---
schema_version: "secwatch.filing_event.v1"
accession: "0001585364-23-000051"
form_type: "8-K"
ticker: "PRGO"
cik: "0001585364"
company_name: "PERRIGO Co plc"
filed_at: "2023-04-25T23:59:59+00:00"
generated_at: "2026-06-16T16:19:13.934310+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Perrigo resolves $843M IRS tax dispute; no payment required

## Summary
- IRS fully withdraws proposed $843M in tax adjustments and penalties for Athena's 2011-2013 tax years.
- US Competent Authority closes case; Perrigo owes nothing on the Tysabri royalty transfer pricing issue.
- Perrigo to release previously established reserves in Q2 FY2023, boosting earnings.
- Resolution ends multi-year MAP process under U.S.-Ireland tax treaty.
- Company says any prior uncertainty on Tysabri royalty tax treatment is now completely resolved.

## SEC filing metadata
- accession: 0001585364-23-000051
- form_type: 8-K
- ticker: PRGO
- cik: 0001585364
- company_name: PERRIGO Co plc
- filed_at: 2023-04-25T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1585364/000158536423000051/0001585364-23-000051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1585364/000158536423000051/prgo-20230424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001585364-23-000051
- JSON: https://secwatch.observer/filing/0001585364-23-000051.json
- Plain text: https://secwatch.observer/filing/0001585364-23-000051.txt

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