K | 0001193125-24-066825 | Mar 13, 2024 | — |
| 10-K | 10-K | 0000950170-24-030767 | Mar 13, 2024 | Dec 31, 2023 |
| SC 13G | SC 13G | 0001193125-24-036304 | Feb 14, 2024 | — |
| 8-K | 8-K | 0001193125-24-029913 | Feb 9, 2024 | Feb 5, 2024 |
| 4 | 4 | 0000950170-24-011501 | Feb 5, 2024 | Feb 1, 2024 |
| 4 | 4 | 0000950170-24-011496 | Feb 5, 2024 | Feb 2, 2024 |
| 144 | — | 0001950047-24-000665 | Feb 5, 2024 | — |
| 4 | 4 | 0000950170-24-011490 | Feb 5, 2024 | Feb 1, 2024 |
| 4 | 4 | 0000950170-24-011487 | Feb 5, 2024 | Feb 1, 2024 |
| 4 | 4 | 0000950170-24-011491 | Feb 5, 2024 | Feb 1, 2024 |
| 4 | 4 | 0000950170-24-011494 | Feb 5, 2024 | Feb 1, 2024 |
| 8-K | 8-K | 0001193125-24-003807 | Jan 8, 2024 | — |
| 8-K | 8-K | 0001193125-24-002894 | Jan 5, 2024 | — |
| 4 | 4 | 0000950170-24-001971 | Jan 4, 2024 | Jan 2, 2024 |
| 8-K | 8-K | 0001193125-24-000249 | Jan 2, 2024 | — |
| 3 | 3 | 0000950170-23-064185 | Nov 15, 2023 | Nov 6, 2023 |
| 4 | 4 | 0000950170-23-064189 | Nov 15, 2023 | Nov 13, 2023 |
| S-8 | S-8 | 0001193125-23-276143 | Nov 13, 2023 | — |
| 10-Q | 10-Q | 0000950170-23-062897 | Nov 13, 2023 | Sep 30, 2023 |
| 8-K | 8-K | 0001193125-23-276030 | Nov 13, 2023 | — |
| S-8 | S-8 | 0001193125-23-276127 | Nov 13, 2023 | — |
| 8-K | 8-K | 0001193125-23-267758 | Nov 1, 2023 | Oct 30, 2023 |
| 8-K/A | 8-K/A | 0001193125-23-256865 | Oct 16, 2023 | Oct 5, 2023 |
| 4 | 4 | 0000950170-23-052716 | Oct 10, 2023 | Oct 5, 2023 |
| 4 | 4 | 0000950170-23-052721 | Oct 10, 2023 | Oct 5, 2023 |