Mosaic (NYSE: MOS) director exercises RSUs and receives new restricted stock grant

Rhea-AI Filing Summary

Mosaic Co director Cheryl K. Beebe reported routine equity compensation activity. She exercised 4,873 restricted stock units that vested on the date of Mosaic’s 2026 Annual Meeting of Stockholders, electing to receive 50% of the award in cash and the balance as 2,437 shares of common stock.

After this exercise, she held 46,691 shares of Mosaic common stock directly. Beebe also received a new grant of 7,273 restricted stock units that will vest and be paid on the date of Mosaic’s 2027 Annual Meeting of Stockholders, leaving her with 7,273 restricted stock units outstanding.

Insights

Equity compensation analyst

Director activity reflects routine equity compensation, not open-market trading.

Director Cheryl K. Beebe exercised 4,873 restricted stock units into 2,437 Mosaic common shares, with the remaining 50% of the award settled in cash under the award’s terms. This is coded as an exercise or conversion of a derivative security, not a market purchase.

Following the transaction, she directly owns 46,691 common shares and holds 7,273 new restricted stock units that vest at the 2027 Annual Meeting of Stockholders. The scale of these transactions relative to her total reported holdings, along with the absence of any open-market sale or purchase codes, indicates standard compensation-related activity with neutral informational value for investors.

Insider Trade Summary

4,873 shares exercised/converted

Mixed 3 txns

Insider BEEBE CHERYL K

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	7,273	$0.00	--
Exercise	Restricted Stock Units	4,873	$0.00	--
Exercise	Common Stock	2,437	$0.00	--

Holdings After Transaction: Restricted Stock Units — 7,273 shares (Direct, null); Common Stock — 46,691 shares (Direct, null)

Footnotes (1)

1. 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 50% 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. One-for-One 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. Not Applicable 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 received: 2,437 shares New RSU grant: 7,273 units +2 more

5 metrics

RSUs exercised 4,873 units Restricted stock units vested on 2026 Annual Meeting date

Common shares received 2,437 shares Shares of Mosaic common stock received from RSU exercise

New RSU grant 7,273 units Restricted stock units vesting on 2027 Annual Meeting date

Shares owned after 46,691 shares Total Mosaic common shares directly held post-transaction

RSUs outstanding after 7,273 units Restricted stock units held after new grant

Key Terms

Restricted Stock Units, Exercise or conversion of derivative security, Annual Meeting of Stockholders

3 terms

Restricted Stock Units financial

"The reporting person elected to receive 50% of the restricted stock units in the form of cash"

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.

Exercise or conversion of derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

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"

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Form 4 Insider Transactions: What Each Field Means →

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^*

BEEBE CHERYL K

(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		2,437(1)	A	$0	46,691	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(2)	05/28/2026		A		7,273(1)		(3)	(4)	Common Stock	7,273	$0	7,273	D
Restricted Stock Units	$0(2)	05/28/2026		M			4,873	(5)	(4)	Common Stock	4,873	$0	0	D

Explanation of Responses:

1. 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 50% 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.

2. One-for-One

3. 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.

4. Not Applicable

5. 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 Cheryl K. Beebe	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)

FAQ

What did Mosaic (MOS) director Cheryl K. Beebe report in this Form 4?

Cheryl K. Beebe reported exercising 4,873 restricted stock units, receiving 2,437 Mosaic common shares and cash for the remainder, and a new grant of 7,273 restricted stock units. These are compensation-related transactions, not open-market share purchases or sales.

How many Mosaic (MOS) shares does Cheryl K. Beebe own after the reported transactions?

After the reported transactions, Cheryl K. Beebe directly holds 46,691 shares of Mosaic common stock. She also has 7,273 restricted stock units outstanding that are scheduled to vest and be paid on the date of Mosaic’s 2027 Annual Meeting of Stockholders.

Were any of Cheryl K. Beebe’s Mosaic (MOS) transactions open-market buys or sells?

No open-market buys or sells were reported. The Form 4 shows an exercise of 4,873 restricted stock units into 2,437 shares and cash, plus a grant of 7,273 new restricted stock units. All transactions are coded as derivative exercises or awards, not purchases or sales.

When do Cheryl K. Beebe’s new Mosaic (MOS) restricted stock units vest?

The new grant of 7,273 restricted stock units will vest and be paid to Cheryl K. Beebe on the date of Mosaic’s 2027 Annual Meeting of Stockholders. Vesting is tied directly to that future Annual Meeting rather than to a fixed calendar date.

What happened to the Mosaic (MOS) restricted stock units that vested in 2026 for Cheryl K. Beebe?

The restricted stock units that vested on the date of Mosaic’s 2026 Annual Meeting were settled by exercising 4,873 units. Under the award terms, Cheryl K. Beebe elected to receive 50% in cash and the remaining balance in 2,437 shares of Mosaic common stock.