David T. Seaton - 28 May 2026 Form 4 Insider Report for MOSAIC CO (MOS)

Reporting relationship: Director
Issuer ticker: MOS
Reported as of: 28 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 19:24:00 UTC
Prior SEC filing: 15 May 2026
Source filing: View source filing
Reporting owner signature: /s/Philip E. Bauer, Attorney-in-Fact for David T. Seaton

Key filing fact

David T. Seaton filed Form 4 for MOSAIC CO (MOS) on 01 Jun 2026.

Key facts

This page summarizes David T. Seaton's Form 4 filing for MOSAIC CO (MOS).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 01 Jun 2026, 19:24.

Change

Previous filing in this sequence was filed on 15 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001392152 Primary reporting owner

Seaton David Thomas

Relationship: Director
Address: C/O THE MOSAIC COMPANY, 101 EAST KENNEDY BLVD., SUITE 2500, TAMPA
Signature: /s/Philip E. Bauer, Attorney-in-Fact for David T. Seaton
Signature date: 01 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MOS transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,167
Change %: +6.6%
Price: $0.000000^*
Shares after: 51,089
Date: 28 May 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MOS transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +7,273
Change %
Price: $0.000000^*
Shares after: 7,273
Date: 28 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,273
Exercise price: $0.000000
Footnotes: F2, F3, F4

MOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -4,873
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,873
Exercise price: $0.000000
Footnotes: F1, F2, F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The reporting person, pursuant to the terms of the Restricted Stock Unit Agreement under which the award of restricted stock units was made, elected to receive 35% of the restricted stock units in the form of cash with the balance paid in the form of shares of common stock at the time the award was paid.

Footnote F2

One-for-One

Footnote F3

The restricted stock units will vest and be paid to the reporting person on the date of the issuer's 2027 Annual Meeting of Stockholders.

Footnote F4

Not Applicable

Footnote F5

The restricted stock units vested on the date of the issuer's 2026 Annual Meeting of Stockholders.