---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-290739"
form_type: "8-K"
ticker: "MOS"
cik: "0001285785"
company_name: "MOSAIC CO"
filed_at: "2023-12-07T23:59:59+00:00"
generated_at: "2026-06-07T16:02:14.316654+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Mosaic closes $400M 5.375% senior notes due 2028

## Summary
- Closed offering of $400M aggregate principal of 5.375% senior notes due 2028.
- Net proceeds of approximately $395.9M after underwriting discount and expenses.
- Proceeds to repay outstanding commercial paper and replenish cash used to repay 4.250% Senior Notes due 2023.
- Remaining proceeds for general corporate purposes, including possible other debt repayment.
- Notes issued under existing indenture; underwriters include BofA, Barclays, Citi, J.P. Morgan.

## SEC filing metadata
- accession: 0001193125-23-290739
- form_type: 8-K
- ticker: MOS
- cik: 0001285785
- company_name: MOSAIC CO
- filed_at: 2023-12-07T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1285785/000119312523290739/0001193125-23-290739-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1285785/000119312523290739/d633886d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-290739
- JSON: https://secwatch.observer/filing/0001193125-23-290739.json
- Plain text: https://secwatch.observer/filing/0001193125-23-290739.txt

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