SELLAS Life Sciences Group, Inc. — All Filings
1,000 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
10-Q/A
3
4
4/A
424B2
424B3
424B4
424B5
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
DEL AM
EFFECT
FWP
NO ACT
NT 10-K
NT 10-Q
POS AM
POS EX
PRE 14A
PRER14A
REGDEX
RW
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001104659-25-007049 | Jan 29, 2025 | Jan 28, 2025 |
| 8-K | FORM 8-K | 0001104659-25-005648 | Jan 23, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-004107 | Jan 16, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003501 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003494 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003502 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003495 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003496 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003497 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003499 | Jan 14, 2025 | Jan 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-003498 | Jan 14, 2025 | Jan 10, 2025 |
| 8-K | FORM 8-K | 0001104659-24-127231 | Dec 10, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-125943 | Dec 5, 2024 | Dec 4, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-125944 | Dec 5, 2024 | Dec 4, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-125942 | Dec 5, 2024 | Dec 4, 2024 |
| 10-Q | 10-Q | 0001390478-24-000021 | Nov 13, 2024 | Sep 30, 2024 |
| 8-K | 8-K | 0001390478-24-000022 | Nov 13, 2024 | — |
| SC 13G/A | SELLAS LIFE SCIENCES GROUP, INC. | 0000902664-24-006350 | Nov 8, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-106261 | Oct 4, 2024 | Oct 3, 2024 |
| 10-Q | 10-Q | 0001390478-24-000015 | Aug 13, 2024 | Jun 30, 2024 |
| 8-K | 8-K | 0001390478-24-000016 | Aug 13, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-084952 | Aug 1, 2024 | Jul 30, 2024 |
| 424B5 | 424B5 | 0001104659-24-084492 | Aug 1, 2024 | — |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-075657 | Jun 27, 2024 | Jun 20, 2024 |
| 8-K | FORM 8-K | 0001104659-24-073957 | Jun 21, 2024 | Jun 20, 2024 |
| 10-Q | 10-Q | 0001390478-24-000010 | May 14, 2024 | Mar 31, 2024 |
| 8-K | 8-K | 0001390478-24-000011 | May 14, 2024 | — |
| EFFECT | — | 9999999995-24-001306 | May 1, 2024 | — |
| EFFECT | — | 9999999995-24-001307 | May 1, 2024 | — |
| ARS | ARS | 0001140361-24-023151 | Apr 30, 2024 | Dec 31, 2023 |
| S-3/A | S-3/A | 0001104659-24-054040 | Apr 29, 2024 | — |
| DEF 14A | DEF 14A | 0001104659-24-054004 | Apr 29, 2024 | Jun 20, 2024 |
| CORRESP | — | 0001104659-24-054056 | Apr 29, 2024 | — |
| CORRESP | — | 0001104659-24-054057 | Apr 29, 2024 | — |
| DEFA14A | DEFA14A | 0001104659-24-054027 | Apr 29, 2024 | — |
| UPLOAD | — | 0000000000-24-003521 | Apr 2, 2024 | — |
| UPLOAD | — | 0000000000-24-003522 | Apr 2, 2024 | — |
| D | — | 0001390478-24-000006 | Mar 29, 2024 | — |
| 8-K | 8-K | 0001390478-24-000005 | Mar 28, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-040176 | Mar 28, 2024 | — |
| S-3 | FORM S-3 | 0001104659-24-040585 | Mar 28, 2024 | — |
| S-3 | FORM S-3 | 0001104659-24-040589 | Mar 28, 2024 | — |
| 10-K | 10-K | 0001390478-24-000004 | Mar 28, 2024 | Dec 31, 2023 |
| 424B5 | 424B5 | 0001104659-24-035594 | Mar 18, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-035028 | Mar 15, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-032964 | Mar 11, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-032384 | Mar 8, 2024 | Mar 6, 2024 |
| 8-K | FORM 8-K | 0001104659-24-030997 | Mar 5, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-024898 | Feb 16, 2024 | Feb 14, 2024 |
| SC 13G | SELLAS LIFE SCIENCES GROUP, INC. | 0000902664-24-001224 | Feb 7, 2024 | — |