Welcome to our dedicated page for Kosmos Energy SEC filings (Ticker: KOS), 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 Kosmos Energy Ltd. (KOS) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as a dual-listed issuer on the New York Stock Exchange and London Stock Exchange. These filings help investors understand how Kosmos manages its deepwater oil and gas portfolio, finances large offshore projects and reports material events.
Through documents such as Form 8-K current reports, Kosmos details material events including senior secured term loan agreements, reserve-based lending facility developments, tender offers for outstanding senior notes and new senior secured bond offerings. Filings also reference the company’s common stock listing under the symbol KOS and describe how term loans and bonds are secured, guaranteed and used to refinance existing debt.
Quarterly results announcements furnished on Form 8-K outline operational and financial performance, including production trends across Ghana, Equatorial Guinea, Mauritania/Senegal and the Gulf of America, as well as capital expenditure levels, liquidity and hedging activity. Other 8-K filings address items such as conditional redemption notices for senior notes and certain executive or governance changes.
On Stock Titan, these SEC filings are paired with AI-powered summaries that highlight key terms, conditions and implications of each document. Investors can quickly see the main points of a credit agreement, tender offer or results release without reading every page, while still having direct access to the full filing. Real-time updates from EDGAR ensure that new KOS 8-Ks, 10-Qs, 10-Ks and other forms appear promptly, alongside insider-related filings such as Form 4 when available, giving a structured view of Kosmos Energy’s regulatory record.
KOS has a Form 144 notice covering the planned sale of 19,285 shares of its common stock. These shares have an aggregate market value of $26,549.66 and are expected to be sold on or around February 3, 2026 on the NYSE through Fidelity Brokerage Services LLC.
The 19,285 shares were acquired on February 2, 2026 via restricted stock vesting from the issuer as compensation. The filing notes that 478,326,954 shares of this class were outstanding, providing context for the size of the planned sale.
Kosmos Energy Ltd. announced early results for its cash tender offer for up to $250,000,000 of its 7.750% Senior Notes due 2027. As of the early tender deadline on January 28, 2026, holders had validly tendered and not withdrawn $182,457,000 principal amount of these notes, and the same amount was accepted for purchase at total consideration of $990.00 per note as shown.
Kosmos has elected to make payment for all notes tendered by the early deadline and expects to complete this early settlement on or about February 3, 2026, subject to satisfaction of the specified Escrow Release Conditions.
Kosmos Energy Ltd. has extended the early participation window for its ongoing debt tender offer. The company is conducting a cash tender offer for up to $250.0 million aggregate principal amount of its outstanding 7.750% Senior Notes due 2027.
The Early Tender Time and Withdrawal Deadline, originally set for 5:00 p.m. New York City time on January 26, 2026, are now extended to 5:00 p.m. New York City time on January 28, 2026. This change gives noteholders more time to tender their notes and still be eligible to receive the Total Consideration described in the Offer to Purchase dated January 12, 2026. The filing clarifies that this notice itself is not an offer to purchase or a solicitation to sell the notes.
BlackRock Portfolio Management LLC has filed an amended Schedule 13G reporting its beneficial ownership in Kosmos Energy Ltd. common stock as of 12/31/2025. The firm reports beneficial ownership of 8,291,480 shares, representing 1.7% of Kosmos Energy’s outstanding common stock. It has sole voting power over 7,756,892 shares and sole dispositive power over 8,291,480 shares, with no shared voting or dispositive power.
The filing explains that the position reflects securities beneficially owned, or deemed beneficially owned, by certain business units of BlackRock, Inc. and its affiliates, and confirms that the holdings are managed in the ordinary course of business. The filer certifies that the securities were not acquired for the purpose of changing or influencing control of Kosmos Energy.
Kosmos Energy Ltd. has launched a cash tender offer for up to $250,000,000 aggregate principal amount of its outstanding 7.750% Senior Notes due 2027, out of a total of $350,000,000 outstanding. The offer runs until 5:00 p.m. New York City time on February 9, 2026, with an early tender deadline at 5:00 p.m. on January 26, 2026.
Investors who tender by the early deadline and are accepted will receive total consideration of $990.00 per $1,000 principal amount, including a $50.00 early tender payment. Those tendering after the early deadline but before expiration receive $940.00 per $1,000. Accrued interest will also be paid, and tenders may be subject to proration if demand exceeds the cap.
The tender is conditioned on a new $350,000,000 senior secured bond offering due 2031, whose net proceeds, once released from escrow, are intended to fund the tender, repay certain reserve-based lending borrowings, and support general corporate purposes. Kosmos states it is using this combination to manage the maturity profile of its debt and may further redeem or repurchase notes so that no more than $100,000,000 of the 2027 notes remain outstanding.
Kosmos Energy Ltd. plans to redeem all of its outstanding 7.125% senior notes due 2026. The company will issue a conditional notice of redemption, with redemption expected to occur on January 13, 2026. The redemption is expected to be funded by a draw under Kosmos Energy’s Senior Secured Term Loan Credit Agreement dated September 24, 2025. The company also clarifies that this report does not itself constitute a notice of redemption for the notes.
An insider has filed a Rule 144 notice to sell 1430084 common shares of the KOS issuer. The shares are expected to be sold on or about 12/18/2025 through broker Coutts & Co on the NYSE, with an aggregate market value indicated as 1420931.00. The filing states that 478326954 shares of the same class were outstanding.
The securities to be sold were acquired on 12/18/2025 through restricted stock vesting from the issuer as compensation, rather than a cash purchase. By signing the notice, the seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.
A holder of KOS common stock filed a notice of intent to sell 7,787 shares through broker Coutts & Co on the NYSE, with an aggregate market value of $7,163.00. These shares are part of a much larger base of 478,326,954 common shares outstanding.
The shares to be sold were acquired on 12/17/2025 from the issuer via restricted stock vesting as compensation, with payment also dated 12/17/2025. The seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.
Grantham, Mayo, Van Otterloo & Co. LLC (GMO) filed Amendment No. 3 to Schedule 13G, reporting a passive stake in Kosmos Energy Ltd. (KOS).
GMO beneficially owns 34,780,967 shares of Kosmos Energy common stock, representing 7.27% of the class as of the event date 09/30/2025. GMO reports sole voting power and sole dispositive power over 34,780,967 shares, with no shared voting or dispositive power.
The filer certified the securities were acquired and are held in the ordinary course of business and not to change or influence control.
Kosmos Energy (KOS) reported a Q3 2025 net loss of $124.3 million on oil and gas revenue of $311.0 million. Year‑to‑date, revenue was $995.2 million with a net loss of $322.6 million. Operating cash flow fell to $98.7 million for the nine months, reflecting lower realized prices, delayed Jubilee cargoes, and pre‑production and early ramp‑up costs tied to Greater Tortue Ahmeyim (GTA) Phase 1. Cash and cash equivalents were $64.0 million, with total debt principal of $3.03 billion, including $1.125 billion drawn on the Facility and $225 million undrawn availability.
In July, lenders amended the Facility’s debt cover ratio to a maximum of 4.0x for September 2025 and 4.25x for March 2026, reverting to 3.50x thereafter. Management notes circumstances under which the company may not meet the covenant at the March and September 2026 assessment dates and outlined a mitigation plan to reduce TEN operating and corporate costs and potentially monetize hedges. In October, Kosmos funded a $150 million Gulf of America secured term loan and redeemed $150 million of 7.125% notes. Shares outstanding were 478,326,954 as of October 30, 2025.