# Alkermes plc. — DEFA14A

Alkermes plc. of DUBLIN 4, L2 filed a DEFA14A with the SEC on 2026-05-13. Industry: Pharmaceutical Preparations.

## Filing

- Filed: 2026-05-13
- Form: DEFA14A
- Accession: 0001193125-26-221901
- Registrant: Alkermes plc.
- CIK: 0001520262
- Industry (SIC): Pharmaceutical Preparations (2834)
- Location: DUBLIN 4, L2

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| 2026-05-13 | DEFA14A |
| [2026-04-06](https://search.stillhousedata.com/proxy/0001193125-26-144001) | DEFA14A |
| [2026-04-06](https://search.stillhousedata.com/proxy/0001193125-26-143977) | DEF 14A |
| [2026-03-27](https://search.stillhousedata.com/proxy/0001193125-26-129448) | PRE 14A |
| [2025-05-12](https://search.stillhousedata.com/proxy/0000950170-25-069448) | DEFA14A |
| [2025-04-07](https://search.stillhousedata.com/proxy/0000950170-25-051652) | DEFA14A |
| [2025-04-07](https://search.stillhousedata.com/proxy/0000950170-25-051644) | DEF 14A |
| [2025-03-28](https://search.stillhousedata.com/proxy/0000950170-25-046920) | PRE 14A |
| [2024-05-14](https://search.stillhousedata.com/proxy/0000950170-24-059638) | DEFA14A |
| [2024-04-15](https://search.stillhousedata.com/proxy/0000950170-24-044427) | DEFA14A |
| [2024-04-15](https://search.stillhousedata.com/proxy/0000950170-24-044420) | DEF 14A |
| [2024-04-05](https://search.stillhousedata.com/proxy/0000950170-24-042354) | PRE 14A |

## More

- [CIK 1520262 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1520262&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-26-221901.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
