Mosaic EVP Swager converts 15,485 stock units

A restricted stock unit award is scheduled to vest cumulatively: 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029.

Available on EDGAR 11/03/2026 - 04:20 PM EST Accepted by SEC EDGAR 11/03/2026 - 04:20 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Mosaic (MOS) EVP - Operations Karen A. Swager reported converting 15,485 restricted stock units into 15,485 common shares on November 2, 2026. On the same date, 6,094 common shares were delivered or withheld for payment of exercise price or tax liability. Her reported direct restricted stock unit positions also include awards underlying 21,767, 26,528 and 29,463 common shares.

Insider Trade Summary

15,485 shares exercised/converted

Exercise 3 txns

Insider Swager Karen A

Role EVP - Operations

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units F1, F2	15,485	$0.00	$0.00
Exercise	Common Stock	15,485	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	6,094	$18.39	$112K
Holding	Restricted Stock Units F1, F2	--	--	--
Holding	Restricted Stock Units F3, F2	--	--	--
Holding	Restricted Stock Units F1, F2	--	--	--

Holdings After Transaction: Restricted Stock Units — 77,758 contracts (Direct); Common Stock — 184,989 shares (Direct)

Holdings Before and After: Restricted Stock Units, 93,243 to 77,758 contracts (Direct); Common Stock, 175,598 to 184,989 shares (Direct)

Footnotes (3)

1. F1. One-for-One
2. F2. Not Applicable
3. F3. The Restricted Stock Unit will vest a cumulative vesting percentage equal to 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029.

Key Figures

Restricted stock units converted: 15,485 units Common shares acquired on conversion: 15,485 shares Shares delivered or withheld: 6,094 shares +4 more

7 metrics

Restricted stock units converted 15,485 units November 2, 2026

Common shares acquired on conversion 15,485 shares November 2, 2026

Shares delivered or withheld 6,094 shares For payment of exercise price or tax liability on November 2, 2026

Reported per-share price for delivered or withheld shares $18.39 per share November 2, 2026

Underlying common shares in direct restricted stock unit position 21,767 shares Reported November 2, 2026

Underlying common shares in direct restricted stock unit award 26,528 shares Reported November 2, 2026; vesting schedule stated through March 4, 2029

Underlying common shares in direct restricted stock unit position 29,463 shares Reported November 2, 2026

Key Terms

Restricted Stock Units, One-for-One, cumulative vesting percentage

3 terms

Restricted Stock Units financial

"Restricted Stock Units"

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.

One-for-One financial

"One-for-One"

cumulative vesting percentage financial

"cumulative vesting percentage equal to 33%"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MOS shares did Karen A. Swager receive and deliver on November 2, 2026?

Karen A. Swager reported converting 15,485 restricted stock units into 15,485 common shares and delivering or withholding 6,094 common shares for payment of exercise price or tax liability on November 2, 2026. The transactions were not reported under a Rule 10b5-1 plan.

What is the vesting schedule for Karen A. Swager's 26,528-share MOS restricted stock unit award?

The award underlying 26,528 common shares is scheduled to vest cumulatively: 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Swager Karen A

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026

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	11/02/2026		M		15,485	A	$0	191,083	D
Common Stock	11/02/2026		F		6,094	D	$18.39	184,989	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)	11/02/2026		M			15,485	11/01/2026	(2)	Common Stock	15,485	$0	0	D
Restricted Stock Units	$0(1)							03/05/2027	(2)	Common Stock	21,767		21,767	D
Restricted Stock Units	$0							(3)	(2)	Common Stock	26,528		26,528	D
Restricted Stock Units	$0(1)							03/04/2028	(2)	Common Stock	29,463		29,463	D

Explanation of Responses:

1. One-for-One

2. Not Applicable

3. The Restricted Stock Unit will vest a cumulative vesting percentage equal to 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029.

Remarks:

	/s/ Philip E. Bauer, Attorney-in-Fact for Karen A. Swager	11/03/2026
	** 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)