---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-254570"
form_type: "8-K"
ticker: "SLVM"
cik: "0001856485"
company_name: "Sylvamo Corp"
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:43:09.003592+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Sylvamo amends Riverdale supply deal with IP; supply ends May 2026; Brazil Payment reduced to $85M

## Summary
- IP converting PM16 to containerboard; Sylvamo supply ends May 30, 2026 after wind-down.
- Pricing increases with volume thresholds through Apr 2026 to incentivize production during wind-down.
- Sylvamo can purchase sheeting assets from Riverdale for $1; must remove by Aug 31, 2026.
- Brazil Payment reduced from $100M to $85M via $3M annual cuts from 2026-2030; plus variable reduction based on supply payments.

## SEC filing metadata
- accession: 0001193125-25-254570
- form_type: 8-K
- ticker: SLVM
- cik: 0001856485
- company_name: Sylvamo Corp
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 1.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1856485/000119312525254570/0001193125-25-254570-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1856485/000119312525254570/d89142d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-254570
- JSON: https://secwatch.observer/filing/0001193125-25-254570.json
- Plain text: https://secwatch.observer/filing/0001193125-25-254570.txt

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