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.
Kosmos Energy Ltd. filings document the company’s deepwater exploration and production business, its common stock registered on the New York Stock Exchange and London Stock Exchange, and recurring material-event disclosures. Form 8-K reports cover operating and financial results, Regulation FD releases, debt tender activity, registered equity offering materials, underwriting agreements, and other capital-structure matters.
The filing record also includes proxy materials covering shareholder voting and governance matters. These disclosures address board and executive governance, capital allocation, operating priorities, financing arrangements, and the offshore asset portfolio in Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America.
KOS filed a Rule 144 notice covering a planned sale of 19,656 shares of its common stock through Fidelity Brokerage Services on the NYSE, with an approximate sale date of February 3, 2026 and an aggregate market value of 27,060.41.
The 19,656 shares were acquired from the issuer on February 2, 2026 through restricted stock vesting as compensation. The notice states that 478,326,954 shares of the issuer’s common stock were outstanding, providing a baseline for the company’s total equity.
Kosmos Energy holder plans to sell restricted stock under Rule 144. The notice covers the proposed sale of 54,434 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $74,939.29 and an approximate sale date of 02/03/2026.
The shares were acquired from the issuer on 02/02/2026 through restricted stock vesting as compensation. Common shares outstanding were 478,326,954, which is a baseline figure for the issuer’s equity.
A shareholder of KOS has filed a notice of proposed sale of restricted stock under Rule 144. The filing covers the planned sale of 103,554 shares of common stock, with an indicated aggregate market value of $142,562.79, through Fidelity Brokerage Services LLC on the NYSE on or about 02/03/2026.
These shares were acquired from the issuer on 02/02/2026 via restricted stock vesting as compensation, and the purchase price was paid in the form of compensation rather than cash. The filing also states that the seller represents they do not know of any undisclosed material adverse information about the issuer.
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.