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
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144
3
4
4/A
424B3
424B5
425
5
8-A12B
8-K
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ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
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SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 144 | — | 0001964306-25-000421 | Dec 1, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-25-000012 | Dec 1, 2025 | — |
| 8-K | 8-K | 0001193125-25-286909 | Nov 19, 2025 | Nov 18, 2025 |
| 8-K | 8-K | 0001193125-25-276161 | Nov 12, 2025 | — |
| 144 | — | 0001964306-25-000387 | Nov 3, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-25-000010 | Nov 3, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-252524 | Oct 28, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-252207 | Oct 28, 2025 | — |
| 8-K | 8-K | 0001193125-25-245852 | Oct 22, 2025 | — |
| 144 | — | 0001964306-25-000376 | Oct 15, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-25-000008 | Oct 15, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001520262-25-000006 | Oct 10, 2025 | Oct 8, 2025 |
| 3 | PRIMARY DOCUMENT | 0001520262-25-000004 | Sep 23, 2025 | Sep 15, 2025 |
| 8-K | 8-K | 0001193125-25-202307 | Sep 12, 2025 | Aug 15, 2025 |
| 8-K | 8-K | 0001193125-25-201840 | Sep 12, 2025 | — |
| 8-K | 8-K | 0000950170-25-113379 | Sep 8, 2025 | — |
| SCHEDULE 13G/A | — | 0000080255-25-000565 | Aug 14, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-019974 | Aug 4, 2025 | Aug 3, 2025 |
| 10-Q | 10-Q | 0000950170-25-099409 | Jul 29, 2025 | Jun 30, 2025 |
| S-8 | S-8 | 0000950170-25-099629 | Jul 29, 2025 | — |
| 8-K | 8-K | 0000950170-25-099382 | Jul 29, 2025 | — |
| 8-K | 8-K | 0000950170-25-097323 | Jul 21, 2025 | — |
| 144 | — | 0001964306-25-000255 | Jun 10, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-017212 | Jun 10, 2025 | Jun 8, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-017213 | Jun 10, 2025 | Jun 9, 2025 |
| 144 | — | 0001964306-25-000251 | Jun 9, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016203 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016196 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016206 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016198 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016200 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016208 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016202 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016204 | Jun 2, 2025 | May 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015543 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015538 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015544 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015539 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015540 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015541 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015545 | May 23, 2025 | May 21, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-015542 | May 23, 2025 | May 21, 2025 |
| 8-K | 8-K | 0000950170-25-075783 | May 21, 2025 | — |
| DEFA14A | DEFA14A | 0000950170-25-069448 | May 12, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-061817 | May 1, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0000950170-25-061441 | May 1, 2025 | — |
| SCHEDULE 13G/A | — | 0002052113-25-001762 | Apr 28, 2025 | — |
| 8-K | 8-K | 0000950170-25-054483 | Apr 16, 2025 | Apr 14, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-012018 | Apr 14, 2025 | Apr 11, 2025 |
| DEFA14A | DEFA14A | 0000950170-25-051652 | Apr 7, 2025 | — |