---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-055873"
form_type: "8-K"
ticker: "AMCR"
cik: "0001748790"
company_name: "Amcor plc"
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:49:36.857002+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Amcor plc changes fiscal year end from June 30 to December 31, effective May 1, 2026

## Summary
- Board approved change from fiscal year ending June 30 to calendar year ending Dec 31; transition period July 1, 2026-Dec 31, 2026.
- First full fiscal year under new calendar basis will be year ending December 31, 2027.
- Fiscal quarters remain calendar quarters; quarterly reports continue on current schedule until Dec 31, 2026.
- Company will file a transition report on Form 10-K/T for the six-month period ending December 31, 2026.

## SEC filing metadata
- accession: 0001104659-26-055873
- form_type: 8-K
- ticker: AMCR
- cik: 0001748790
- company_name: Amcor plc
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1748790/000110465926055873/0001104659-26-055873-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1748790/000110465926055873/tm2613113d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-055873
- JSON: https://secwatch.observer/filing/0001104659-26-055873.json
- Plain text: https://secwatch.observer/filing/0001104659-26-055873.txt

## Source-grounded claims
- claim_id: 4e7e59365333e89c6570547260a955bc6a00c0f4
  claim: Amcor plc: Fiscal year end changed from June 30 to December 31, with a transition period from July 1, 2026 to December 31, 2026 (effective 2026-05-01).
  evidence_excerpt: On May 1, 2026, the Board of Directors of Amcor plc (the “Company”) acted to change the Company’s fiscal year end from a year beginning on July 1 and ending June 30 to a year beginning on January 1 and ending December 31.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1748790/000110465926055873/0001104659-26-055873-index.htm

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