MOS

mos-20260224MOSAIC CO0001285785false00012857852026-02-242026-02-2400012857852024-02-212024-02-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2026

THE MOSAIC COMPANY

(Exact name of registrant as specified in its charter)

Delaware001-3232720-1026454 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

101 East Kennedy Blvd.33602

Suite 2500 Tampa, Florida

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (800) 918-8270 Not applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): ☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareMOSNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

☐Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02.Results of Operations and Financial Condition.

The following information is being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such filing: Furnished herewith as Exhibit 99.1 and incorporated by reference herein is the text of The Mosaic Company’s (“Mosaic,” and Mosaic and its subsidiaries, individually or in any combination, “we,” “us” or “our”) announcement regarding its earnings and results of operations for the quarter and full year ended December 31, 2025, as presented in a press release issued on February 24, 2026. Furnished herewith as Exhibit 99.2 and incorporated by reference herein is certain performance data for the period ended December 31, 2025 to be published on Mosaic’s website.

Item 9.01.Financial Statements and Exhibits.

(d) Exhibits. Reference is made to the Exhibit Index hereto with respect to the exhibits furnished herewith. The following exhibits are being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed to be incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

Exhibit No.  Description

99.1  Press release, dated February 24, 2026, of The Mosaic Company regarding its earnings and results of operations for the quarter and full year ended December 31, 2025

99.2  Performance data for the period ended December 31, 2025

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

THE MOSAIC COMPANY

Date: February 24, 2026  By: /s/ Philip E. Bauer Name: Philip E. Bauer Title: Senior Vice President, General Counsel and Corporate Secretary

mos-20251104MOSAIC CO0001285785false00012857852025-05-062025-05-0600012857852025-11-042025-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2025

THE MOSAIC COMPANY

(Exact name of registrant as specified in its charter)

DE001-3232720-1026454

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

101 East Kennedy Blvd. 33602

Suite 2500 Tampa, Florida

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (800) 918-8270 Not applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareMOSNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

☐Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02.Results of Operations and Financial Condition.

The following information is being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such filing: Furnished herewith as Exhibit 99.1 and incorporated by reference herein is the text of The Mosaic Company’s (“Mosaic,” and Mosaic and its subsidiaries, individually or in any combination, “we,” “us” or “our”) announcement regarding its earnings and results of operations for the quarter ended September 30, 2025, as presented in a press release issued on November 4, 2025. Furnished herewith as Exhibit 99.2 and incorporated by reference herein is certain performance data for the period ended September 30, 2025 to be published on Mosaic’s website.

Item 9.01.Financial Statements and Exhibits.

(d) Exhibits. Reference is made to the Exhibit Index hereto with respect to the exhibits furnished herewith. The following exhibits are being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed to be incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

Exhibit No. Description

99.1  Press release, dated November 4, 2025, of The Mosaic Company regarding its earnings and results of operations for the quarter ended September 30, 2025

99.2Performance data for the period ended September 30, 2025

104Cover Page Interactive Data File, formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

THE MOSAIC COMPANY

Date: November 4, 2025By:/s/ Philip E. Bauer Name:Philip E. Bauer Title:Senior Vice President, General Counsel and Corporate Secretary

mos-20250805MOSAIC CO0001285785false00012857852025-05-062025-05-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025

THE MOSAIC COMPANY

(Exact name of registrant as specified in its charter)

DE001-3232720-1026454

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

101 East Kennedy Blvd. 33602

Suite 2500 Tampa, Florida

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (800) 918-8270 Not applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareMOSNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

☐Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02.Results of Operations and Financial Condition.

The following information is being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such filing: Furnished herewith as Exhibit 99.1 and incorporated by reference herein is the text of The Mosaic Company’s (“Mosaic,” and Mosaic and its subsidiaries, individually or in any combination, “we,” “us” or “our”) announcement regarding its earnings and results of operations for the quarter ended June 30, 2025, as presented in a press release issued on August 5, 2025. Furnished herewith as Exhibit 99.2 and incorporated by reference herein is certain performance data for the period ended June 30, 2025 to be published on Mosaic’s website.

Item 9.01.Financial Statements and Exhibits.

(d) Exhibits. Reference is made to the Exhibit Index hereto with respect to the exhibits furnished herewith. The following exhibits are being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall they be deemed to be incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

Exhibit No. Description

99.1  Press release, dated August 5, 2025, of The Mosaic Company regarding its earnings and results of operations for the quarter ended June 30, 2025

99.2Performance data for the period ended June 30, 2025

104Cover Page Interactive Data File, formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

THE MOSAIC COMPANY

Date: August 5, 2025By:/s/ Philip E. Bauer Name:Philip E. Bauer Title:Senior Vice President, General Counsel and Corporate Secretary