MOS SEC Filings: 8-K, 10-Q, S-3 & 424B – The Mosaic

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 4, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 5, 2026

11-K

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Jun 29, 2026

11-K

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Jun 29, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 11, 2026

10-K/A

Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]

Mar 17, 2026

News

TYPE

HEADLINE

FILED AT

8-K

The Mosaic Company Reports Third Quarter 2026 Results

Nov 3, 2026

8-K

The Mosaic Company Appoints Walt Precourt as Executive Vice President, Operations

Sep 24, 2026

8-K

The Mosaic Company Announces Full Redemption of Senior Notes and Debentures

Aug 28, 2026

8-K

The Mosaic Company Completes $2 Billion Senior Notes Offering

Aug 17, 2026

8-K

Mosaic Announces Final Results of Cash Tender Offers for Outstanding Debt Securities

Aug 17, 2026

8-K

Mosaic Announces Pricing Terms for Cash Tender Offers of Outstanding Debt Securities

Aug 14, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

REGISTERED OFFERING

Aug 12, 2026

424B5

PENDING FIXED PRICE OFFERING | Bank: Citigroup, BofA Securities, J.P. Morgan, Wells Fargo Securities

Aug 10, 2026

424B5

FIXED PRICE OFFERING - SENIOR NOTES | Offering amount: $900,000,000 | Bank: J.P. Morgan

Nov 12, 2025

424B5

PENDING FIXED PRICE OFFERING | Bank: J.P. Morgan, Citigroup, BMO Capital Markets, Goldman Sachs & Co. LLC

Nov 10, 2025

424B5

Common Stock

Dec 6, 2023

424B5

Common Stock

Dec 4, 2023

Registrations

TYPE

HEADLINE

FILED AT

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Aug 10, 2026

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Nov 10, 2025

S-3ASR

Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers

Nov 7, 2025

FWP

$400,000,000 5.375% Senior Notes due 2028

Dec 4, 2023

S-8

Registration

May 30, 2023

S-3ASR

Common Stock-

Nov 4, 2021

Proxies

TYPE

HEADLINE

FILED AT

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 16, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 16, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 16, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 24, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 24, 2024

PX14A6G

Form PX14A6G - Notice of exempt solicitation submitted by non-management

May 8, 2023

Ownerships

TYPE

HEADLINE

FILED AT

Fedorchuk Sarah C (Reporting)

Nov 5, 2026

Poissant Lisa L (Reporting)

Nov 5, 2026

Martus Christopher Edward (Reporting)

Nov 4, 2026

Martus Christopher Edward (Reporting)

Nov 4, 2026

Swager Karen A (Reporting)

Nov 3, 2026

Little Sonya C (Reporting)

Oct 2, 2026

Other

TYPE

HEADLINE

FILED AT

Form SD - Specialized disclosure report

Sep 28, 2026

Form SD - Specialized disclosure report

Sep 25, 2025

Form SD - Specialized disclosure report

Sep 25, 2024

LETTER

Form UPLOAD - SEC-generated letter

Nov 14, 2023

CORRESP

Form CORRESP - Correspondence

Nov 2, 2023

LETTER

Form UPLOAD - SEC-generated letter

Oct 24, 2023

The Mosaic Company MOS · SEC Filings