Quantum Helium Limited said non-executive director Graham Duncan has purchased 39,300,000 ordinary shares at 0.039p per share.

Quantum Helium Limited (AIM: QHE) said Executive Director Andrew Scott has purchased 45,000,000 ordinary shares at 0.04p per share, with the transactions completed on 29 and 30 December 2025.

Year-End Operational Update

Sproule ERCE Confirms Major Helium Resource at Coyote Wash  Over 1 BCF of Independently Verified Gross Helium Resources Across Colorado Projects Establishes Quantum Helium Among the Largest Independently Certified Helium Companies

Quantum Helium Limited (AIM: QHE) has updated the net prospective resource figures for its Sagebrush Helium Project in Colorado following an increase in its working interest from 82.5% to 90%.

Quantum Increases Working Interest in Sagebrush Helium Project to 90%

Director / PDMR Shareholding

3D Seismic Acquisition Commences at Sagebrush Project, Colorado

Mosman Oil and Gas Limited has officially changed its name to Quantum Helium Limited, marking a significant strategic shift toward helium exploration and development. The change took effect on 13

Mosman Oil and Gas Limited (AIM: MSMN) has appointed independent consultancy Sproule ERCE to prepare a Competent Person’s Report (CPR) for its 100%-owned Coyote Wash Project in Colorado, USA.

£500,000 Fully Subscribed Retail Offer to Advance US Helium Projects