Alkermes plc. — 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-KT
10-Q
144
3
4
4/A
424B3
424B5
425
5
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
FWP
PRE 14A
PREC14A
PRER14A
PRRN14A
S-1
S-1/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| PRE 14A | PRE 14A | 0001193125-26-129448 | Mar 27, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | — | 0000102909-26-000438 | Mar 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000063 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000062 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000061 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000060 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000059 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000058 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000057 | Mar 4, 2026 | Mar 2, 2026 |
| 144 | — | 0001964306-26-000146 | Mar 3, 2026 | — |
| 144 | — | 0001964306-26-000141 | Mar 2, 2026 | — |
| 144 | — | 0001964306-26-000138 | Mar 2, 2026 | — |
| 144 | — | 0001964306-26-000135 | Mar 2, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000049 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000048 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000047 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000046 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000045 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000039 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000037 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000035 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000033 | Feb 25, 2026 | Feb 23, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000031 | Feb 25, 2026 | Feb 23, 2026 |
| 8-K | 8-K | 0001193125-26-068927 | Feb 25, 2026 | Feb 24, 2026 |
| 10-K | 10-K | 0001193125-26-068925 | Feb 25, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001193125-26-068512 | Feb 25, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000029 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000028 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000027 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000026 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000025 | Feb 20, 2026 | Feb 18, 2026 |
| SCHEDULE 13G | — | 0001104659-26-016465 | Feb 17, 2026 | — |
| 8-K | 8-K | 0001193125-26-047682 | Feb 12, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000019 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000018 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000017 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000016 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000015 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000009 | Feb 2, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000008 | Feb 2, 2026 | — |
| 144 | — | 0001964306-26-000077 | Feb 2, 2026 | — |
| 144 | — | 0001964306-26-000076 | Feb 2, 2026 | — |
| 8-K | 8-K | 0001193125-26-009813 | Jan 12, 2026 | — |
| 144 | — | 0001964306-26-000028 | Jan 8, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000004 | Jan 8, 2026 | — |
| 8-K | 8-K | 0001193125-26-003453 | Jan 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-26-000002 | Jan 2, 2026 | — |
| 144 | — | 0001964306-26-000003 | Jan 2, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-25-000014 | Dec 5, 2025 | Dec 3, 2025 |
| 144 | — | 0001964306-25-000430 | Dec 3, 2025 | — |