X4 Pharmaceuticals, Inc — All Filings
786 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-Q
144
3
4
4/A
424B1
424B3
424B5
425
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
D/A
DEF 14A
DEFA14A
DRS
DRS/A
DRSLTR
EFFECT
FWP
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| ARS | ARS | 0001501697-26-000033 | Mar 20, 2026 | Dec 31, 2025 |
| DEFA14A | DEFA14A | 0001501697-26-000032 | Mar 20, 2026 | — |
| DEF 14A | DEF 14A | 0001501697-26-000031 | Mar 20, 2026 | — |
| S-8 | S-8 | 0001501697-26-000021 | Mar 18, 2026 | — |
| 10-K | 10-K | 0001501697-26-000018 | Mar 17, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | — | 0000921895-26-000476 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001493152-26-007144 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001193125-26-054779 | Feb 17, 2026 | — |
| SCHEDULE 13G | — | 0001104659-26-016241 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001104659-26-015354 | Feb 13, 2026 | — |
| SCHEDULE 13G/A | — | 0000315066-26-000584 | Feb 5, 2026 | — |
| SCHEDULE 13G/A | — | 0000902664-26-000246 | Jan 15, 2026 | — |
| 4 | FORM 4 | 0001501697-26-000009 | Jan 7, 2026 | Jan 1, 2026 |
| 4 | FORM 4 | 0001501697-26-000007 | Jan 5, 2026 | Jan 1, 2026 |
| 4 | FORM 4 | 0001501697-26-000006 | Jan 5, 2026 | Jan 1, 2026 |
| 4 | FORM 4 | 0001501697-26-000005 | Jan 5, 2026 | Jan 1, 2026 |
| SCHEDULE 13G | — | 0001104659-25-112658 | Nov 14, 2025 | — |
| SCHEDULE 13G | — | 0000315066-25-002923 | Nov 7, 2025 | — |
| 10-Q | 10-Q | 0001501697-25-000043 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001501697-25-000041 | Nov 5, 2025 | — |
| SCHEDULE 13G | — | 0001193125-25-262560 | Nov 3, 2025 | — |
| 4 | FORM 4 | 0001339498-25-000004 | Oct 31, 2025 | Oct 29, 2025 |
| 4 | FORM 4 | 0002081729-25-000003 | Oct 31, 2025 | Oct 29, 2025 |
| 4 | FORM 4 | 0001276750-25-000004 | Oct 31, 2025 | Oct 29, 2025 |
| SCHEDULE 13D/A | — | 0001072613-25-000747 | Oct 29, 2025 | — |
| 4 | FORM 4 | 0001501697-25-000035 | Oct 27, 2025 | Oct 23, 2025 |
| 8-K | 8-K | 0001501697-25-000032 | Oct 27, 2025 | Oct 23, 2025 |
| 424B5 | 424B5 | 0001501697-25-000031 | Oct 24, 2025 | — |
| 424B5 | 424B5 | 0001501697-25-000027 | Oct 23, 2025 | — |
| SCHEDULE 13G | — | 0000902664-25-004474 | Oct 21, 2025 | — |
| SCHEDULE 13G | — | 0001104659-25-096741 | Oct 3, 2025 | — |
| 424B3 | 424B3 | 0001501697-25-000024 | Sep 18, 2025 | — |
| EFFECT | — | 9999999995-25-002994 | Sep 17, 2025 | — |
| 8-K | 8-K | 0001501697-25-000021 | Sep 17, 2025 | Sep 15, 2025 |
| CORRESP | — | 0001501697-25-000019 | Sep 15, 2025 | — |
| SCHEDULE 13G | — | 0001193125-25-203640 | Sep 15, 2025 | — |
| UPLOAD | — | 0000000000-25-009968 | Sep 15, 2025 | — |
| S-3 | S-3 | 0001501697-25-000017 | Sep 10, 2025 | — |
| S-8 | S-8 | 0001501697-25-000016 | Sep 10, 2025 | — |
| D | — | 0001470831-25-000145 | Aug 25, 2025 | — |
| 8-K | 8-K | 0001501697-25-000008 | Aug 25, 2025 | Aug 22, 2025 |
| SCHEDULE 13G | — | 0000921895-25-002347 | Aug 20, 2025 | — |
| SCHEDULE 13G | — | 0001172661-25-003668 | Aug 19, 2025 | — |
| SCHEDULE 13G | — | 0001641172-25-024646 | Aug 18, 2025 | — |
| SCHEDULE 13D | — | 0001104659-25-079821 | Aug 18, 2025 | — |
| SCHEDULE 13D/A | — | 0001072613-25-000643 | Aug 15, 2025 | — |
| 4 | FORM 4 | 0001628280-25-040444 | Aug 14, 2025 | Aug 12, 2025 |
| 3 | FORM 3 | 0001628280-25-040443 | Aug 14, 2025 | Aug 12, 2025 |
| 3 | FORM 3 | 0001628280-25-040442 | Aug 14, 2025 | Aug 12, 2025 |
| 4 | FORM 4 | 0001628280-25-040441 | Aug 14, 2025 | Aug 12, 2025 |