Welcome to our dedicated page for Mosaic SEC filings (Ticker: MOS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Mosaic Company (NYSE: MOS) files a range of reports and current disclosures with the U.S. Securities and Exchange Commission, providing detailed information about its operations as a producer and marketer of concentrated phosphate and potash crop nutrients and related agricultural products. This SEC filings page brings those documents together and pairs them with AI-powered summaries to help readers understand the key points without having to parse every technical detail.
Mosaic’s recent Form 8-K filings illustrate several recurring themes. Some 8-Ks are furnished in connection with earnings announcements and performance data for specific quarters, offering insight into the company’s results of operations and financial condition. Other 8-Ks describe material events such as the closing of an underwritten public offering of senior notes due in 2029 and 2030, including information about the aggregate principal amounts, intended use of proceeds for general corporate purposes, and the unsecured status of the notes relative to Mosaic’s existing senior unsecured debt.
These filings also confirm key corporate details, such as Mosaic’s incorporation in Delaware, its listing on the New York Stock Exchange under the symbol MOS, and the location of its principal executive offices in Tampa, Florida. Exhibits to the 8-Ks may include underwriting agreements, forms of notes, legal opinions, and press releases that elaborate on the events being reported.
On this page, real-time updates from the SEC’s EDGAR system are combined with AI-generated explanations that highlight important sections of Mosaic’s 8-Ks, 10-Ks, 10-Qs, and other forms. Users can quickly identify disclosures about earnings, debt offerings, and other material developments, as well as track how Mosaic communicates its financial position, capital structure, and operational performance through its regulatory reporting.
FMR LLCMosaic Co common stock. As of 12/31/2025, FMR LLC and Abigail P. Johnson together beneficially owned 39,980,660.50 Mosaic shares, representing 12.6% of the common stock.
FMR LLC reported sole voting power over 30,816,037.86 shares and sole dispositive power over 39,980,660.50 shares. Abigail P. Johnson reported sole dispositive power over the same 39,980,660.50 shares. The filing states the securities are held in the ordinary course of business and not for the purpose of changing or influencing control of Mosaic.
The ownership is held on behalf of multiple underlying investors, with at least one other person having rights to dividends or sale proceeds, but no single other person has more than five percent of Mosaic’s outstanding common stock.
The Mosaic Company filed a Form 8-K to furnish a press release that shares certain preliminary financial and operating results for the quarter and full year ended December 31, 2025. The press release, dated January 16, 2026 and attached as Exhibit 99.1, contains the detailed figures and commentary. The company notes that this information is being furnished, not filed, so it is not automatically subject to certain Exchange Act liabilities or incorporated into other securities filings unless specifically referenced.
The Mosaic Company executive reports routine equity compensation activity. The company’s Senior Vice President, General Counsel and Corporate Secretary reported the vesting of 5,865 restricted stock units on 01/02/2026, converting into the same number of Mosaic common shares at a stated price of $0. After this vesting, the executive directly held 30,117 common shares.
On 01/05/2026, 1,739 shares of Mosaic common stock were disposed of at $25.02 per share, with a footnote stating the shares were sold to cover tax liability from the RSU vesting. Following these transactions, the executive directly owned 28,378 Mosaic common shares. The filing also lists remaining restricted stock units that may settle into 7,613, 14,085 and 20,797 common shares on future dates if vesting conditions are met.
The Mosaic Company closed a two‑tranche debt offering, issuing $500,000,000 of 4.350% senior notes due 2029 and $400,000,000 of 4.600% senior notes due 2030. The notes were sold under an underwriting agreement with major banks and issued pursuant to an existing indenture.
Mosaic expects approximately $893.5 million in net proceeds after underwriting discounts and estimated expenses. The company plans to use the funds for general corporate purposes, which may include repayment of indebtedness, with any interim balances invested in short‑term instruments. The securities were registered on a Form S‑3 filed on November 7, 2025.
The Mosaic Company director reported an open-market purchase of 685 shares of common stock at $25.53 on November 11, 2025, increasing direct holdings to 8,571 shares. The filing also lists 4,873 restricted stock units, exchangeable one-for-one for common stock, which are scheduled to vest and be paid on the date of the issuer’s 2026 Annual Meeting of Stockholders.
The Mosaic Company launched a primary debt offering of $900,000,000 in senior unsecured notes, consisting of $500,000,000 4.350% notes due 2029 and $400,000,000 4.600% notes due 2030. Interest is paid semiannually, with the 2029 series on January 15 and July 15 (first payment July 15, 2026) and the 2030 series on May 15 and November 15 (first payment May 15, 2026). The notes mature on January 15, 2029 and November 15, 2030, respectively.
The public offering prices were 99.934% for the 2029 notes and 99.885% for the 2030 notes, with underwriting discounts of 0.400% and 0.600%. Mosaic estimates net proceeds of approximately $893.5 million, to be used for general corporate purposes, which may include repayment of indebtedness. The notes are senior unsecured obligations ranking equally with Mosaic’s existing and future unsecured senior debt.
Mosaic may redeem the notes, including at par after the applicable Par Call Date, and must offer to repurchase at 101% upon a Change of Control Triggering Event. The company expects the notes to be rated investment grade. The notes are new issues and will not be listed; settlement is expected through DTC.
The Mosaic Company launched a preliminary prospectus supplement to offer new senior unsecured notes under its automatic shelf registration. The notes will pay interest semiannually, include optional redemption features (including a make-whole provision before the Par Call Date and 100% of principal thereafter), and carry a holder right to require repurchase at 101% of principal upon a Change of Control Triggering Event.
The notes will rank equally with Mosaic’s other unsecured senior debt, be issued in $2,000 minimum denominations via DTC in global form, and will not be listed on any exchange. Mosaic expects to use proceeds for general corporate purposes, which may include repayment of indebtedness. As of September 30, 2025, consolidated subsidiaries had approximately $1.3 billion of indebtedness.
The Mosaic Company filed an automatic shelf registration statement on Form S-3 as a well‑known seasoned issuer. This filing allows Mosaic and/or selling stockholders to offer, from time to time after effectiveness, common stock, preferred stock, debt securities, and warrants via future prospectus supplements that will set the specific amounts, prices and terms.
Sales may be made directly or through underwriters, agents or dealers, with the plan of distribution detailed in each supplement. Mosaic will use net proceeds from its own primary offerings as described in the applicable supplement, and it will not receive proceeds from any sales by selling stockholders. Mosaic’s common stock trades on the NYSE under “MOS.”
The Mosaic Company reported stronger quarterly results. For the three months ended September 30, 2025, net sales were $3,452.1 million and diluted EPS reached $1.29, up from $0.38 a year ago. Gross margin improved to $552.3 million$339.8 million. Other income and foreign currency effects supported results, lifting earnings from consolidated companies before taxes to $599.3 million.
Year to date, net sales were $9,078.7 million with net earnings attributable to Mosaic of $1,060.2 million. Operating cash flow for the nine months was $880.9 million versus capital expenditures of $1,009.8 million. On the balance sheet, inventories increased to $3,279.1 million, equity securities were $1,894.5 million, and short‑term debt was $1,153.7 million. Mosaic amended its $2.5 billion unsecured revolving credit facility, extending maturity to May 16, 2030. Commercial paper outstanding was $773.8 million.
Asset retirement obligations totaled $2,538.9 million, including reserves of $65.4 million for New Wales Phase II West repairs and $6.3 million for Phase II East. Shares outstanding were 317,407,176 as of September 30, 2025.
The Mosaic Company (MOS) furnished an 8-K announcing that it provided a press release covering earnings and results of operations for the quarter ended September 30, 2025, issued on November 4, 2025. The materials are furnished under General Instruction B.2. and are not deemed filed.
Exhibit 99.1 contains the earnings press release, and Exhibit 99.2 provides performance data for the period ended September 30, 2025. These exhibits are incorporated by reference as specified and do not carry Section 18 liability when furnished.