Mosaic SVP Fedorchuk reports four stock unit holdings

Q: How many MOS shares are tied to Sarah C. Fedorchuk’s RSUs?

Four direct restricted stock unit positions are tied to 2,882, 3,901, 2,787 and 6,053 common shares.

Q: When do Sarah C. Fedorchuk’s MOS RSUs vest?

The position tied to 2,787 shares vests cumulatively at 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029. The position tied to 6,053 shares follows those percentages on September 1, 2027, 2028 and 2029.

Two RSU positions have staged vesting through 2029, reaching 100% on March 4 and September 1, respectively.

Available on EDGAR 11/05/2026 - 04:32 PM EST Accepted by SEC EDGAR 11/05/2026 - 04:29 PM EST

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Sarah C. Fedorchuk, Mosaic Co (MOS)’s SVP, Public & Corp Affairs, is reported with four direct restricted stock unit positions tied to 2,882, 3,901, 2,787 and 6,053 common shares. For the 2,787-share position, cumulative vesting is 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029. The 6,053-share position follows the same percentages on September 1, 2027, 2028 and 2029.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Fedorchuk Sarah C

Role SVP, Public & Corp Affairs

Type	Security	Shares	Price	Value
Holding	Restricted Stock Units ^{F2, F1}	--	--	--
Holding	Restricted Stock Units ^{F2, F1}	--	--	--
Holding	Restricted Stock Units ^{F2, F3, F1}	--	--	--
Holding	Restricted Stock Units ^{F2, F4, F1}	--	--	--
Holding	Common Stock	--	--	--

Holdings: Restricted Stock Units — 15,623 contracts (Direct); Common Stock — 16.891 shares (Direct)

Footnotes (4)

F1. Not Applicable
F2. One-for-One
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.
F4. The Restricted Stock Unit will vest a cumulative vesting percentage equal to 33% on September 1, 2027, 66% on September 1, 2028 and 100% on September 1, 2029.

Key Figures

Underlying shares for RSU position 1: 2,882 shares Underlying shares for RSU position 2: 3,901 shares Underlying shares for RSU position 3: 2,787 shares +1 more

4 metrics

Underlying shares for RSU position 1 2,882 shares Direct restricted stock unit position

Underlying shares for RSU position 2 3,901 shares Direct restricted stock unit position

Underlying shares for RSU position 3 2,787 shares Direct restricted stock unit position with vesting through March 4, 2029

Underlying shares for RSU position 4 6,053 shares Direct restricted stock unit position with vesting through September 1, 2029

Key Terms

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

3 terms

Restricted Stock Units technical

"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.

cumulative vesting percentage technical

"vest a cumulative vesting percentage equal to 33%"

One-for-One technical

"One-for-One"

FAQ

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

How many MOS shares are tied to Sarah C. Fedorchuk’s RSUs?

Four direct restricted stock unit positions are tied to 2,882, 3,901, 2,787 and 6,053 common shares.

When do Sarah C. Fedorchuk’s MOS RSUs vest?

The position tied to 2,787 shares vests cumulatively at 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029. The position tied to 6,053 shares follows those percentages on September 1, 2027, 2028 and 2029.

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

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Fedorchuk Sarah C

(Last)

(First)

(Middle)

101 EAST KENNEDY BLVD.,

SUITE 2500

(Street)

TAMPA

FLORIDA

33602

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
11/01/2026

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

3a. Foreign Trading Symbol

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Public & Corp Affairs

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	16.891	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	03/05/2027	⁽¹⁾	Common Stock	2,882	$0⁽²⁾	D
Restricted Stock Units	03/04/2028	⁽¹⁾	Common Stock	3,901	$0⁽²⁾	D
Restricted Stock Units	⁽³⁾	⁽¹⁾	Common Stock	2,787	$0⁽²⁾	D
Restricted Stock Units	⁽⁴⁾	⁽¹⁾	Common Stock	6,053	$0⁽²⁾	D

Explanation of Responses:

1. Not Applicable

2. One-for-One

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.

4. The Restricted Stock Unit will vest a cumulative vesting percentage equal to 33% on September 1, 2027, 66% on September 1, 2028 and 100% on September 1, 2029.

Remarks:

	/s/ Philip E. Bauer, Attorney-in-Fact for Sarah C. Fedorchuk	11/05/2026
	** 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 5 (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 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR