UK small-cap RNS · 16 Sep 2026
The key announcements of UK small & mid caps under £2bn on 16 Sep 2026 – situations they move are marked, with the share price since.
Key = all announcements except routine filings (voting rights, buybacks, holdings, director forms), plus director dealings and holdings that are part of a situation. Not investment advice.
| Date | Company | Mcap ↕ | Type | Announcement | |
|---|---|---|---|---|---|
| 16 Sep | Pennpetro Energy PPP | £11m | Large acquisition / reverse takeover | Shareholder Call Presentation
Pennpetro Energy Plc (LSE: PPP), the company focused on developing strategic energy projects, announces the publication of a presentation on the Company’s website ahead of today’s shareholder call with management at 18.30-19.30 UK time. |
|
| 16 Sep | Galantas Gold Corp. GAL | £188m | Exercise of Warrants
Application will be made to the London Stock Exchange for the 10,000 new ordinary shares to be admitted to trading on AIM ("Admission"). |
||
| 16 Sep | East Star Resources EST | £43m | Overhang | Holding(s) in Company | |
| 16 Sep | Kromek Group KMK | £37m | Notice of Investor Webinar
Kromek Group plc (AIM: KMK), a global detection company delivering best-in-class solutions for the advanced imaging and CBRN detection markets, announces that Arnab Basu, CEO, and Claire Burgess, CFO, will be hosting an online Q&A session for investors at … |
||
| 16 Sep | Ashmore Group ASHM | £1,466m | Results | Annual Report
Ashmore Group plc (the "Company") announces that in accordance with UK Listing Rule 6.4.1, a copy of the 2026 Annual Report and Accounts (the "Annual Report") has been submitted to the FCA and will shortly be available for inspection via the National Storage … |
|
| 16 Sep | Kainos Group KNOS | £1,468m | Board and Board Committee Changes
Kainos Group plc (KNOS), a UK-headquartered IT provider with expertise across three divisions, Digital Services, Workday Services, and Workday Products, today announces that Shruthi Chindalur, independent Non-Executive Director, has been appointed interim … |
||
| 16 Sep | Supermarket Income Reit SUPR | £1,134m | Insider conviction | Director/PDMR Shareholding | |
| 16 Sep | Transense Technologies TRT | £6.8m | Overhang | Holding(s) in Company | |
| 16 Sep | Reabold Resources RBD | £9.4m | Large acquisition / reverse takeover | Disclosure under Rule 2.10(a)
Disclosure under Rule 2.10(a) of the Takeover Code re Additional Letter of Intent in respect of the Rejected All-Share Offer for Union Jack by Reabold |
|
| 16 Sep | Staffline Group STAF | £46m | Insider conviction | Director/PDMR Shareholding | |
| 16 Sep | Renalytix RENX | £36m | Board change | Additional CEO Share Purchase
ADS consist of 50 Ordinary Shares of £0.0025 each. |
|
| 16 Sep | Christie Group CTG | £43m | Christie & Co launches Retail Market Review 2026
Annual review highlights buyer demand continuing to outstrip supply across UK convenience store and forecourt markets |
||
| 16 Sep | Pennon Group PNN | £1,701m | Strategic Update
Pennon Group Plc announces that a Strategic Update will be hosted by CEO, Keith Haslett and CFO, Laura Flowerdew on 7th October 2026 at 9:00am to be followed by a live Q&A session. |
||
| 16 Sep | Springfield Properties SPR | £136m | Launch of Share Buyback Programme
Springfield Properties plc (AIM: SPR), a leading housebuilder in Scotland, announces that the Board has approved a share buyback programme of up to 5,957,372 ordinary shares of 0.125 pence each (“Ordinary Shares”) in the capital of the Company (the “Buyback … |
||
| 16 Sep | Elementis ELM | £1,046m | Appointment of Senior Independent Director
Elementis plc ("Elementis" or the "Group") is pleased to announce the appointment of Christine Soden as Senior Independent Director with immediate effect. |
||
| 16 Sep | Clarkson CKN | £1,635m | Board change | Directorate Change
Pursuant to the announcement made on 16 September 2025, the Company confirms that Jeff Woyda, CFO & COO, ceased to be a Director of the Company yesterday. |
|
| 16 Sep | Zenith Energy LTD.Com Shs ZEN | £30m | Strong Growth in Italian Energy Cash Generation
Comparisons are with the corresponding eight months of 2025. |
||
| 16 Sep | Empyrean Energy EME | £3.9m | Capital Access Window - Empyrean Energy Plc
If you have any queries relating to the above, please contact the Company's nominated adviser on +44 (0) 207 220 0500. |
||
| 16 Sep | Seed Capital Solutions SCSP | £1.4m | Notice of Additional GM
Seed Capital Solutions plc announces that in addition to the General Meeting ("GM") of the members of the Company to be held at 10.00hrs (BST) on 17 September 2026 at the office of Axis Capital Markets Ltd, 73 Watling St, London, EC4M 9BJ, a further General … |
||
| 16 Sep | Proteome Sciences PRM | £4.7m | Board change | Appointment of Non-Executive Director
Proteome Sciences plc (AIM:PRM) is pleased to announce the appointment of Helen Spice FCA as an independent non-executive director of the Company, with immediate effect. |
|
| 16 Sep | Prospex Energy PXEN | £26m | IMC Presentation on San & Dunajec Licences, Poland
Prospex Energy plc / Index: AIM / Epic: PXEN / Sector: Oil and Gas |
||
| 16 Sep | Empire Metals Limited EEE | £249m | Partnership with CMCI CRC
Empire Metals Limited / LON: EEE, OTCQX: EPMLF / Sector: Natural Resources |
||
| 16 Sep | Bow Street Group PLC BOW | £8.4m | Notice of Investor Presentation
("Bow Street Group", the "Group" or the “Company”) |
||
| 16 Sep | Tern TERN | £9.6m | Talking Medicines New DrugVoice Application
Tern Plc (AIM:TERN), the company focused on value creation from Internet of Things ("IoT") technology businesses, is pleased to note that Talking Medicines Limited ("Talking Medicines"), a company in which Tern currently holds 23.8% of the equity, has today … |
||
| 16 Sep | Mindflair MFAI | £1.3m | Disseqt wins KPMG Tech Innovator Ireland 2026
Mindflair plc, the AIM-quoted company focused on investing in Artificial Intelligence ("AI") related technology, is pleased to announce that Disseqt AI Limited ("Disseqt"), a portfolio company of Mindflair, held within Sure Valley Ventures' ("SVV") third fund … |
||
| 16 Sep | Great Portland Estates GPE | £1,312m | GPE celebrates topping out at The Courtyard, WC1
Great Portland Estates plc (GPE) has celebrated the topping out of The Courtyard, marking structural completion of its latest Fully Managed building, alongside partners including Mace and Deconstruct UK. |
||
| 16 Sep | Blencowe Resources BRES | £31m | Project milestones | Governance and Compliance Update
Blencowe Resources plc (LSE:BRES) announces, further to the Company's announcement of 14 September 2026, a governance and compliance update. |
|
| 16 Sep | GreenX Metals Limited GRX | £162m | Date of Annual General Meeting
GreenX Metals Limited (GreenX or the Company) advises, in accordance with ASX Listing Rule 3.13.1, that the Company's Annual General Meeting (AGM) will be held on Wednesday, 11 November 2026. |
||
| 16 Sep | Aterian ATN | £4.7m | Fundraise | Eastinco Fundraise to Trial Tungsten Trading
Aterian plc (LSE: ATN), the African-focused critical and strategic metals company, is pleased to announce that its wholly owned Rwandan subsidiary, Eastinco Limited ("Eastinco"), has commenced a trial for the trading of tungsten ore and concentrates, commonly … |
|
| 16 Sep | On The Beach Group OTB | £239m | Notice of Pre-Close Trading Update & Final Results
On the Beach will provide an update on trading for the 12 months ending 30 September 2026 on Thursday 24 September 2026. |
||
| 16 Sep | Helix Exploration HEX | £81m | Rudyard – Ollie #1 Well Spud
Helix Exploration PLC (AIM: HEX, OTCQB: HEXFF), the US-focused helium production and liquefaction company, is pleased to announce that the Ollie #1 well was spudded on 14 September 2026. |
||
| 16 Sep | Oxford Nanopore Technologies ONT | £1,957m | Preliminary injunction against MGI Tech GmbH
Unified Patent Court grants preliminary injunction against MGI Tech GmbH relating to CycloneSEQ sequencing platform |
||
| 16 Sep | AdvancedAdvT Limited ADVT | £239m | Capital return | Share Buyback Programme Renewal and Trading Update
The Board of AdvancedAdvT Limited (AIM: ADVT) (the "Company") today announces the launch of a further share buyback programme (the "New Buyback Programme") to purchase up to £10 million of the Company's ordinary shares of no par value ("Ordinary Shares"), … |
|
| 16 Sep | Rockhopper Exploration RKH | £612m | Results | Results of Open Offer and Total Voting Rights
Rockhopper Exploration plc (AIM: RKH), the oil and gas company with key interests in the North Falkland Basin, announces the results of its Open Offer to Qualifying Shareholders, itself announced on 27 August 2026 and which, in accordance with its terms, … |
|
| 16 Sep | Quadrise QED | £22m | Valkor update
Quadrise Plc (AIM:QED), the manufacturer of lower cost, lower emission, replacement fuels and biofuels for shipping and heavy industry, provides an update on its project with Valkor Technologies LLC ("Valkor") in Utah, USA. |
||
| 16 Sep | Ilika IKA | £44m | Appointment of Defence Advisor to Ilika
Appointment of Maj Gen (Retd) Robin Anderton-Brown as Strategic Defence Sector Advisor |
||
| 16 Sep | Cobra Resources COBR | £35m | High REE Recoveries at Reduced Lixiviant Levels
High REE Recoveries at Reduced Ammonium Sulphate Concentrations |
||
| 16 Sep | Crimson Tide TIDE | £6.4m | Insider conviction | Director/PDMR Shareholding | |
| 16 Sep | Caledonia Investments CLDN | £1,961m | Board change | Appointment of non-executive director
Caledonia Investments plc ("Caledonia" or the "Company") is pleased to announce the appointment of Alastair Vere Nicoll as a non-executive director with effect from 15 September 2026. |
|
| 16 Sep | The Artisanal Spirits Company ART | £17m | Results | Half-year Results
Interim Results for the Six Months to 30 June 2026 |
|
| 16 Sep | Cambridge Cognition Holdings COG | £15m | Results | Half-year Results
Interim Results for the six months to 30 June 2026 |
|
| 16 Sep | EnergyPathways plc EPP | £13m | Intellectual Property Patent Application
EnergyPathways files patent applications for innovative zero emissions thermal storage technology to enhance its Compressed Air Energy Storage ("CAES") system |
||
| 16 Sep | Sylvania Platinum Ltd SLP | £236m | Share Buyback Update
For the purposes of the Financial Conduct Authority's Disclosure and Transparency Rules, the Company's issued share capital is 271,661,725 Ordinary Shares. |
||
| 16 Sep | Empyrean Energy EME | £3.9m | Completion of Equity Capital Raising
Empyrean Energy PLC / Index: AIM / Epic: EME / Sector: Oil & Gas |
||
| 16 Sep | CT Automotive Group CTA | £16m | Upgrade / downgrade cycle | Half-year Results
Interim results for the six months ended 30 June 2026 |
|
| 16 Sep | Finseta PLC FIN | £3.9m | Upgrade / downgrade cycle | Half-year Results
· Revenue of £5.4m (H1 2025: £5.9m), reflecting the previously reported macroeconomic headwinds |
|
| 16 Sep | Cirata CRTA | £11m | Results | Interim unaudited results
Interim unaudited results for the six months ended 30 June 2026 |
|
| 16 Sep | Avacta Group AVCT | £293m | Clinical Proof of Mechanism for preCISION Platform
Preliminary data from the Phase 1a trial of AVA6103 in patients with select solid tumors demonstrate proof of mechanism with two key findings: |
||
| 16 Sep | Filtronic FTC | £629m | Transformational contract / build-out | $8m follow-on order with US Company
Follow-on order strengthens Filtronic’s position as market leader in mmWave satellite payload technology |
|
| 16 Sep | Rift Helium PLC RIFT | £8.4m | Results | Half Year Results and Operational Update
Rift Helium plc (AIM: RIFT), the primary helium exploration company focused on the Upepo Project in Tanzania's proven Rukwa Basin, is pleased to announce its unaudited results for the six months ended 30 June 2026 and provide an operational update as the … |
|
| 16 Sep | M Winkworth WINK | £23m | Results | Half-year Results
Interim Results for the six months ended 30 June 2026 |
|
| 16 Sep | Symphony Environmental Technologies SYM | £15m | Results | Half-year Results
Symphony Environmental Technologies Plc (AIM: SYM), the global specialist in additives and technologies that enhance the environmental performance and functionality of plastics, is pleased to announce its interim financial results for the six-month period … |
|
| 16 Sep | PCI-PAL PCIP | £55m | Results | Update on Timing of Full Year Results Announcement
Whilst the preparation of the Group’s annual report and accounts is advanced, more time is required to finalise the assessment of certain revenue recognition and related matters as part of the Company’s year-end audit process. |
|
| 16 Sep | Great Western Mining Corporation (CDI) GWMO | £14m | Excellent Tungsten Recovery Rate from Bulk Sample
Metallurgical test results from Defender confirm amenability to standard processing |
||
| 16 Sep | Brave Bison Group BBSN | £87m | Rejection of Brave Bison’s Fourth Offer
Shareholder support to reject the Fourth Offer, including from Lord Ashcroft, Brave Bison’s largest shareholder |
||
| 16 Sep | Aptitude Software Group APTD | £123m | Sale process / strategic review | Half-year Results
Interim Results for the six months ended 30 June 2026 |
|
| 16 Sep | Fulcrum Metals FMET | £11m | Project milestones | Fulcrum secures £250,000 institutional investment
Fulcrum Metals plc / EPIC: FMET / Market: AIM / Sector: Mining |
|
| 16 Sep | Advanced Medical Solutions Group AMS | £615m | Results | Half-year Results
Interim results for the six months ended 30 June 2026 |
|
| 16 Sep | Hydrogen Utopia International HUI | £10m | Clear Capital Market Broker Note
Hydrogen Utopia International PLC (LSE: HUI), a pioneering company transforming non-recyclable waste plastic into hydrogen, clean fuels and advanced materials, focusing on advanced fuels such as jet fuel and Sustainable Aviation Fuel, announces that Clear … |
||
| 16 Sep | Facilities by ADF ADF | £11m | New CEO / reset | Half-year Results
("Facilities by ADF", "ADF", the "Company" or the "Group") |
|
| 16 Sep | Ten Lifestyle Group TENG | £94m | Trading update | Full Year 2026 Trading Update
Full Year Trading Update - Record revenues, profits, cash and Active Members |
|
| 16 Sep | Winvia Entertainment PLC WVIA | £284m | Change of Registered Address
Winvia Entertainment (AIM: WVIA), a technology-led entertainment business focused on prize draw competitions and online gaming, today announces that the Company’s registered address has changed to Unit 3, Imperial Studios, 3-6 Imperial Road, London SW6 2AG. |
||
| 16 Sep | 80 Mile 80M | £56m | Project milestones | Half-year Results
80 Mile Plc / Ticker: 80M / Market: AIM / Sector: Mining |
|
| 16 Sep | Supermarket Income Reit SUPR | £1,134m | Large acquisition / reverse takeover | Final Results
(the "Company", "SUPR" or together with its subsidiaries the "Group") |
|
| 16 Sep | ATOME Energy ATOM | £16m | Trading update | Accounts and Trading Update
In relation to the previously referred to Power Purchase Agreement issues a separate announcement will be made shortly. |
|
| 16 Sep | B.P. Marsh & Partners BPM | £235m | Purchase of Own Shares and Total Voting Rights
In accordance with the Company's Share Buyback programme, as outlined in its announcement on 15 July 2026, B.P. |
||
| 16 Sep | Rockfire Resources ROCK | £17m | Molaoi Update
· Diamond drilling to upgrade the mineral resource from Inferred to Indicated continues, with hole HMO-021 now complete and hole HMO-022 in progress. |
||
| 16 Sep | European Green Transition EGT | £30m | Disposal of a part (break-up) | Half-year Results
Interim Results for the Six Months to 30 June 2026 |
|
| 16 Sep | Proteome Sciences PRM | £4.7m | Results | Interim Results H1 2026
Interim results for the six months ended 30 June 2026 |
|
| 16 Sep | Arkle Resources (CDI) ARK | £11m | Results | Half-year Results
Interim Results for the six months ended 30 June 2026 |
|
| 16 Sep | Star Energy Group Plc STAR | £39m | Disposal of a part (break-up) | Half-year Results
("Star Energy" or "the Company" or "the Group") |
|
| 16 Sep | Diversified Energy Company DEC | £762m | Q1 2026 Dividend Exchange Rate
16, 2026 (GLOBE NEWSWIRE) -- Diversified Energy Company (NYSE:DEC; LSE:DEC) announced on May 6, 2026, a dividend in respect of the first quarter ended March 31, 2026, in the amount of 29 cents per share (the “Q1 2026 Dividend”). |
||
| 16 Sep | Volvere VLE | £49m | Results | Half-year Results
Interim Results for the six months ended 30 June 2026 |
|
| 16 Sep | WH Smith SMWH | £612m | Upgrade / downgrade cycle | Pre-close Trading Update
Solid peak trading and initial self-help to deliver |
|
| 16 Sep | BTG Consulting plc BTG | £178m | AGM Statement
BTG Consulting plc (“the group”), the financial and real estate advisory firm, is today holding its Annual General Meeting. |
||
| 16 Sep | Focusrite TUNE | £128m | Segment turn | Trading Update
Improved profitability, margins and cash generation; remain confident in meeting expectations for the full year |
|
| 16 Sep | Oracle Power ORCP | £5.8m | Results | Half-year Results
Unaudited Interim Results for the six months to 30 June 2026 |
|
| 16 Sep | Volex VLX | £1,157m | Allotment of New Shares
Volex announces that, in respect of its scrip dividend alternative for the final dividend of 3.2 pence per share for the year ended 31 March 2026, elections were received in respect of 82,155,783 ordinary shares of 25 pence each in the Company ("Ordinary … |
||
| 16 Sep | Moonpig Group MOON | £871m | Trading update | AGM Trading Update
Group trading in line with expectations; FY27 outlook unchanged |
|
| 16 Sep | Amigo Holdings AMGO | £34m | Update - Rare Earth Elements at Musensi Hill
Petrographic Study Supports Rare Earth Elements at Musensi Hill Project |
||
| 16 Sep | London Security LSC | £460m | Results | Half-year Results
Interim results for the six months ended 30 June 2026 |