STOCK TITAN

Mosaic (NYSE: MOS) SVP sells 23,000 shares in open trade

(Very High)
(Negative)
Form Type
4

Rhea-AI Filing Summary

MOSAIC CO (MOS) executive Walter F. Precourt III, SVP – Chief Admin Officer, reported an open-market sale of 23,000 shares of Common Stock on 2026-08-19 at a weighted average price of $22.12, with individual trade prices from $22.11 to $22.13. Following the sale, he directly holds 116,198 Common shares, plus Restricted Stock Units convertible on a one-for-one basis into 24,606, 20,487, and 27,730 shares of Common Stock at a $0.00 exercise price. The filing’s Rule 10b5-1 checkbox indicates the transaction was not made pursuant to a Rule 10b5-1 trading plan.

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Insights

Analyzing...

Insider Precourt Walter F. III
Role SVP - Chief Admin Officer
Sold 23,000 shs ($509K)
Type Security Shares Price Value
Sale Common Stock F1 23,000 $22.12 $509K
holding Restricted Stock Units F2, F3, F4 -- -- --
holding Restricted Stock Units F2, F4 -- -- --
holding Restricted Stock Units F2, F4 -- -- --
Holdings After Transaction: Common Stock — 116,198 shares (Direct); Restricted Stock Units — 72,823 shares (Direct)
Footnotes (4)
  1. F1. The price reported in Column 4 is weighted average price. These shares were sold in multiple transactions at prices ranging from $22.11 to $22.13, inclusive. The reporting person undertakes to provide to The Mosaic Company, any security holder of The Mosaic Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above.
  2. F2. One-for-One
  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.
  4. F4. Not Applicable
Shares sold 23,000 shares of Common Stock Open-market sale by Walter F. Precourt III on 2026-08-19
Weighted average sale price $22.12 per share Weighted average price for the 23,000 MOS shares sold
Sale price range $22.11–$22.13 per share Range of prices for multiple sale transactions on 2026-08-19
Shares owned after transaction 116,198 shares of Common Stock Direct MOS Common Stock holdings following the sale
RSUs underlying shares (award 1) 24,606 underlying shares of Common Stock Direct Restricted Stock Units with one-for-one conversion
RSUs underlying shares (award 2) 20,487 underlying shares of Common Stock Direct Restricted Stock Units with one-for-one conversion
RSUs underlying shares (award 3) 27,730 underlying shares of Common Stock Direct Restricted Stock Units with one-for-one conversion
RSU exercise price $0.0000 per share Exercise price for reported MOS Restricted Stock Units
Restricted Stock Units financial
"The filing lists three direct RSU positions, each convertible one-for-one"
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.
weighted average price financial
"The price reported in Column 4 is weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Rule 10b5-1 trading plan regulatory
"The filing’s Rule 10b5-1 checkbox indicates the transaction was not made"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
one-for-one financial
"One-for-One"

FAQ

What insider transaction did MOS executive Walter F. Precourt III report?

Walter F. Precourt III reported an open-market sale of 23,000 MOS Common shares on 2026-08-19. The shares were sold at a weighted average price of $22.12, with individual trades between $22.11 and $22.13, as disclosed in the Form 4 footnote.

At what price were the MOS shares sold in this Form 4 filing?

The 23,000 MOS shares were sold at a weighted average price of $22.12 per share. According to the disclosure, the sales occurred in multiple transactions at prices ranging from $22.11 to $22.13, inclusive, with full trade detail available upon request.

How many MOS shares does Walter F. Precourt III own after the reported sale?

After the reported sale, Walter F. Precourt III directly owns 116,198 shares of MOS Common Stock. This figure reflects his direct Common Stock holdings immediately following the 23,000-share disposition on 2026-08-19.

Was the MOS insider sale made under a Rule 10b5-1 trading plan?

No. The Form 4’s Rule 10b5-1 checkbox is not checked, and the filing does not state that the 23,000-share sale of MOS Common Stock on 2026-08-19 was made pursuant to a Rule 10b5-1 trading plan.

What is the vesting information disclosed for the MOS Restricted Stock Units?

One RSU award is disclosed as vesting at a cumulative percentage of 33% on March 4, 2027, 66% on March 4, 2028, and 100% on March 4, 2029. This vesting schedule applies to the RSU award referenced by that specific footnote.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Precourt Walter F. III

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP - Chief Admin Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/19/2026S23,000D$22.12(1)116,198D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$0(2) (3) (4)Common Stock24,60624,606D
Restricted Stock Units$0(2)03/05/2027 (4)Common Stock20,48720,487D
Restricted Stock Units$0(2)03/04/2028 (4)Common Stock27,73027,730D
Explanation of Responses:
1. The price reported in Column 4 is weighted average price. These shares were sold in multiple transactions at prices ranging from $22.11 to $22.13, inclusive. The reporting person undertakes to provide to The Mosaic Company, any security holder of The Mosaic Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above.
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. Not Applicable
Remarks:
/s/ Philip E. Bauer, Attorney-in-Fact for Walter F. Precourt III08/20/2026
** Signature of Reporting PersonDate
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)