Company · CIK 1509991 # Kosmos Energy Ltd. Source: SEC EDGAR · as of 2026-10-27 06:30 UTC · latest filing day 2026-10-26 | CIK | [1509991](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001509991) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 1311 — Crude Petroleum & Natural Gas | | Incorporated in | DE | | Business address | TX | | Listed | KOS (NYSE) | | First annual or quarterly report | 2011-06-06 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-280362 | Shelf Effective | 2024-06-20 | 2026-03-12 | 2 | | 333-257246 | Shelf Effective | 2021-06-21 | 2021-10-15 | 2 | | 333-230284 | Shelf Effective | 2019-03-14 | 2019-03-14 | 1 | | 333-227084 | Shelf Effective | 2018-08-28 | 2018-08-28 | 1 | | 333-205144 | Shelf Effective | 2015-06-22 | 2015-06-22 | 1 | | 333-182280 | Shelf Final prospectus | 2012-06-22 | 2014-10-08 | 4 | | 333-171700 | IPO Final prospectus | 2011-01-14 | 2011-05-12 | 9 | ## Filings 20 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-03-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1509991/000110465926026566/0001104659-26-026566-index.htm) Shelf takedown | 333-280362 | 0001104659-26-026566 | | 2024-06-20 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000095010324008573/0000950103-24-008573-index.htm) Shelf registered | 333-280362 | 0000950103-24-008573 | | 2021-10-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1509991/000110465921126779/0001104659-21-126779-index.htm) Shelf takedown | 333-257246 | 0001104659-21-126779 | | 2021-06-21 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000095010321009090/0000950103-21-009090-index.htm) Shelf registered | 333-257246 | 0000950103-21-009090 | | 2019-03-14 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000095010319003412/0000950103-19-003412-index.htm) Shelf registered | 333-230284 | 0000950103-19-003412 | | 2018-08-28 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000104746918005845/0001047469-18-005845-index.htm) Shelf registered | 333-227084 | 0001047469-18-005845 | | 2015-06-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000104746915005645/0001047469-15-005645-index.htm) Shelf registered | 333-205144 | 0001047469-15-005645 | | 2014-10-08 | [424B4](https://www.sec.gov/Archives/edgar/data/1509991/000104746914008188/0001047469-14-008188-index.htm) Final prospectus | 333-182280 | 0001047469-14-008188 | | 2014-07-11 | [424B4](https://www.sec.gov/Archives/edgar/data/1509991/000104746914006165/0001047469-14-006165-index.htm) Final prospectus | 333-182280 | 0001047469-14-006165 | | 2013-02-15 | [424B4](https://www.sec.gov/Archives/edgar/data/1509991/000104746913001189/0001047469-13-001189-index.htm) Final prospectus | 333-182280 | 0001047469-13-001189 | | 2012-06-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1509991/000104746912006855/0001047469-12-006855-index.htm) Shelf registered | 333-182280 | 0001047469-12-006855 | | 2011-05-12 | [424B1](https://www.sec.gov/Archives/edgar/data/1509991/000104746911004982/0001047469-11-004982-index.htm) Final prospectus | 333-171700 | 0001047469-11-004982 | | 2011-05-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1509991/999999999511001464/9999999995-11-001464-index.htm) Declared effective | 333-171700 | 9999999995-11-001464 | | 2011-04-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911004044/0001047469-11-004044-index.htm) Amendment | 333-171700 | 0001047469-11-004044 | | 2011-04-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911004005/0001047469-11-004005-index.htm) Amendment | 333-171700 | 0001047469-11-004005 | | 2011-04-14 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911003662/0001047469-11-003662-index.htm) Amendment | 333-171700 | 0001047469-11-003662 | | 2011-03-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911002846/0001047469-11-002846-index.htm) Amendment | 333-171700 | 0001047469-11-002846 | | 2011-03-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911002506/0001047469-11-002506-index.htm) Amendment | 333-171700 | 0001047469-11-002506 | | 2011-03-03 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1509991/000104746911001716/0001047469-11-001716-index.htm) Amendment | 333-171700 | 0001047469-11-001716 | | 2011-01-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1509991/000104746911000139/0001047469-11-000139-index.htm) Registration filed | 333-171700 | 0001047469-11-000139 | [All filings of this company](https://equitycapital.markets/filings?cik=1509991) · [CSV](https://equitycapital.markets/filings.csv?cik=1509991) --- Source page: https://equitycapital.markets/company/1509991 · Data: U.S. SEC EDGAR · CC BY 4.0