Alkermes plc. SEC filings ALKS

Alkermes plc. has 1,000 filings in SEC EDGAR's recent list, going back to May 4, 2017. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
S-8 Employee stock plan registration Jul 28, 2026 —
S-8 Employee stock plan registration Jul 29, 2025 —
S-8 Employee stock plan registration Jul 24, 2024 —
S-8 Employee stock plan registration Jul 26, 2023 —
S-8 Employee stock plan registration Jul 27, 2022 —
S-8 Employee stock plan registration Jul 28, 2021 —
S-8 Employee stock plan registration Jul 29, 2020 —
S-8 POS S-8 pos 333-184621 Jul 29, 2020 —
S-8 POS Filing Jul 29, 2020 —
S-8 POS Filing Jul 29, 2020 —
S-8 POS Filing Jul 29, 2020 —
S-8 POS Filing Jul 29, 2020 —
S-8 Employee stock plan registration Jul 25, 2019 —
S-8 Employee stock plan registration Jul 26, 2018 —

Showing 14 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
ALKS (Nasdaq)
Fiscal year ends
December 31
Headquarters
Dublin 4, Ireland
SEC filer status
Large accelerated filer
SEC CIK
1520262
Former names
ANTLER SCIENCE TWO PLC (until Aug 5, 2011); Antler Science Two Ltd (until Aug 2, 2011)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.