UK small-cap RNS · 21 May 2026
The key announcements of UK small & mid caps under £2bn on 21 May 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 | |
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| 21 May | Oxford Metrics OMG | £39m | Capital return | Completion of Buyback Programme
Oxford Metrics, the smart sensing and measurement technology Group, is pleased to announce that it has completed its share buyback programme. |
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| 21 May | Michelmersh Brick Holdings MBH | £66m | Result of AGM
Michelmersh Brick Holdings PLC (AIM: MBH), the specialist brick manufacturer, announces that at its Annual General Meeting held earlier today, Thursday 21 May 2026, all resolutions were duly passed. |
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| 21 May | Glenveagh Properties (CDI) GLV | £978m | Overhang | Holding(s) in Company | |
| 21 May | NCC Group NCC | £250m | Dealing Disclosure under Rule 8 Takeover Code
Rules 8.1, 8.2 and 8.4 of the Takeover Code (the "Code") |
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| 21 May | NCC Group NCC | £250m | Dealing Disclosure under Rule 8 Takeover Code
Rules 8.1, 8.2 and 8.4 of the Takeover Code (the "Code") |
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| 21 May | Everyman Media Group EMAN | £47m | Insider conviction | Director/PDMR Shareholding | |
| 21 May | Travis Perkins TPK | £1,298m | Changes of Director responsibilities
Pursuant to UK Listing Rule 6.4.6(3)R Travis Perkins plc (the "Company") makes the following announcement: |
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| 21 May | Galantas Gold Corp. GAL | £172m | Exercise of Warrants
On 14 May 2026, compensation warrants over 10,000 ordinary shares in the Company were exercised at an exercise price of C$0.08 per ordinary share. |
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| 21 May | FRP Advisory Group FRP | £318m | Purchase of Ordinary Shares by EBT
FRP Advisory Group plc, a leading national specialist business advisory firm, announces that JTC Employer Solutions Trustee Limited as trustees of the FRP Advisory Group plc Employee Benefit Trust (the "EBT") purchased 3,506,147 ordinary shares of 0.1p each … |
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| 21 May | Pineapple Power Corporation PNPL | £5.0m | GM Statement
Pineapple Power Corporation PLC (LSE: PNPL) (the "Company"), a special purpose acquisition company, announces that at its General Meeting held earlier today, the resolution proposed, as referred to in the Company's announcement of 1 May 2026, was duly passed. |
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| 21 May | Staffline Group STAF | £45m | Insider conviction | Director/PDMR Shareholding | |
| 21 May | Portmeirion Group PMP | £24m | Statement re Government support for UK ceramics
The Board of Portmeirion Group PLC, the global homewares brand group, welcomes the announcement from UK Chancellor today that the UK Government will provide a £120 million fund to support the UK ceramics industry. |
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| 21 May | Card Factory CARD | £296m | Results | Annual Report
Card Factory plc (the "Company"), the UK's leading specialist retailer of greeting cards, gifts and celebration essentials, announces that it has published its Annual Report and Accounts for the year ended 31 January 2026 and Notice of the Company's 2026 … |
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| 21 May | Travis Perkins TPK | £1,298m | Result of AGM
Travis Perkins plc (the "Company") held its Annual General Meeting at the Linklaters, 20 Ropemaker Street, London, EC2Y 9AR on Thursday 21 May 2026 at which 5 shareholders or their representatives were present. |
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| 21 May | Funding Circle Holdings FCH | £589m | RAG-Result of AGM
Following its Annual General Meeting (“AGM”) held today, the Company announces that all resolutions proposed to shareholders as set out in the Notice of AGM were carried by the requisite majority on a poll. |
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| 21 May | Advanced Medical Solutions Group AMS | £616m | Takeover target | Statement re Advanced Medical Solutions Group plc
Fuller notes the recent announcement made by AMS and confirms that on 30 April 2026 it submitted an all-cash proposal for the entire issued and to be issued share capital of AMS. |
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| 21 May | SHAWBROOK GROUP PLC SHAW | £1,473m | Residential Mortgage-Backed Securities May 2026
Shawbrook Bank Limited has announced the successful completion of its Aldbrook Mortgage Transaction 2026-1 plc, a c.£799 million securitisation of mortgage loans originated by The Mortgage Lender Limited ('TML'). |
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| 21 May | Advanced Medical Solutions Group AMS | £616m | Disclosure Table
The following are today's changes to the Disclosure Table: |
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| 21 May | Advanced Medical Solutions Group AMS | £616m | Offer | Statement re Possible Offer
The board of AMS notes the recent press speculation and confirms that, on 30 April 2026, it received an unsolicited proposal from H.B. |
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| 21 May | Burford Capital BUR | £554m | Notice of Retail Shareholder Audio Webcast
Burford Capital to Host Retail Shareholder Audio Webcast on June 18, 2026 |
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| 21 May | Impax Asset Management Group IPX | £110m | Results | Investor Presentation of Interim Results
Investor Presentation of Interim Results via Investor Meet Company. |
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| 21 May | Diversified Energy Company DEC | £761m | Diversified Energy Provides Board of Director Update
BIRMINGHAM, Ala., May 21, 2026 (GLOBE NEWSWIRE) -- Diversified Energy Company (NYSE: DEC, LSE: DEC) is pleased to announce that its Board of Directors (the “Board”) has appointed Kirk Oliver as an independent non-executive director, effective May 21, 2026. |
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| 21 May | Moonpig Group MOON | £850m | Notice of Full Year Results
Moonpig Group plc, the leading online greeting card and gifting platform in the UK and Netherlands, will announce its full year results for the 12 months ended 30 April 2026 on 25 June 2026 at 7:00 am. |
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| 21 May | HUTCHMED (China) Limited HCM | £1,877m | NMPA approval for ELUNATE with TYVYT
HUTCHMED and Innovent Jointly Announce NMPA Approval for ELUNATE® (Fruquintinib) in Combination with TYVYT® (Sintilimab Injection) for the Treatment of Patients with Locally Advanced or Metastatic Renal Cell Carcinoma |
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| 21 May | IntegraFin Holding IHP | £1,217m | Insider conviction | Director/PDMR Shareholding | |
| 21 May | Henry Boot BOOT | £195m | New CEO / reset | Managing Director appointment at HBD
Henry Boot, a company engaged in land promotion, property investment and development, and home building, today announces that Hamer Boot has been appointed as the new permanent Managing Director for HBD, the group's development division. |
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| 21 May | Newmark Security PLC NWT | £9.1m | Balance-sheet stress / refinancing | Full Year Trading Update
("Newmark", the "Company" or, together with its subsidiaries, the "Group") |
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| 21 May | Haydale Graphene Industries HAYD | £19m | Proposed Commercial Relationship
The Board is pleased to see further validation of the SMCC platform, its national deployment capability and broader commercial strategy. |
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| 21 May | Young & Co's Brewery 'A' Shares YNGA | £708m | Appointment of Sonita Alleyne as a NED
Appointment of Sonita Alleyne as a Non-Executive Director |
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| 21 May | Tungsten West TUN | £548m | Project milestones | Q1 2026 Project Funding and Debt Update
Tungsten West (AIM:TUN), the mining company focused on restarting production at the Hemerdon tungsten and tin mine ("Hemerdon" or the "Project") in Devon, UK, is pleased to provide a Project Funding and debt update. |
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| 21 May | Emv Capital EMVC | £12m | AMR Bio: Commercial Update
For release on Reach: 07:00, Thursday 21 May |
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| 21 May | Norcros NXR | £273m | Investor Presentation Webinar on 18 June 2026
Norcros plc is a market-leading group of brands specialising in design-led, sustainable bathroom products across the UK, Ireland, Scandinavia, South Africa and select export markets. |
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| 21 May | Invinity Energy Systems IES | £66m | Invinity Selected to Design GWh-Scale VFB System
Strategic Partnership with FlexBase to Develop World's Largest Flow Battery |
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| 21 May | Mkango Resources MKA | £100m | Filing of Registration Statement on Form F-4
Announces the Filing of Registration Statement by Mkango Rare Earths Limited on Form F-4 in Connection with Proposed Business Combination |
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| 21 May | Zinc Media Group ZIN | £13m | Zinc Wins $6m Entertainment TV Series
Zinc Wins $6m Entertainment TV Series in the Middle East |
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| 21 May | CAB Payments Holdings 1/3P (WI) CABP | £204m | Crown Agents Bank representative office in Guyana
CAB Payments to establish Crown Agents Bank representative office in Guyana |
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| 21 May | Quantum Data Energy PLC QDE | £5.1m | Appointment of New Auditor
London, UK - Quantum Data Energy PLC (LSE: QDE) is pleased to announce, further to its RNS announcement dated 29 April 2026 (RNS Number: 2880C), that the Board has made swift and excellent progress with filling the auditor casual vacancy under section 489(3) … |
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| 21 May | Eagle Eye Solutions Group EYE | £137m | Capital Markets Day
Eagle Eye, a leading provider of applied AI for marketing, enabling personalised, real-time engagement at scale, is hosting a Capital Markets Day for analysts and institutional investors at 2.30pm - 4.30pm BST today in London and via webcast. |
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| 21 May | Yu Group YU. | £296m | Extension of Shell Hedging Facility
Extension of transformational Hedging Facility with Shell Energy Europe Limited |
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| 21 May | The Smarter Web Company Plc SWC | £191m | Bitcoin Purchase
· Average Purchase Price: £57,971 per Bitcoin ($77,687 per Bitcoin) |
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| 21 May | Botswana Minerals plc BMIN | £3.1m | AI-Assisted Exploration Identifies Copper Targets
AI-Assisted Exploration Analysis Identifies Copper Targets in Botswana |
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| 21 May | Borders & Southern Petroleum BOR | £92m | Exercise of Warrants
Borders & Southern Petroleum plc (AIM: BOR), the London based independent oil and gas exploration company with appraisal and exploration assets offshore the Falkland Islands, announces that it has received notification from a warrant holder to exercise … |
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| 21 May | Diales Group Plc DIAL | £17m | EBT Share Purchase
("Diales" or the "Company " or the "Group") |
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| 21 May | Young & Co's Brewery 'A' Shares YNGA | £708m | Results | Final Results
Preliminary results for the 52 weeks ended 30 MARCH 2026 |
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| 21 May | Truetide plc TRUE | £1.8m | Investment Update - Paraytec
Truetide plc (AIM: TRUE) announces that its 100%-owned investee company, Paraytec Limited ("Paraytec"), has completed the proof-of-concept phase of the alpha-synuclein assay development programme announced on 14 January 2026. |
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| 21 May | Neo Energy Metals NEO | £15m | Director dealing | Non-Executive Director Share Purchase
Neo Energy Metals plc (LSE: NEO; A2X: NEO), the uranium and gold development company focused on South Africa, announces that the Company was notified on 19 May 2026 that, Sajjad Sabur, one of the Company's non-executive directors, has purchased 982,349 Neo … |
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| 21 May | Guardian Metal Resources plc GMET | £153m | Dr. Mark Thorpe appointed to the Board
Guardian Metal Resources plc (NYSE.A: GMTL, LON:GMET, OTCQB:GMTLF), a strategic exploration company focused on tungsten in Nevada, USA, is pleased to announce that Dr. |
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| 21 May | Ondo Insurtech ONDO | £17m | Board change | Appointment of Non-Executive Director
Ondo InsurTech Plc (LSE: ONDO), a leading provider of claims prevention technology for home insurers (the "Company"), is pleased to announce the appointment of Graham Bird as Non-Executive Director of the Company with immediate effect. |
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| 21 May | Vertu Motors VTU | £264m | Notification of Director’s interests
The Company announces that it was notified on 20 May 2026 that David Crane, a director of the Company, had sold 223,084 ordinary shares of 10p each in the Company ("Ordinary Shares"). |
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| 21 May | Nationwide Building Society Core Capital Deferred Shs (Min 250 CCDS) NBS | £1,140m | Results | Preliminary Results Announcement
Preliminary Results Announcement for the year ended 31 March 2026 |
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| 21 May | Great Southern Copper GSCU | £15m | Geophysics AMT Survey Commences at La Colorada
Survey to target large-scale buried porphyry copper deposits |
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| 21 May | Trufin TRU | £54m | Disposal of a part (break-up) | Proposed disposal of Playstack Limited
Proposed disposal of Playstack Limited and Notice of General Meeting |
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| 21 May | Roadside Real Estate ROAD | £99m | Proceeds from First Tranche of Put Option | ||
| 21 May | Microlise Group SAAS | £75m | Results | Annual Report, Notice of AGM & Dividend Table
Microlise Group plc (AIM: SAAS), a leading provider of SaaS based transport technology solutions to fleet operators, confirms that its Annual Report and Accounts for the 12 months ended 31 December 2025 and the Notice of the Company's Annual General Meeting … |
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| 21 May | Great Portland Estates GPE | £1,326m | Executing our growth strategy
The Directors of Great Portland Estates plc announce the results for the Group for the year ended 31 March 20261, with highlights including: |
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| 21 May | Seascape Energy Asia Plc SEA | £76m | Project milestones | Audited Full Year Results to 31 December 2025
Seascape Energy, an E&P company focused on Southeast Asia, is pleased to announce its full year results for the 12 months ended 31 December 2025. |
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| 21 May | Zephyr Energy ZPHR | £65m | Further divestment of undeveloped acreage
Zephyr Energy plc (AIM: ZPHR) (OTCQB: ZPHRF) is pleased to announce a further divestment of undeveloped non-core acreage in two separate transactions generating aggregate gross proceeds of US$2.275 million (subject to closing adjustments) (collectively, the … |
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| 21 May | Sabien Technology Group SNT | £0.9m | Disposal of a part (break-up) | Proposed Commercial Partnership & Investment
Sabien Technology Group plc (AIM: SNT), the manufacturer and provider of energy reduction technologies, announces that, following a detailed review of the Company's long-term commercial strategy, the Company has entered into exclusive non-binding heads of … |
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| 21 May | Shuka Minerals SKA | £6.2m | Project milestones | High Grade Results from Diamond Drill at Kabwe
High Grade Results from Maiden Diamond Drill Hole at Kabwe ('KBDD01') |
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| 21 May | FDM Group (Holdings) FDM | £113m | AGM Statement
FDM Group, a global professional services provider with a focus on Information Technology, today holds its Annual General Meeting. |
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| 21 May | Valirx VAL | £1.8m | Fundraise | Result of Oversubscribed WRAP Retail Offer
London, UK - ValiRx Plc (AIM: VAL), an innovative life sciences company focusing on early-stage cancer therapeutics and women's health, with a pipeline of assets including CLX001 and VAL201, is pleased to confirm, further to the announcement made on 18 May … |
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| 21 May | Nativo Resources NTVO | £4.0m | Framework Agreement-Expanded Mining Opportunities
Framework Agreement for Expanded Gold Mining Opportunities, Peru |
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| 21 May | AdvancedAdvT Limited ADVT | £233m | Transaction in Own Shares
for the purposes of UK Market Abuse Regulation. |
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| 21 May | Nexteq NXQ | £22m | Upgrade / downgrade cycle | Trading Update
Nexteq plc (AIM: NXQ), a leading technology solutions provider to customers in selected industrial markets, today provides the following update on trading. |
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| 21 May | Hardide HDD | £94m | Segment turn | Interim Statement
Interim Statement for the six months ended 31 March 2026 |
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| 21 May | Michelmersh Brick Holdings MBH | £66m | AGM Statement
Michelmersh Brick Holdings PLC (AIM: MBH), the specialist brick manufacturer, announces that at its Annual General Meeting (AGM) which is to be held at 11.00 am today, Tony Morris, Chair, will reference the following statement: |
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| 21 May | Software Circle SFT | £70m | Trading update | £25.0m Revolving Credit Facility & Trading Update
Software Circle plc (AIM: SFT) is pleased to announce that it has entered into a new committed revolving credit facility (the "Facility") with Santander UK plc ("Santander") and makes the following pre-close statement and trading update for the year ended 31 … |
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| 21 May | TheWorks.Co.Uk WRKS | £57m | Trading update | Trading update for the 52 weeks ended 3 May 2026
A year of significant progress with FY26 Adjusted EBITDA ahead of market expectations |
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| 21 May | Bradda Head Lithium Limited BHL | £7.4m | SRK's PEG Tool Enhances Lithium Targeting
Bradda Head Enhances Lithium Targeting at San Domingo Using SRK's Advanced Geochemical PEG Tool |
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| 21 May | Braemar BMS | £76m | Results | Final Results
("Braemar", "the Company" and together with its subsidiaries the "Group") |
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| 21 May | Robinson RBN | £19m | Upgrade / downgrade cycle | AGM Trading Statement
Robinson plc ("Robinson", the "Company" or the "Group"; stock code: RBN), the custom manufacturer of plastic and paperboard packaging, is holding its Annual General Meeting today at 11:30am at the Peak Edge Hotel, Darley Road, Chesterfield S45 0LW. |
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| 21 May | Henry Boot BOOT | £195m | AGM Statement
Henry Boot, a company engaged in land promotion, property investment and development, and |
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| 21 May | Zigup ZIG | £1,052m | Trading update | Pre-close Trading Update
The FY2026 financial year has ended strongly, supported by VoH growth in both Spain and UK&I, and good progress in Claims & Services. |
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| 21 May | Tekcapital TEK | £7.3m | New Orders
GenIP Plc (AIM: GNIP), a technology consultancy providing AI-driven services to help research organisations and corporations commercialise their innovations, is pleased to announce the following new orders. |
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| 21 May | Sabre Insurance Group SBRE | £408m | Trading update | Trading Update
Sabre Insurance Group plc Trading Update Return to growth in premium, continued focus on pricing discipline Full-year guidance reiterated; Ambition 2030 on track |
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| 21 May | Savannah Resources SAV | £156m | AGM Statement
Savannah Resources Plc, the developer of the Barroso Lithium Project in Portugal (the 'Project'), a 'Strategic Project' under the European Critical Raw Materials Act and Europe's largest spodumene lithium deposit hosts its Annual General Meeting ('AGM') today … |
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| 21 May | Ashtead Technology Holdings AT. | £489m | Upgrade / downgrade cycle | AGM Trading Statement
Ashtead Technology Holdings plc (LSE: AT.), a leading provider of subsea technology solutions to the global offshore energy sector, issues the following trading update ahead of its Annual General Meeting to be held at 10.00am today. |
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| 21 May | Capricorn Energy CNE | £291m | AGM Statement
Randy Neely, Chief Executive of Capricorn Energy PLC, will make the following statement at the Company's Annual General Meeting for shareholders at 10am on 21 May 2026. |
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| 21 May | Mitchells & Butlers MAB | £1,853m | Results | Half-year Results
"We have delivered another robust performance over the first half reflecting continued focus on enhancing guest appeal across our diverse portfolio of brands, driving sales growth through compelling customer offers and disciplined execution. |
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| 21 May | Close Brothers Group CBG | £570m | Trading update | Trading Statement
Close Brothers Group plc ("the group" or "Close Brothers") today issues its scheduled trading update relating to the third quarter of its 2026 financial year. |
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| 21 May | Tapir Holdings Ltd TAPH | £114m | Results | Final Results
Audited Annual Results for the Year Ended 31 December 2025 |
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| 21 May | Helios Underwriting HUW | £181m | Results | Final Results
Final results for the year ended 31 December 2025 |
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| 21 May | Northern Bear NTBR | £15m | Trading update | Trading Update
The Board of Directors (the "Board") of Northern Bear (LSE:NTBR), the AIM quoted group providing specialist building and support services headquartered in Northern England and serving customers across the UK, is pleased to provide an update on trading for the … |
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| 21 May | SDI Group SDI | £100m | Trading update | Trading Update
21 May 2026 - SDI Group plc, the buy and build group, focused on companies which design and manufacture specialist lab equipment, industrial & scientific sensors and industrial & scientific products, provides a trading update for the year ended 30 April 2026 … |
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| 21 May | Ibstock IBST | £321m | Trading update | AGM Trading Update
Ibstock Plc ("Ibstock" or the "Group"), a leading UK manufacturer of building products and solutions, announces a trading update for the period from 1 January 2026 to 30 April 2026, ahead of its Annual General Meeting (AGM), which is to be held at 12:00pm … |
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| 21 May | Metals one MET1 | £14m | Investee Company Update: NovaCore Uranium Inc.
NovaCore undertaking a US$1.25 million (minimum) pre-IPO financing |
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| 21 May | Ilika IKA | £45m | Ilika Trading Update and Notice of Results
Ilika continues to implement the ten-year manufacturing licence in place with Cirtec Medical LLC (Cirtec) to produce the Stereax range of miniature batteries at Cirtec's facility in Lowell, Massachusetts, US. |
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| 21 May | BTG Consulting plc BTG | £177m | Trading update | Year End Trading Update
Year end trading update & notice of full year results |
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| 21 May | Niox Group NIOX | £279m | AGM Statement
("NIOX" or the "Company" and, together with its subsidiaries, the "Group") |
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| 21 May | Tharisa THS | £329m | Results | Half-year Results and Dividend declaration
(Incorporated in the Republic of Cyprus with limited liability) |
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| 21 May | Ixico IXI | £22m | Contract win and contract extension
Alzheimer's contract win and Phase 2 clinical trial contract extension with total value of £1.3 million |
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| 21 May | Panthera Resources PAT | £61m | Conversion of Options
Gold exploration and development company Panthera Resources Plc (AIM: PAT), with assets in West Africa and India, announces the issue of 29,455 new ordinary shares of 1 pence each in the Company ("Ordinary Shares"). |