PROTHENA CORP PUBLIC LTD CO — All Filings
971 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.
All
10-12B
10-12B/A
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B3
424B4
424B5
5
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
EFFECT
POS AM
POSASR
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3ASR
S-3MEF
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| ARS | ARS | 0001140361-26-011743 | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | DEFA14A | 0001140361-26-011737 | Mar 27, 2026 | — |
| DEF 14A | DEF 14A | 0001559053-26-000012 | Mar 27, 2026 | May 14, 2026 |
| 4 | — | 0000905148-26-001182 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001181 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001180 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001179 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001178 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001177 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0000905148-26-001176 | Mar 5, 2026 | Mar 3, 2026 |
| EFFECT | — | 9999999995-26-000697 | Mar 2, 2026 | — |
| 8-K | 8-K | 0001559053-26-000009 | Feb 27, 2026 | — |
| POS AM | POS AM | 0001193125-26-082965 | Feb 27, 2026 | — |
| 10-K | 10-K | 0001559053-26-000008 | Feb 27, 2026 | Dec 31, 2025 |
| POSASR | POSASR | 0001193125-26-082499 | Feb 27, 2026 | — |
| 8-K | 8-K | 0001559053-26-000003 | Feb 19, 2026 | — |
| SCHEDULE 13G | — | 0001104659-26-015228 | Feb 13, 2026 | — |
| 8-K | 8-K | 0001559053-25-000049 | Dec 12, 2025 | Dec 10, 2025 |
| 8-K | 8-K | 0001559053-25-000047 | Nov 19, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-112819 | Nov 14, 2025 | — |
| SCHEDULE 13G/A | — | 0002011420-25-000009 | Nov 12, 2025 | — |
| SCHEDULE 13G/A | — | 0001045463-25-000012 | Nov 12, 2025 | — |
| 10-Q | 10-Q | 0001559053-25-000044 | Nov 6, 2025 | Sep 30, 2025 |
| DEFA14A | DEFA14A | 0001193125-25-269620 | Nov 6, 2025 | — |
| 8-K | 8-K | 0001559053-25-000042 | Nov 6, 2025 | — |
| SCHEDULE 13G/A | — | 0002012383-25-001756 | Oct 17, 2025 | — |
| DEFA14A | DEFA14A | 0001140361-25-037503 | Oct 7, 2025 | — |
| DEF 14A | DEF 14A | 0001140361-25-037500 | Oct 7, 2025 | Nov 19, 2025 |
| PRE 14A | PRE 14A | 0001140361-25-036135 | Sep 25, 2025 | Nov 19, 2025 |
| 8-K | 8-K | 0001193125-25-189765 | Aug 27, 2025 | — |
| SCHEDULE 13G | — | 0001104659-25-078856 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0000935836-25-000521 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0000080255-25-000585 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0001045463-25-000009 | Aug 13, 2025 | — |
| SCHEDULE 13G/A | — | 0002011420-25-000006 | Aug 13, 2025 | — |
| S-8 | FORM S-8 | 0001559053-25-000034 | Aug 8, 2025 | — |
| 8-K | 8-K | 0001193125-25-174061 | Aug 6, 2025 | — |
| 10-Q | 10-Q | 0001559053-25-000031 | Aug 4, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001559053-25-000029 | Aug 4, 2025 | — |
| 4 | — | 0000905148-25-002662 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002661 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002660 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002659 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002658 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002657 | Jul 30, 2025 | Jul 28, 2025 |
| 4 | — | 0000905148-25-002656 | Jul 30, 2025 | Jul 28, 2025 |
| 8-K | 8-K | 0001193125-25-169367 | Jul 30, 2025 | — |
| 8-K | 8-K | 0001193125-25-142725 | Jun 18, 2025 | Jun 13, 2025 |
| 8-K | 8-K | 0001193125-25-141098 | Jun 16, 2025 | Jun 15, 2025 |
| SCHEDULE 13G/A | — | 0000902219-25-000252 | Jun 5, 2025 | — |