--- title: "James Lee Raises Stake in Mendell Helium Above 4%" publisher: "Share Talk" author: "sharetalk" published: "2026-08-18T15:50:17+00:00" modified: "2026-08-18T15:50:17+00:00" date: 2026-08-18 canonical: "https://www.share-talk.com/james-lee-raises-stake-in-mendell-helium-above-4/" category: "Energy" categories: ["Energy"] tags: ["Carter 2", "Dodge City", "Exxon", "Garden City", "Haskell County", "Helium", "Hugoton gas field", "Kansas", "M3 Helium", "MDH", "Mendell Helium", "Mendell Helium plc", "methane", "Mike Whitlow", "natural gas liquids", "Nick Tulloch", "nitrogen", "Paul Mandel", "Paul Mendell", "Scout Energy Partners", "south-west Kansas", "USA", "VOY", "Voyager Life", "western Kansas", "Wyatt Earp"] image: "https://i0.wp.com/www.share-talk.com/wp-content/uploads/2026/06/MDH-with-title.webp?fit=1200%2C675&quality=80&ssl=1" format: "news" language: "en-GB" --- # James Lee Raises Stake in Mendell Helium Above 4% **Published:** August 18, 2026 **Author:** sharetalk **Categories:** Energy **Tags:** Carter 2, Dodge City, Exxon, Garden City, Haskell County, Helium, Hugoton gas field, Kansas, M3 Helium, MDH, Mendell Helium, Mendell Helium plc, methane, Mike Whitlow, natural gas liquids, Nick Tulloch, nitrogen, Paul Mandel, Paul Mendell, Scout Energy Partners, south-west Kansas, USA, VOY, Voyager Life, western Kansas, Wyatt Earp **Featured image:** ![](https://i0.wp.com/www.share-talk.com/wp-content/uploads/2026/06/MDH-with-title.webp?fit=1200%2C675&quality=80&ssl=1) --- **James Lee has increased his holding in Mendell Helium PLC**, crossing another disclosure threshold on **17 August 2026**. Following the latest acquisition, Lee now controls **13,993,978 voting rights**, representing approximately **4.09% of Mendell Helium’s total voting rights**. This compares with his previously disclosed position of **13,079,451 shares, or 3.83%**, meaning the latest notification represents a further increase in his stake. The filing confirms that **no voting rights are held through financial instruments**, with the entire position held directly through shares. The increase marks another step up in Lee’s position in Mendell Helium following his earlier threshold notification this month. **TR-1: Standard form for notification of major holdings** 1. Issuer Details ISIN GB00BLD3FF28 Issuer Name MENDELL HELIUM PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of voting rights 3. Details of person subject to the notification obligation Name James Lee City of registered office (if applicable)   Country of registered office (if applicable)   4. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above   City of registered office (if applicable)   Country of registered office (if applicable)   5. Date on which the threshold was crossed or reached 17-Aug-2026 6. Date on which Issuer notified 18-Aug-2026 7. Total positions of person(s) subject to the notification obligation | | | | | | | --- | --- | --- | --- | --- | | | % of voting rights attached to shares (total of 8.A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) | Total of both in % (8.A + 8.B) | Total number of voting rights held in issuer | | Resulting situation on the date on which threshold was crossed or reached | 4.093160 | 0.000000 | 4.093160 | 13993978 | | Position of previous notification (if applicable) | 3.825666 | 0.000000 | 3.825666 | | 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares | | | | | | | --- | --- | --- | --- | --- | | Class/Type of shares ISIN code(if possible) | Number of direct voting rights (DTR5.1) | Number of indirect voting rights (DTR5.2.1) | % of direct voting rights (DTR5.1) | % of indirect voting rights (DTR5.2.1) | | GB00BLD3FF28 | 13993978 | | 4.093160 | | | Sub Total 8.A | 13993978 | 4.093160% | | | 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) | | | | | | | --- | --- | --- | --- | --- | | Type of financial instrument | Expiration date | Exercise/conversion period | Number of voting rights that may be acquired if the instrument is exercised/converted | % of voting rights | |   | | | | | | Sub Total 8.B1 | | | | | 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) | | | | | | | | --- | --- | --- | --- | --- | --- | | Type of financial instrument | Expiration date | Exercise/conversion period | Physical or cash settlement | Number of voting rights | % of voting rights | |   | | | | | | | Sub Total 8.B2 | | | | | | 9. Information in relation to the person subject to the notification obligation 1. Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. | | | | | | | --- | --- | --- | --- | --- | | Ultimate controlling person | Name of controlled undertaking | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial instruments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable threshold | |   | | | | | 10. In case of proxy voting Name of the proxy holder   The number and % of voting rights held   The date until which the voting rights will be held   If date does not apply, explain below   11. Additional Information   12. Date of Completion 18-Aug-2026 13. Place Of Completion UK --- **Original URL:** https://www.share-talk.com/james-lee-raises-stake-in-mendell-helium-above-4/ *Created by [WP Markdown Endpoint](https://wpmarkdownendpoint.com/)*