---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-205008"
form_type: "8-K"
ticker: "ALKS"
cik: "0001520262"
company_name: "Alkermes plc."
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:20:53.253474+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Alkermes Q1 revenue $392.9M; GAAP net loss $66.5M after Avadel acquisition costs

## Summary
- Q1 total revenues $392.9M, up 28% YoY; GAAP net loss $66.5M vs. income of $22.5M in Q1 2025.
- Adjusted EBITDA $80.3M, up from $45.6M YoY; LUMRYZ contributed $39.5M post-Avadel close on Feb 12.
- Full-year 2026 GAAP net loss guidance improved to ($70)-($90)M from ($115)-($135)M; total revenue outlook unchanged.
- Avadel acquisition closed in Feb; used $775M cash and $1.525B term loans; cash balance now $538M.
- Initiated Phase 3 Brilliance studies for alixorexton in narcolepsy type 1 and type 2.

## SEC filing metadata
- accession: 0001193125-26-205008
- form_type: 8-K
- ticker: ALKS
- cik: 0001520262
- company_name: Alkermes plc.
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1520262/000119312526205008/0001193125-26-205008-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1520262/000119312526205008/alks-20260505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-205008
- JSON: https://secwatch.observer/filing/0001193125-26-205008.json
- Plain text: https://secwatch.observer/filing/0001193125-26-205008.txt

## Source-grounded claims
- claim_id: c339af4872258d2eb937f777f89ebdb371db1581
  claim: Alkermes plc. reported the three months ended March 31, 2026 results: revenue $392.9 Million, net income GAAP Net Loss of $66.5 Million. Guidance lowered.
  evidence_excerpt: Alkermes plc Reports First Quarter 2026 Financial Results — First Quarter Revenues of $392.9 Million; GAAP Net Loss of $66.5 Million and Adjusted EBITDA of $80.3 Million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1520262/000119312526205008/0001193125-26-205008-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.