---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-324497"
form_type: "8-K"
ticker: "MOS"
cik: "0001285785"
company_name: "MOSAIC CO"
filed_at: "2021-11-09T23:59:59+00:00"
generated_at: "2026-06-28T10:30:32.793966+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mosaic buys $314.8M of own stock in Vale secondary; Vale directors stay on board

## Summary
- Underwriter purchased 34.2M shares from Vale at $36.84/share; Mosaic repurchased 8.5M of those shares for ~$314.8M.
- Repurchase uses existing $1B share buyback authorization; company received no proceeds from the offering.
- Vale sold its entire holding in Mosaic and no longer owns any shares.
- Vale-designated directors Oscar P. Bernardes and Luciano Siani Pires offered resignations; board rejected them, they remain.

## SEC filing metadata
- accession: 0001193125-21-324497
- form_type: 8-K
- ticker: MOS
- cik: 0001285785
- company_name: MOSAIC CO
- filed_at: 2021-11-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1285785/000119312521324497/0001193125-21-324497-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1285785/000119312521324497/d248884d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-324497
- JSON: https://secwatch.observer/filing/0001193125-21-324497.json
- Plain text: https://secwatch.observer/filing/0001193125-21-324497.txt

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