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Mendell Helium plc — Investor Relations & Filings

Ticker · MDH ISIN · GB00BLD3FF28 LEI · 213800XIUQ3AHRZ6UF89 Aquis Stock Exchange Mining and quarrying
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Filings indexed 116 across all filing types
Latest filing 2026-05-27 Major Shareholding Noti…
Country GB United Kingdom
Listing Aquis Stock Exchange MDH

About Mendell Helium plc

https://mendellhelium.com/

Mendell Helium plc is an exploration and production company focused on helium. Its operations are concentrated in the helium-rich geological formations of Kansas, including the Fort Dodge and Hugoton regions. The company leverages the area's established infrastructure, such as gathering systems and processing facilities, to support efficient extraction and transportation of helium to market. Mendell Helium aims to supply this critical resource to high-demand sectors, including semiconductor manufacturing, medical imaging (MRI), and cryogenics. A key component of its growth strategy includes the acquisition of M3 Helium Corp to integrate operations, optimize existing assets, and develop new wells to enhance production capabilities.

Recent filings

Filing Released Lang Actions
Holding(s) in Company
Major Shareholding Notification Classification · 92% confidence The document is a UK RNS TR-1 notification detailing the acquisition of voting rights by Premier Miton Group plc in Mendell Helium plc, including exact percentages and dates of threshold crossing. This matches the definition of a Major Shareholding Notification (notification of changes in significant share ownership crossing thresholds).
2026-05-27 English
Issue of Equity, TVR & Director Dealing
Director's Dealing Classification · 89% confidence The document is an RNS announcement detailing the issue of new ordinary shares to a director and other insiders under remuneration arrangements, including a section labeled “Details of the persons discharging managerial responsibilities / person closely associated” and transaction details (price, volume, date, place). This matches a director’s dealing / insider transaction notification rather than a full report, voting results, or other filings. Therefore, the correct classification is Director's Dealing.
2026-05-26 English
Operations update
Regulatory Filings Classification · 85% confidence The document is an RNS announcement titled “Operations update” with detailed operational progress and forward-looking statements. It does not contain financial statements or constitute an earnings release, proxy, AGM materials, or capital financing update. It is a general regulatory announcement (RNS) to the market and fits the fallback category for miscellaneous regulatory filings.
2026-05-26 English
Result of GM & Completion of Acquisition
Declaration of Voting Results & Voting Rights Announcements Classification · 85% confidence The document is an RNS announcement titled “Result of General Meeting” and primarily provides the shareholder poll results (votes for, against, withheld) together with total voting rights following admission. Although it also covers related sub-items (acquisition outcome, directorate change, issue of equity), its main purpose is the formal declaration of voting results and updated voting rights. This matches the Declaration of Voting Results & Voting Rights Announcements category.
2026-05-18 English
Further leases secured in Fort Dodge
Regulatory Filings Classification · 75% confidence The document is an RNS announcement from Mendell Helium plc providing an operational update on securing further land leases. It contains no financial statements, no report attachments, no board or management changes, no dividend or share transactions, and no proxy materials. It is a general corporate update distributed via the London Stock Exchange’s RNS service. Therefore it falls into the fallback category for miscellaneous regulatory announcements: Regulatory Filings (RNS).
2026-05-12 English
Correction to Circular
Regulatory Filings Classification · 95% confidence The document is a correction announcement related to a circular and notice of a general meeting (AGM) for Mendell Helium plc. It corrects the proxy appointment deadline and provides details about the upcoming general meeting date and location. The document does not contain financial statements, detailed financial analysis, or full report content. It is a regulatory announcement correcting previously issued meeting materials, which fits the category of Regulatory Filings (RNS) as it does not constitute the actual circular or meeting materials themselves but an update/correction to them.
2026-05-05 English

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