---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-26-003690"
form_type: "8-K"
ticker: "KOS"
cik: "0001509991"
company_name: "Kosmos Energy Ltd."
filed_at: "2026-03-12T23:59:59+00:00"
generated_at: "2026-05-15T13:16:01.691948+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Kosmos Energy closes public offering of 112.125M shares of common stock

## Summary
- Sold 97.5M shares initially; underwriters exercised option for additional 14.625M shares on March 11.
- Offering closed on March 12, 2026; underwriters led by Barclays and Stifel.
- Issued total of 112.125M shares under effective shelf registration statement on Form S-3.

## SEC filing metadata
- accession: 0000950103-26-003690
- form_type: 8-K
- ticker: KOS
- cik: 0001509991
- company_name: Kosmos Energy Ltd.
- filed_at: 2026-03-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1509991/000095010326003690/0000950103-26-003690-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1509991/000095010326003690/dp243230_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-26-003690
- JSON: https://secwatch.observer/filing/0000950103-26-003690.json
- Plain text: https://secwatch.observer/filing/0000950103-26-003690.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.