---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-101937"
form_type: "8-K"
ticker: "NBR"
cik: "0001163739"
company_name: "NABORS INDUSTRIES LTD"
filed_at: "2026-08-27T11:05:40+00:00"
generated_at: "2026-08-27T11:10:10.447995+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Nabors invests $35M in Quaise Energy, becomes largest shareholder at 14%

## Summary
- Issued 391,944 common shares for 5,425,515 Quaise Series B-1 preferred shares at $6.4510/share.
- Nabors becomes Quaise's largest shareholder with fully diluted ownership of 14%.
- Collar mechanism: if Nabors shares sold by Quaise trade below $33.25M, Nabors issues more shares or cash; above $36.75M, Quaise pays excess.
- Nabors PACE-B rig drilling at Quaise's Project Obsidian in Oregon; first phase targets 50 MW, later up to 1 GW.
- Exclusivity arrangement for Nabors to provide drilling services for Quaise geothermal projects.

## SEC filing metadata
- accession: 0001104659-26-101937
- form_type: 8-K
- ticker: NBR
- cik: 0001163739
- company_name: NABORS INDUSTRIES LTD
- filed_at: 2026-08-27T11:05:40+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1163739/000110465926101937/0001104659-26-101937-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1163739/000110465926101937/tm2622350d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-101937
- JSON: https://secwatch.observer/filing/0001104659-26-101937.json
- Plain text: https://secwatch.observer/filing/0001104659-26-101937.txt

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