Russell A. Flugel - 09 Mar 2026 Form 4 Insider Report for MOSAIC CO (MOS)

Role
Principal Accounting Officer
Signature
/s/ Philip E. Bauer, Attorney-in-Fact for Russell A. Flugel
Issuer symbol
MOS
Transactions as of
09 Mar 2026
Net transactions value
$0
Form type
4
Filing time
11 Mar 2026, 16:08:55 UTC
Previous filing
28 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Flugel Russell A Principal Accounting Officer C/O THE MOSAIC COMPANY, 101 EAST KENNEDY BLVD, SUITE 2500, TAMPA /s/ Philip E. Bauer, Attorney-in-Fact for Russell A. Flugel 11 Mar 2026 0001643125

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MOS Common Stock Options Exercise +4,437 +48% $0.000000* 13,737 09 Mar 2026 Direct
transaction MOS Common Stock Options Exercise +1,108 +8.1% $0.000000* 14,845 09 Mar 2026 Direct F1
transaction MOS Common Stock Tax liability -2,384 -16% $26.92* 12,461 09 Mar 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MOS Restricted Stock Units Options Exercise -4,437 -100% $0.000000* 0 09 Mar 2026 Common Stock 4,437 $0.000000 Direct F3, F4
holding MOS Restricted Stock Units 8,074 09 Mar 2026 Common Stock 8,074 $0.000000 Direct F3, F4, F5
holding MOS Restricted Stock Units 8,540 09 Mar 2026 Common Stock 8,540 $0.000000 Direct F3, F4
holding MOS Restricted Stock Units 6,199 09 Mar 2026 Common Stock 6,199 $0.000000 Direct F3, F4
holding MOS Restricted Stock Units 11,560 09 Mar 2026 Common Stock 11,560 $0.000000 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares Issued to reporting person upon the vesting of a performance unit award granted to reporting person on March 9, 2023. The performance unit award was not a derivative security.
F2 Shares sold to cover tax liability incurred as a result of most recent vesting of restricted stock and performance units.
F3 One-for-One
F4 Not Applicable
F5 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.