Mosaic director Sonya C. Little acquires 65 shares

Q: How many MOS shares did Sonya C. Little acquire, and at what price?

On September 23, 2026, Sonya C. Little acquired 65 MOS common shares at $24.73 per share through a broker-administered automatic dividend reinvestment program. No Rule 10b5-1 plan is reported; the transaction was reported late after a delay in receiving broker confirmation.

Q: When do Sonya C. Little's MOS restricted stock units vest?

The 7,273 restricted stock units are on a one-for-one basis with common stock and will vest and be paid on the date of the issuer's 2027 Annual Meeting of Stockholders.

A Mosaic director's 65-share dividend-reinvestment acquisition was reported late after a broker-confirmation delay.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

MOSAIC CO director Sonya C. Little reported acquiring 65 shares of common stock on September 23, 2026, through a broker-administered automatic dividend reinvestment program, at $24.73 per share. Her directly held common stock position following the transaction was 7,351 shares. No Rule 10b5-1 plan is reported. The transaction was reported late after an administrative delay in receiving broker confirmation.

Little also reported 7,273 directly held restricted stock units, on a one-for-one basis with common stock, that will vest and be paid on the date of the issuer's 2027 Annual Meeting of Stockholders.

Insider Trade Summary

Grant/Award: 65 shares

Grant/Award 2 txns

Insider Little Sonya C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock ^F1	65	$24.73	$2K
holding	Restricted Stock Units ^{F2, F3, F4}	--	--	--

Holdings After Transaction: Common Stock — 7,351 shares (Direct); Restricted Stock Units — 7,273 contracts (Direct)

Footnotes (4)

F1. Represents shares of Common Stock acquired by the Reporting Person through an automatic dividend reinvestment program administered by the broker. This transaction was inadvertently omitted from a timely filing due to an administrative delay in receiving the broker confirmation statement and is being reported late on this Form 4.
F2. One-for-One
F3. 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.
F4. Not Applicable

Key Figures

Common shares acquired: 65 shares Price per share: $24.73 per share Common shares following transaction: 7,351 shares +1 more

4 metrics

Common shares acquired 65 shares September 23, 2026; automatic dividend reinvestment program

Price per share $24.73 per share Acquisition on September 23, 2026

Common shares following transaction 7,351 shares Directly held by Sonya C. Little

Restricted stock units 7,273 units Directly held; one-for-one with common stock

Key Terms

automatic dividend reinvestment program, Restricted Stock Units, One-for-One

3 terms

automatic dividend reinvestment program financial

"through an automatic dividend reinvestment program administered by the broker"

Restricted Stock Units financial

"The restricted stock units will vest and be paid"

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"

FAQ

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

How many MOS shares did Sonya C. Little acquire, and at what price?

On September 23, 2026, Sonya C. Little acquired 65 MOS common shares at $24.73 per share through a broker-administered automatic dividend reinvestment program. No Rule 10b5-1 plan is reported; the transaction was reported late after a delay in receiving broker confirmation.

When do Sonya C. Little's MOS restricted stock units vest?

The 7,273 restricted stock units are on a one-for-one basis with common stock and will vest and be paid 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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Available on EDGAR 10/02/2026 - 04:45 PM Accepted by SEC EDGAR 10/02/2026 - 04:45 PM

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^*

Little Sonya C

(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)
09/23/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	09/23/2026		A		65⁽¹⁾	A	$24.73	7,351	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0⁽²⁾							⁽³⁾	⁽⁴⁾	Common Stock	7,273		7,273	D

Explanation of Responses:

1. Represents shares of Common Stock acquired by the Reporting Person through an automatic dividend reinvestment program administered by the broker. This transaction was inadvertently omitted from a timely filing due to an administrative delay in receiving the broker confirmation statement and is being reported late on this Form 4.

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

Remarks:

	/s/ Philip E. Bauer, Attorney-in-Fact for Sonya C. Little	10/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR