KOS Kosmos Energy Ltd.
company
SEC Filings & Insider Trading Activity 2026

CIK: 1509991
Energy
Crude Petroleum & Natural Gas 61 filings
Russell 2000

Latest Kosmos Energy Ltd. (KOS) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on March 2, 2026, a 10-Q quarterly report filed on November 4, 2025, an 8-K current report filed on March 12, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Kosmos Energy Ltd. (KOS) (SEC CIK 1509991), with AI-powered section-by-section summaries updated daily.

10-Q: 41
10-K: 14
8-K: 6

Latest 2026 SEC Filing Dates

10-K Annual Report
Mar 2, 2026
10-Q Quarterly Report
Nov 4, 2025
8-K Current Report
Mar 12, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Core business model: Exploration, development, and production of oil, natural gas, and LNG
  • No new products or business segments introduced or emphasized in 2026 filing
+3 more insights

Risk Factors

  • Regulatory risk from Ghana license extension: Government share to increase by 10% starting July 2036, reducing partners’ shares pro rata
  • Geopolitical risk in Equatorial Guinea: Ceiba and Okume asset sale for $180M upfront pending CEMAC approval delays
+3 more insights

Management Discussion & Analysis

  • Revenue $1.29B in 2025, down $387M YoY from $1.68B in 2024, due to lower prices, offset by LNG ramp-up in Mauritania/Senegal
  • Net loss of $700M in 2025 vs. net income $190M in 2024; oil and gas production costs increased to $709M in 2025 from $531M; depletion & amortization $557M vs. $457M
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Management Discussion & Analysis

  • No quarterly revenue or YoY comparison data disclosed in provided text
  • No profitability or margin figures included for this quarter

Risk Factors

  • New credit agreement: $150M tranche funded Oct 2025 under Gulf of America Term Loan Facility secured by Gulf of America assets, maturity 2029, reductions in 7.125% notes
  • Exploration expense increase: $51.1M charge for plugged and abandoned Winterfell-4 well in Q3 2025 impacting operating costs
Read full Q3 2025 10-Q analysis →

AI 8-K Current Report Analysis
Recent 8-K Filings

Filed Mar 12, 2026
8-K
Full analysis →

Item 8.01: Other Events

  • Kosmos sold 97.5M shares + 14.625M overallotment (exercised in full), totaling 112.125M shares in a registered public offering
  • Offering closed March 12, 2026 — no pricing terms disclosed in this filing, so proceeds unclear without prospectus supplement
Filed Mar 2, 2026
8-K
Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Q4 and full-year 2025 earnings released March 2, 2026 — full results in Exhibit 99.1
  • Filing is Reg FD-style disclosure; not "filed" under Section 18, limiting shareholder litigation liability

Item 7.01: Regulation FD Disclosure

  • Kosmos Energy (KOS) released Q4 and full-year 2025 earnings results on March 2, 2026
  • Financials contained in Exhibit 99.1 — key metrics, revenue, and production figures found there
Filed Feb 25, 2026
8-K
Full analysis →

Item 7.01: Regulation FD Disclosure

  • Kosmos Energy announced entry into a Sales and Purchase Agreement (SPA) on Feb 24, 2026
  • SPA details and full terms contained in Exhibit 99.1 — key deal metrics require review of attached press release

Item 1.01: Entry into a Material Definitive Agreement

  • Sale of 40.375% participating interest in Ceiba Field and Okume Complex (Block G, Equatorial Guinea) to Panoro Energy ASA subsidiary
  • Upfront cash consideration of $180M, subject to adjustments

Annual Reports Archive
10-K

AI-powered analysis of Kosmos Energy Ltd. (KOS) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Kosmos Energy Ltd. (KOS) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Kosmos Energy Ltd. (KOS) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2021FY2022FY2023FY2024FY2025
Profitability
Revenue$1.3B$2.2B$1.7B$1.7B$1.3B
Net Income-$77.8M$226.6M$213.5M$189.9M-$699.8M
Net Margin-5.8%10.1%12.5%11.3%-54.3%
Balance Sheet
Total Assets$4.9B$4.6B$4.9B$5.3B$4.7B
Equity$529.2M$787.8M$1.0B$1.2B$528.6M
ROE-14.7%28.8%20.7%15.8%-132.4%

Source: XBRL financial data from Kosmos Energy Ltd. (KOS) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Mar 12, 2026Analysis
10-K
Mar 2, 2026Dec 31, 2025Analysis
8-K
Mar 2, 2026Analysis
8-K
Feb 25, 2026Analysis
8-K
Jan 29, 2026
8-K
Jan 26, 2026
8-K
Jan 12, 2026
10-Q
Nov 4, 2025Sep 30, 2025Analysis
10-Q
Aug 4, 2025Jun 30, 2025
10-Q
May 6, 2025Mar 31, 2025
10-K
Feb 24, 2025Dec 31, 2024
10-Q
Nov 4, 2024Sep 30, 2024
10-Q
Aug 5, 2024Jun 30, 2024
10-Q
May 7, 2024Mar 31, 2024
10-K
Feb 26, 2024Dec 31, 2023
10-Q
Nov 6, 2023Sep 30, 2023
10-Q
Aug 7, 2023Jun 30, 2023
10-Q
May 9, 2023Mar 31, 2023
10-K
Feb 28, 2023Dec 31, 2022
10-Q
Nov 7, 2022Sep 30, 2022
10-Q
Aug 8, 2022Jun 30, 2022
10-Q
May 9, 2022Mar 31, 2022
10-K
Feb 28, 2022Dec 31, 2021
10-Q
Nov 8, 2021Sep 30, 2021
10-Q
Aug 9, 2021Jun 30, 2021

Frequently Asked Questions

What are the latest KOS SEC filings in 2026?

Kosmos Energy Ltd. (KOS) has filed a 10-K annual report on March 2, 2026, a 10-Q quarterly report on November 4, 2025, an 8-K current report on March 12, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did KOS file its most recent 10-K annual report?

Kosmos Energy Ltd. (KOS) filed its most recent 10-K annual report on March 2, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view KOS 10-Q quarterly reports?

Kosmos Energy Ltd. (KOS)'s most recent 10-Q quarterly report was filed on November 4, 2025. SignalX displays every KOS 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has KOS filed recently?

Kosmos Energy Ltd. (KOS)'s most recent 8-K was filed on March 12, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find KOS insider trading activity (Form 4)?

SignalX aggregates every KOS Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does KOS file with the SEC?

Kosmos Energy Ltd. (KOS) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new KOS filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Kosmos Energy Ltd. (KOS).

What is KOS's SEC CIK number?

Kosmos Energy Ltd. (KOS)'s SEC CIK (Central Index Key) number is 1509991. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1509991 to look up all KOS filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find KOS return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Kosmos Energy Ltd. (KOS) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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