Mosaic (MOS) awards 21,915 Restricted Stock Units to senior legal executive

Rhea-AI Filing Summary

Bauer Philip Eugene reported acquisition or exercise transactions in this Form 4 filing.

Mosaic Co granted Senior Vice President, General Counsel and Corporate Secretary Philip Eugene Bauer an award of 21,915 Restricted Stock Units on March 4, 2026. Each unit represents a one-for-one right to receive Mosaic common stock.

The award vests cumulatively over three years: 33% on March 4, 2027, 66% on March 4, 2028, and 100% on March 4, 2029, aligning a portion of his compensation with future company performance.

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^*

Bauer Philip Eugene

(Last) (First) (Middle)

C/O THE MOSAIC COMPANY

101 EAST KENNEDY BLVD, SUITE 2500

(Street)

TAMPA FL 33602

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr. VP, Gen Counsel & Corp Sec

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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

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

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

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								28,378	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)	03/04/2026		A		21,915		(2)	(3)	Common Stock	21,915	$0	21,915	D
Restricted Stock Units	$0(1)							03/09/2026	(3)	Common Stock	7,613		7,613	D
Restricted Stock Units	$0(1)							03/05/2027	(3)	Common Stock	14,085		14,085	D
Restricted Stock Units	$0(1)							03/04/2028	(3)	Common Stock	20,797		20,797	D

Explanation of Responses:

1. One-for-One

2. The award vests cumulatively as follows: 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029.

3. Not Applicable

Remarks:

	/s/ Philip E. Bauer	03/06/2026
	** 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.

FAQ

What insider transaction did MOS report for Philip Eugene Bauer?

Mosaic Co reported that Senior Vice President, General Counsel and Corporate Secretary Philip Eugene Bauer received a grant of 21,915 Restricted Stock Units on March 4, 2026. These units form part of his equity-based compensation at the company.

How many Restricted Stock Units did MOS grant to its executive Bauer?

Mosaic Co granted 21,915 Restricted Stock Units to executive Philip Eugene Bauer. Each unit represents the right to receive one share of Mosaic common stock, providing equity-linked compensation that can align his interests with long-term shareholder value.

When do Philip Bauer’s MOS Restricted Stock Units vest?

The Restricted Stock Units vest cumulatively over three years: 33% on March 4, 2027, 66% on March 4, 2028, and 100% on March 4, 2029. This schedule encourages multi‑year retention and ongoing performance.

What does one-for-one mean for MOS Restricted Stock Units granted to Bauer?

The footnote states the award is one-for-one, meaning each Restricted Stock Unit corresponds to one share of Mosaic common stock upon settlement. This creates a direct link between Bauer’s equity compensation value and Mosaic’s future share performance.

Is Philip Bauer’s MOS equity award a purchase or a grant?

The transaction is a grant or award acquisition of 21,915 Restricted Stock Units, not an open-market share purchase. The Form 4 classifies it under a grant-type code, reflecting compensation rather than a discretionary buy or sell of stock.