Mosaic director exercises 4,873 RSUs, gets new grant

Mosaic Co director Jody Lynne Kuzenko exercised restricted stock units into common shares and received a new equity award.

Rhea-AI Filing Summary

Mosaic Co director Jody Lynne Kuzenko exercised restricted stock units into common shares and received a new equity award. On 2026-05-28, 4,873 restricted stock units vested in connection with the issuer's 2026 Annual Meeting of Stockholders and were converted one-for-one into 4,873 shares of common stock, bringing her direct common stock holdings to 13,444 shares after the transaction.

The filing also shows a new grant of 7,273 restricted stock units, which will vest and be paid one-for-one in Mosaic common stock on the date of the issuer's 2027 Annual Meeting of Stockholders. No open-market purchases or sales were reported; the activity reflects equity compensation vesting and a new award.

Insider Trade Summary

4,873 shares exercised/converted

Exercise 3 txns

Insider Kuzenko Jody Lynne

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	7,273	$0.00	$0.00
Exercise	Restricted Stock Units	4,873	$0.00	$0.00
Exercise	Common Stock	4,873	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 7,273 contracts (Direct); Common Stock — 13,444 shares (Direct)

Footnotes (4)

1. F1. One-for-One
2. F2. 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.
3. F3. Not Applicable
4. F4. The restricted stock units vested on the date of the issuer's 2026 Annual Meeting of Stockholders.

Key Figures

RSUs exercised: 4,873 units Common shares after exercise: 13,444 shares New RSU grant: 7,273 units +1 more

4 metrics

RSUs exercised 4,873 units Restricted stock units converted to common stock on 2026-05-28

Common shares after exercise 13,444 shares Direct Mosaic common stock holdings following the Form 4 transactions

New RSU grant 7,273 units Restricted stock units granted, vesting at the 2027 Annual Meeting

Transaction date 2026-05-28 Date of RSU vesting and new RSU grant for the director

Key Terms

Restricted Stock Units, derivative security, Annual Meeting of Stockholders

3 terms

Restricted Stock Units financial

"The filing also shows a new grant of 7,273 restricted stock units, which will vest and be paid one-for-one in Mosaic common stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Annual Meeting of Stockholders financial

"will vest and be paid to the reporting person on the date of the issuer's 2027 Annual Meeting of Stockholders"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/01/2026 - 07:24 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kuzenko Jody Lynne

(Last) (First) (Middle)

C/O THE MOSAIC COMPANY

101 EAST KENNEDY BLVD., SUITE 2500

(Street)

TAMPA FLORIDA 33602

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MOSAIC CO [ MOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/28/2026		M		4,873	A	$0	13,444	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0(1)	05/28/2026		A		7,273		(2)	(3)	Common Stock	7,273	$0	7,273	D
Restricted Stock Units	$0(1)	05/28/2026		M			4,873	(4)	(3)	Common Stock	4,873	$0	0	D

Explanation of Responses:

1. One-for-One

2. 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.

3. Not Applicable

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

Remarks:

	/s/ Philip E. Bauer, Attorney-in-Fact for Jody Lynne Kuzenko	06/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)