---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-24-003023"
form_type: "8-K12B/A"
ticker: null
cik: "0001977303"
company_name: "Arcadium Lithium plc"
filed_at: "2024-02-28T23:59:59+00:00"
generated_at: "2026-06-05T09:43:50.249015+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Arcadium Lithium updates pro forma financials for Allkem-Livent merger purchase accounting

## Summary
- Pro forma balance sheet as of Sep 30, 2023: total assets $9,104.7M, total equity $6,410.8M.
- Pro forma net income (nine months ended Sep 30, 2023): $721.7M; diluted EPS $0.58.
- Pro forma net income (year ended Dec 31, 2022): $657.2M; diluted EPS $0.53.
- Amendment updates purchase price allocation; no change to operational results or guidance.

## SEC filing metadata
- accession: 0000950103-24-003023
- form_type: 8-K12B/A
- cik: 0001977303
- company_name: Arcadium Lithium plc
- filed_at: 2024-02-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 2.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1977303/000095010324003023/0000950103-24-003023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1977303/000095010324003023/dp207330_8k12ba.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-24-003023
- JSON: https://secwatch.observer/filing/0000950103-24-003023.json
- Plain text: https://secwatch.observer/filing/0000950103-24-003023.txt

## Key facts
- M&A Transactions
  Arcadium Lithium plc completed an acquisition involving Allkem Limited for One Arcadium CHESS Depositary Instrument (CDI) or one Arcadium ordinary share per Allkem share (closed 2024-01-04).
  - Action: acquisition
  - Counterparty: Allkem Limited
  - Consideration: One Arcadium CHESS Depositary Instrument (CDI) or one Arcadium ordinary share per Allkem share
  - Closing: 2024-01-04
  source text: “Livent”), Allkem Limited, an Australian public company limited by shares (“Allkem”), Arcadium, a public limited
  evidence_url: https://www.sec.gov/Archives/edgar/data/1977303/000095010324003023/0000950103-24-003023-index.htm
- M&A Transactions
  Arcadium Lithium plc completed an acquisition involving Livent Corporation for Not specified in excerpt (closed 2024-01-04).
  - Action: acquisition
  - Counterparty: Livent Corporation
  - Consideration: Not specified in excerpt
  - Closing: 2024-01-04
  source text: both Livent and Allkem became wholly owned subsidiaries of Arcadium pursuant to the Transaction Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/1977303/000095010324003023/0000950103-24-003023-index.htm

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