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Mosaic (NYSE: MOS) CFO receives 38,447 Restricted Stock Unit award

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Pires Luciano Siani reported acquisition or exercise transactions in this Form 4 filing.

Mosaic Co EVP and CFO Luciano Siani Pires reported an equity award of 38,447 Restricted Stock Units (RSUs). The RSUs were granted at no cash cost and are convertible into Mosaic common shares on a one-for-one basis.

The award vests cumulatively, with 33% vesting on March 4, 2027, 66% on March 4, 2028, and 100% on March 4, 2029. The filing also lists his existing direct and indirect holdings of RSUs and common stock as of the transaction date.

Positive

  • None.

Negative

  • None.
Insider Pires Luciano Siani
Role EVP and CFO
Type Security Shares Price Value
Grant/Award Restricted Stock Units 38,447 $0.00 --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 38,447 shares (Direct); Common Stock — 10,000 shares (Indirect, Waterside International Ventures Limited); Common Stock — 6,040 shares (Direct)
Footnotes (1)
  1. One-for-One The award vests cumulatively as follows: 33% on March 4, 2027, 66% on March 4, 2028 and 100% on March 4, 2029. Not Applicable
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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*
Pires Luciano Siani
(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)
EVP and CFO
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 10,000 I Waterside International Ventures Limited
Common Stock 6,040 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 38,447 (2) (3) Common Stock 38,447 $0 38,447 D
Restricted Stock Units $0(1) 11/18/2027 (3) Common Stock 15,498 15,498 D
Restricted Stock Units $0(1) 03/04/2028 (3) Common Stock 43,328 43,328 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, Attorney-in-fact for Luciano Siani Pires 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Mosaic (MOS) report for EVP and CFO Luciano Siani Pires?

Mosaic’s EVP and CFO Luciano Siani Pires reported receiving 38,447 Restricted Stock Units as an equity award. These RSUs were granted at no cash cost and are structured to convert into Mosaic common stock, reflecting stock-based compensation rather than an open-market purchase or sale.

How many Restricted Stock Units did the Mosaic (MOS) CFO receive in this Form 4 filing?

The Mosaic CFO received an award of 38,447 Restricted Stock Units. This grant increases his stock-based compensation position and aligns his interests with shareholders, since each RSU is designed to convert into one share of Mosaic common stock if vesting and other applicable conditions are met.

What is the vesting schedule for the Mosaic (MOS) CFO’s 38,447 RSU award?

The 38,447 RSUs vest cumulatively over three years. According to the disclosure, 33% vest on March 4, 2027, 66% on March 4, 2028, and 100% on March 4, 2029, subject to any applicable continued service or plan requirements.

What does one-for-one conversion mean for the Mosaic (MOS) CFO’s RSUs?

One-for-one conversion means each Restricted Stock Unit can settle into one share of Mosaic common stock. When vesting and settlement conditions are met, the number of RSUs determines how many common shares the executive ultimately receives, directly linking the award’s value to Mosaic’s share price.

Does this Mosaic (MOS) Form 4 show any stock sales by the CFO?

The Form 4 highlights a grant of 38,447 Restricted Stock Units classified as an acquisition-type award. There are no reported open-market stock sales in this data; other line items describe existing direct and indirect holdings of RSUs and common stock rather than disposals.

How are indirect Mosaic (MOS) shares held for the reporting executive?

The filing notes an indirect holding of Mosaic common stock through Waterside International Ventures Limited. This indicates some shares are owned via that entity rather than directly, while additional Mosaic shares and RSUs are listed as held directly in the executive’s name in the same report.