Mendell Helium plc
MDH · AIM · Chemicals · mcap £13m · 3.9p
| Date | Type | Announcement | Day |
|---|---|---|---|
| 09 Oct 26 | Buy out of minority investors in Nilson well
Buy out of minority investors in Nilson well |
+0.0% | |
| 02 Oct 26 | Holding | Holding(s) in Company | |
| 30 Sep 26 | Results | Final Results
Final results for the year ended 31 March 2026 |
−3.8% |
| 23 Sep 26 | Rost 2-26 recent gas sample records 11.5% helium
Rost 2-26 most recent gas sample records 11.5% helium |
−7.4% | |
| 14 Sep 26 | Fort Dodge Operations Update
Rost 2-26 preliminary gas analysis indicates over 10% helium |
+5.9% | |
| 01 Sep 26 | Holding | Holding(s) in Company | |
| 26 Aug 26 | Exercise of Convertible Loan Notes
Mendell Helium (LON: MDH), the helium production company with operations in Kansas, announces that it has received notice to exercise convertible loan notes ("Conversion") over 9,799,999 new ordinary shares at an exercis |
−1.0% | |
| 24 Aug 26 | Director dealing | Issue of Equity, TVR & Director Dealing | |
| 18 Aug 26 | Holding | Holding(s) in Company | |
| 12 Aug 26 | Holding | Holding(s) in Company | |
| 10 Aug 26 | Holding | Holding(s) in Company | |
| 05 Aug 26 | Rost 1-26, Rost 2-26 and Brobee Operations Update
Rost 1-26, Rost 2-26 and Brobee Operations Update |
+8.0% | |
| 28 Jul 26 | Director dealing | Warrant Extension, Director Shareholding & RPT
Mendell Helium (LON: MDH) provides the following update on certain of its outstanding warrants. |
−2.2% |
| 27 Jul 26 | Settlement Agreement & Issue of Equity
Mendell Helium (LON: MDH) announces that further to disclosures made in the Company's admission document dated 11 June 2026, the Company has entered into a settlement agreement (the "Agreement") with a former broker to t |
−10.0% | |
| 02 Jul 26 | Exercise of warrants
Mendell Helium (LON: MDH) announces that it has received notice to exercise warrants over 625,000 new ordinary shares at an exercise price of 4 pence per share, generating cash proceeds for the Company of £25,000. |
+5.8% | |
| 30 Jun 26 | Operations update
Mendell Helium, the helium production company with operations in Kansas, is pleased to provide an update on the Company's operations in Fort Dodge, Kansas. |
+2.7% | |
| 16 Jun 26 | Admission to AIM & First Day of Dealings
Admission to Trading on AIM and First Day of Dealings |
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| 12 Jun 26 | Release of Updated AIM Schedule One
Mendell Helium, the helium production company with operations in Kansas, notes the release of an updated Schedule One by the London Stock Exchange in respect of its proposed admission to trading on AIM ("Admission"). |
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| 12 Jun 26 | Schedule One Update - Mendell Helium PLC
COMPANY REGISTERED OFFICE ADDRESS AND IF DIFFERENT, COMPANY TRADING ADDRESS (INCLUDING POSTCODES): |
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| 01 Jun 26 | Release of AIM Schedule One
Mendell Helium, the helium production company with operations in Kansas, announces the release of a Schedule One by the London Stock Exchange in respect of its proposed admission to trading on AIM ("Admission"). |
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| 01 Jun 26 | Schedule One - Mendell Helium PLC
COMPANY REGISTERED OFFICE ADDRESS AND IF DIFFERENT, COMPANY TRADING ADDRESS (INCLUDING POSTCODES): |
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| 26 May 26 | Director dealing | Issue of Equity, TVR & Director Dealing | |
| 26 May 26 | Operations update
Mendell Helium, the helium production company with operations in Kansas, is pleased to provide an update on the Company's operations in Fort Dodge, Kansas. |
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| 18 May 26 | Result of GM & Completion of Acquisition
The General Meeting of the Shareholders of Mendell Helium was held today at 10.00 a.m. |
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| 12 May 26 | Further leases secured in Fort Dodge
Mendell Helium is pleased to announce that M3 Helium Corp. |
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| 05 May 26 | Correction to Circular
Mendell Helium announces a minor correction to the circular and notice of general meeting posted to shareholders on 1 May 2026. |
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| 05 May 26 | Routine | Publication of Circular & Notice of GM | |
| 30 Apr 26 | Fundraise | Placing and subscription to raise £5 million
Proposed completion of acquisition of M3 Helium Corp. |
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| 24 Apr 26 | Exercise of warrants
Mendell Helium announces that it has received notice to exercise warrants over 750,000 new ordinary shares at an exercise price of 3 pence per share and 125,000 new ordinary shares at an exercise price of 6 pence per sha |
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| 22 Apr 26 | Jumbo tube trailer secured & Exercise of warrants
Mendell Helium is pleased to announce that M3 Helium Corporation ("M3 Helium") has agreed terms for the lease of a 265 Mcf capacity trailer for delivery of helium from its Rost 1-26 well ("Rost") and the nearby Rost twin |
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| 20 Apr 26 | Exercise of warrants
Mendell Helium announces that it has received notice to exercise warrants over 625,000 new ordinary shares at an exercise price of 4 pence per share, generating cash proceeds for the Company of £25,000. |
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| 17 Apr 26 | Proposal to install helium production facility
Proposal to install 1,000 Mcf/day helium production facility at Rost |
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| 16 Apr 26 | Update on drilling the Rost twin well
Mendell Helium is pleased to announce the successful conclusion of drilling operations at M3 Helium Corporation's ("M3 Helium") new twin well to the existing Rost 1-26 well ("Rost") in Fort Dodge, Kansas. |
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| 10 Apr 26 | Exercise of warrants
Mendell Helium announces that it has received notice to exercise warrants over 1,000,000 new ordinary shares, comprising 500,000 new ordinary shares at an exercise price of 4 pence per share and 500,000 new ordinary shar |
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| 08 Apr 26 | Exercise of warrants
Mendell Helium announces that the Company has received notice to exercise warrants over 250,000 new ordinary shares at an exercise price of 4 pence generating cash proceeds for the Company of £10,000. |
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| 01 Apr 26 | Update on drilling the Rost twin & move to AIM
Mendell Helium is pleased to announce an update on M3 Helium Corporation's ("M3 Helium") ongoing drilling of the new twin well to the existing Rost 1-26 well ("Rost") in Fort Dodge, Kansas. |
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| 25 Mar 26 | Agreement with Ritchie Exploration
Agreement with Ritchie Exploration to recomplete Schneweis well |
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| 12 Mar 26 | Update on new production wells at Fort Dodge
Update on new production wells at Fort Dodge |
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| 02 Mar 26 | Operations update & Update on move to AIM
Update on move to AIM and Option Extension |
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| 27 Jan 26 | Fundraise | Placing to raise £700,000 to fund production well
Placing to raise £700,000 to fund second Rost production well |
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| 20 Jan 26 | Director dealing | Issue of Equity, Conversion of CLNs & PDMR Dealing | |
| 30 Dec 25 | Conversion of CLNs
Mendell Helium announces that the Company has received notice to convert a total face value of £10,000 convertible loan notes (the "CLNs") resulting in the issue of 350,000 new ordinary shares in the Company (the "New Or |
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| 22 Dec 25 | Results | Half-year Results
Unaudited Interim Results for the six months ended 30 September 2025 |
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| 15 Dec 25 | Updated flow rate on Rost 1-26 well
Mendell Helium is pleased to announce an updated flow rate for M3 Helium Corporation's ("M3 Helium") Rost 1-26 well ("Rost") in Fort Dodge, Kansas. |
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| 09 Dec 25 | Further re Broker Option, CLN & Joint Broker
Mendell Helium announces that, further to its announcement of 17 November 2025, the Company is pleased to announce that it has raised, through the Subscription and an unsecured convertible loan note facility ("CLN") with |
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| 04 Dec 25 | Fundraise | Extension of Broker Option & Subscription
Mendell Helium announces that, further to its announcement of 17 November 2025 regarding the Subscription, Issue of Equity and Warrants (the "November Subscription Announcement"), it has received expressions of interest |
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| 01 Dec 25 | Update on Fort Dodge & Kansas Option Extension
Update on development of Fort Dodge region, Kansas |
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| 25 Nov 25 | Fundraise | Broker Option Extension & Additional Subscription
Mendell Helium announces that, further to its announcement of 17 November 2025 regarding the Subscription, Issue of Equity and Warrants (the "November Subscription Announcement"), it has received a further subscription f |
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| 17 Nov 25 | Fundraise | Subscription, Issue of Equity and Warrants
Mendell Helium announces that it has raised approximately £200,000 by way of a subscription ("Subscription") through the issue of 6,682,320 new ordinary shares of 1 pence each in the Company ("Ordinary Shares") at an iss |
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| 10 Nov 25 | Director dealing | Director/PDMR Shareholding | |
| 10 Nov 25 | Helium Production commences at Rost
Mendell Helium is pleased to announce that production of helium has commenced at M3 Helium Corporation's ("M3 Helium") Rost 1-26 well in Fort Dodge, Kansas ("Rost"). |
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| 30 Oct 25 | Routine | Result of AGM | |
| 22 Oct 25 | Director dealing | Issue of Equity, Total Voting Rights &PDMR dealing | |
| 22 Oct 25 | Rost Helium Production & Nebraska Update
Mendell Helium is pleased to provide an update on forthcoming production at M3 Helium Corporation's ("M3 Helium") Rost 1-26 well in Fort Dodge, Kansas ("Rost") and the Jasper well in Nebraska. |
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| 13 Oct 25 | Operations Update
Mendell Helium is pleased to provide an update on M3 Helium Corporation's ("M3 Helium") Rost 1-26 well in Fort Dodge, Kansas ("Rost") and the Jasper well in Nebraska. |
Company filings. Not investment advice.