---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-009082"
form_type: "8-K"
ticker: "TROX"
cik: "0001530804"
company_name: "Tronox Holdings plc"
filed_at: "2025-03-17T23:59:59+00:00"
generated_at: "2026-05-24T15:33:34.332284+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Tronox idles Botlek TiO2 plant (90K mt/yr); $130-160M charges, FCF guidance >$50M

## Summary
- Botlek plant idled due to chlor-alkali outage and global TiO2 oversupply; 240 staff impacted.
- Restructuring charges estimated $130-160M over 18 months, incl. $55-65M non-cash write-downs.
- Annual cost savings >$30M from 2026 onward, incremental to prior $125-175M savings target.
- 2025 free cash flow guidance raised to >$50M; plant shutdown does not affect customer supply.

## SEC filing metadata
- accession: 0001140361-25-009082
- form_type: 8-K
- ticker: TROX
- cik: 0001530804
- company_name: Tronox Holdings plc
- filed_at: 2025-03-17T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.05, 8.01, 2.06, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1530804/000114036125009082/0001140361-25-009082-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1530804/000114036125009082/ef20045629_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-009082
- JSON: https://secwatch.observer/filing/0001140361-25-009082.json
- Plain text: https://secwatch.observer/filing/0001140361-25-009082.txt

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