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UK small-cap RNS · 18 May 2026

The key announcements of UK small & mid caps under £2bn on 18 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.

DateCompanyMcap ↕TypeAnnouncement
18 May Neo Energy Metals NEO £17m Result of AGM
Neo Energy Metals plc (LSE: NEO; A2X: NEO), the uranium and gold development company focused on South Africa, announces that at the AGM of the Company held earlier today, all the resolutions set out in the Notice of AGM dated 23 April 2026 were duly passed by …
18 May Filtronic FTC £629m Holding Holding(s) in Company
18 May Polar Capital Holdings POLR £708m Routine Transaction in Own Shares
18 May Moneysupermarket.com Group MONY £1,032m Routine Transaction in Own Shares
18 May Fuller Smith & Turner FSTA £400m Routine Transaction in Own Shares
18 May Premier Miton Group PMI £48m Investor Presentation via Investor Meet Company
The presentation is open to all existing and potential shareholders.
18 May Diales Group Plc DIAL £16m EBT Share Purchase
("Diales" or the "Company " or the "Group")
18 May Big Yellow Group BYG £1,768m Board change Non-Executive Director Appointment
Big Yellow Group PLC announces that Helen Gordon has agreed to join the Board and act as Senior Independent Non-Executive Director with effect from 1 June 2027.
18 May DCI Advisors Ltd DCI £43m AMENDED AGM Update
The following amendment have been made to the 'AGM Update' announcement released on 18/05/2026 at 14:42 under RNS No 7731E.
18 May Evoke EVOK £189m Takeover target Extension of Firm Offer Deadline
On 20 April 2026, evoke announced that it was in discussions with Bally's Intralot S.A.
18 May Big Yellow Group BYG £1,768m Project milestones Results For The Year Ended 31 March 2026
2 Excluding Staines, Queensbury, Slough Bath Road and Wembley (all opened 2025/26)
18 May Vistry Group VTY £756m Director dealing Director/PDMR Shareholding
18 May Chrysalis Investments Limited CHRY £311m Director dealing Director/PDMR Shareholding
18 May Strix Group KETL £68m Holding Holding(s) in Company
18 May Eurocell ECEL £138m Director dealing Director/PDMR Shareholding
18 May Renalytix RENX £36m Holding Holding(s) in Company
18 May Jupiter Fund Management JUP £870m Routine Transaction in Own Shares
18 May NCC Group NCC £236m Routine Form 8.3 - NCC Group plc
18 May Morgan Advanced Materials MGAM £786m Overhang Holding(s) in Company
18 May DCI Advisors Ltd DCI £43m Disposal of a part (break-up) AGM Update
Commentary on the 2026 Annual General Meeting ("AGM")
18 May NCC Group NCC £236m Routine NCC Grou...
18 May Central Asia Metals CAML £252m Results of 2026 Annual General Meeting (AGM)
Central Asia Metals PLC (AIM: CAML) announces that all resolutions proposed at the AGM held earlier this morning were duly passed.
18 May Georgia Capital CGEO £1,276m Routine Transaction in Own Shares
18 May NCC Group NCC £236m Routine Form 8.3 - NCC Group plc
18 May Travis Perkins TPK £1,265m Holding Holding(s) in Company
18 May Ninety One N91 £1,937m Routine Transaction in Own Shares
18 May Costain Group COST £662m Routine Additional Listing
18 May Workspace Group WKP £677m Holding Holding(s) in Company
18 May Andrews Sykes Group ASY £214m Routine Posting of Annual Report and Notice of AGM
18 May Staffline Group STAF £46m Result of AGM
The 2026 Annual General Meeting ("AGM") of Staffline, the recruitment group, was held today, 18 May 2026.
18 May Great Southern Copper GSCU £14m Exercise of Warrants
Great Southern Copper plc (LSE: GSCU), the company focused on copper-gold-silver exploration in Chile, announces that warrant holders have exercised their right to subscribe for 2,166,666 new ordinary shares of 1p each in capital of the Company ("Ordinary …
18 May Future FUTR £275m Holding Holding(s) in Company
18 May Shearwater Group SWG £17m AIM Rule 17 and Schedule 2(g)
Shearwater Group plc, the cybersecurity, advisory and managed security services group, announces the following update in relation to directors' disclosure for Robin Southwell, Non-Executive Chair of the Company, pursuant to AIM Rule 17 and Schedule 2(g) of …
18 May NCC Group NCC £236m Routine Form 8.3 - NCC Group plc
18 May Synectics SNX £35m Routine Result of AGM
18 May Star Energy Group Plc STAR £39m Routine Result of General Meeting and Total Voting Rights
18 May Vertu Motors VTU £259m EBT Share Purchase
Vertu Motors announces that it was notified on 18 May 2026 of the following acquisition ("Dealing") of the Company's ordinary shares of 10p each ("Ordinary Shares") by Ocorian Limited ("Trustee"), the trustee of the Company's employee benefit trust.
18 May NCC Group NCC £236m Routine Form 8.5 - NCC Group plc
18 May Permanent TSB Group Holdings (CDI) PTSB £1,379m Routine Form 38.5(a) - Permanent TSB Group Holdings
18 May Great Southern Copper GSCU £14m Greenwood Research Note
The research note, titled "Lighting the touch paper", is available to view at the following link: https://greenwoodcp.co.uk/portal/#/portal/greenwood-capital-partners/research/cca72fb7-dbe1-41fe-a3b8-7b795b3efd6f
18 May Cairn Homes (CDI) CRN £1,387m Holding Holding(s) in Company
18 May Block Energy BLOE £11m Routine Result of General Meeting
18 May Forgent PLC FORG £5.8m Project milestones Completion of Fundraise and Acquisition Update
Completion of Equity Fundraise and Asset Acquisition Update
18 May GB Group GBG £357m Routine Transaction in Own Shares
18 May Mendell Helium plc MDH £13m Result of GM & Completion of Acquisition
The General Meeting of the Shareholders of Mendell Helium was held today at 10.00 a.m.
18 May Jersey Oil and Gas JOG £34m Holding Holding(s) in Company
18 May Botswana Minerals plc BMIN £3.2m Appointment of Joint Broker
Botswana Minerals PLC (AIM: BMIN; BSE: BMIN) is pleased to announce the appointment of VSA Capital Limited as the Company's Joint Broker to work alongside First Equity, the Company's existing broker.
18 May Firering Strategic Minerals FRG £5.1m Routine Result of General Meeting
18 May Moonpig Group MOON £871m Routine Transaction in Own Shares
18 May Optima Health OPT £268m Holding Holding(s) in Company
18 May Frontier Developments FDEV £188m EBT Share Purchase
Frontier Developments plc (AIM: FDEV) ("Frontier", the "Group" or the "Company"), a leading developer and publisher of video games based in Cambridge, UK, was notified on 15 May 2026, by Ocorian Limited, the trustee of the Frontier Developments plc Employee …
18 May Empire Metals Limited EEE £249m Holding Holding(s) in Company
18 May Permanent TSB Group Holdings (CDI) PTSB £1,379m Routine Form 38.5(a)
18 May Funding Circle Holdings FCH £569m Routine Transaction in Own Shares
18 May NCC Group NCC £236m Routine Form 8.5 - NCC Group plc
18 May Afarak Group SE AFRK £59m Notice To The Annual General Meeting
Notice is given to the shareholders of Afarak Group SE of the Annual General Meeting to be held on 9 June 2026, starting at 10:00 a.m.
18 May Restore RST £404m Routine Transaction in Own Shares
18 May SpaceandPeople SAL £3.1m Routine Notice of AGM - Replacement
18 May Volvere VLE £49m Holding Holding(s) in Company
18 May Costain Group COST £662m Director Declaration
Further to the announcement by Harworth Group plc ('Harworth') released earlier today and in accordance with UK Listing Rule 6.4.9R(2), Costain announces that Tony Quinlan, Non-Executive Director, will be appointed as Independent Non-Executive Director of …
18 May IQE IQE £528m Overhang Holding(s) in Company
18 May Fisher (James) & Sons FSJ £226m Director dealing Director/PDMR Shareholding
18 May Permanent TSB Group Holdings (CDI) PTSB £1,379m Routine Form 38.5(a) - Permanent TSB Group Holdings plc
18 May Tap Global Group Plc TAP £8.4m Tap Earn Update
Further to the announcement on 7 May 2026, Tap Global Group plc (AIM: TAP), an innovative digital finance hub that brings money payments and crypto settlement services together in a single user-friendly app, is pleased to provide an interim update on the …
18 May Caspian Sunrise CASP £45m Update
Caspian Sunrise PLC ("Caspian Sunrise" or the "Group")
18 May Capita CPI £344m Director dealing Director/PDMR Shareholding
18 May Victrex plc VCT £820m Board change Directorate Change
Victrex plc ("the Company") today announces that David Thomas has informed the Board that he has stepped down as a Non-executive director of the Company with immediate effect, due to ill health.
18 May Bioventix BVXP £94m Holding Holding(s) in Company
18 May Conroy Gold & Natural Resources (CDI) CGNR £7.2m Results Results from 2 Drill Holes at Clontibret
Extensive alteration zone identified in both drill holes
18 May Staffline Group STAF £46m Holding Holding(s) in Company
18 May Future FUTR £275m Holding Holding(s) in Company
18 May Advanced Medical Solutions Group AMS £615m Disclosure Table
The following are today's changes to the Disclosure Table:
18 May Bytes Technology Group BYIT £1,021m Routine Transaction in Own Shares
18 May Buccaneer Energy PLC BUCE £2.6m Board change CEO Interview Highlights
Buccaneer Energy (AIM: BUCE), an international oil & gas exploration and production company with development and production assets in Texas, USA, is pleased to share a recent interview with Chief Executive Officer Paul Welch on ADVFN's Capital Compass.
18 May Hays HAS £921m Director dealing Director/PDMR Shareholding
18 May Synectics SNX £35m Board change Directorate Change
Synectics plc (AIM: SNX), a leader in advanced security and surveillance solutions, announces that Bob Holt OBE has informed the Board of his intention to step down as Non-Executive Chair, reflecting his increasing commitments to EARNZ plc, where he is a …
18 May Sintana Energy Inc. SEI £111m Fundraise Result of Fundraise
As a result of the Fundraise, the Company will issue 38,001,253 New Common Shares to certain institutional and other investors at the Issue Price, subject to satisfaction of all applicable closing conditions including the receipt of all applicable regulatory …
18 May Staffline Group STAF £46m Routine Transaction in Own Shares and Total Voting Rights
18 May Bodycote BOY £1,541m Routine Transaction in Own Shares
18 May Powerhouse Energy Group PHE £10m Energy From Waste Innovation Award
Powerhouse Energy awarded top innovation accolade at national recycling awards
18 May Arecor Therapeutics AREC £37m Upcoming conference attendance
Cambridge, UK, 18 May 2026: Arecor Therapeutics plc (AIM: AREC), a clinical stage biotech company developing superior therapeutics that can reduce treatment burden and improve outcomes for people living with diabetes, obesity and other cardiometabolic …
18 May Gana Media Group plc GANA £21m Estadio Deportes launches New Advertising Service
Gana Media Group plc is pleased to announce that Estadio Deportes, the Group's Mexican sports media platform, has signed agreements with programmatic advertising partners.
18 May 88 Energy Limited 88E £15m South Prudhoe Prospective Resource Upgrade
88 Energy Limited (ASX: 88E, AIM: 88E, OTC: EEENF) (88 Energy or the Company) is pleased to announce a material update to the Prospective Resource Estimate for its South Prudhoe Project (100% W.I.), located on Alaska's North Slope immediately south of the …
18 May Valirx VAL £1.7m Offer WRAP Retail Offer for up to £150,000
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 announce a retail offer via the Winterflood Retail …
18 May SpaceandPeople SAL £3.1m Routine Notice of AGM
18 May Europa Oil & Gas (Holdings) EOG £22m Cloughton Well - Planning Application Update
Europa Oil & Gas (Holdings) plc / Index: AIM / Epic: EOG / Sector: Oil & Gas
18 May Talon Resources Plc TAR £7.3m Notice of Cancellation
The Company announces that it has requested the Financial Conduct Authority (FCA) to cancel the listing of its ordinary shares of £0.01 each (the "Shares") from the Equity Shares (Shell Companies) category of the Official List and to request the London Stock …
18 May Celsius Resources Limited CLA £8.4m Change of Company Secretary
Celsius Resources Limited ("Celsius" or the "Company") (+ASX, AIM: CLA) advises that Mrs.
18 May Eco (Atlantic) Oil & Gas ECO £144m JHI Acquisition - Final Court Order Obtained
("Eco," "Eco Atlantic," "Company," or together with its subsidiaries, the "Group")
18 May Public Policy Holding Company, Inc. PPHC £234m Filing of Form 10-Q
Public Policy Holding Company, Inc., (Nasdaq: PPHC) (AIM: PPHC) a leading global strategic communications provider offering a comprehensive range of advisory services in the areas of Government Relations, Public Affairs and Corporate Communications, announced …
18 May The Smarter Web Company Plc SWC £198m Head of Marketing Appointment
Jon will lead the Company's marketing strategy, overseeing brand development and marketing communications, including digital marketing, PR and content across all channels, as the Company continues to scale its marketing function.
18 May Ultimate Products ULTP £38m EBT Share Purchase
Further to its announcement of 2 February 2026, Ultimate Products, the owner of a number of leading homeware brands including Salter (the UK's oldest houseware brand, est.1760) and Beldray (est.1872), was notified that on 15 May 2026, JTC Employer Solutions …
18 May Glenveagh Properties (CDI) GLV £997m Share buyback tranche of up to €25 million
Glenveagh Properties plc ("Glenveagh" or the "Group") announced on 15 May 2026 that the share buyback programme initially announced on 15 January 2026 had been expanded to €50 million.
18 May Brave Bison Group BBSN £87m Results Annual Report, Notice of AGM & Dividend Dates
("Brave Bison" or the "Company", together with its subsidiaries "the Group")
18 May Celebrus Technologies CLBS £20m Launch of Share Buyback Programme
Celebrus Technologies plc (AIM: CLBS, the "Group", "Celebrus"), the AIM-listed data solutions provider, announces that the Board has approved a share buyback programme of up to 1,000,000 ordinary shares of 2 pence each in the capital of the Company ("Ordinary …
18 May AO World AO. £516m Notice of Full Year Results
AO World plc ("the Group" or "AO"), the UK's most trusted electricals retailer, expects to announce its full year results for the year ended 31 March 2026 on the morning of Wednesday, 17 June 2026.
18 May Power Probe PLC PWR £48m Results AGM Notice and Posting of Annual Report & Accounts
Power Probe (AIM: PWR), a leading producer of automotive electrical diagnostic tools for professional service technicians, announces that the Company's Annual General Meeting ("AGM") will be held on Wednesday 10 June 2026 at 9.00 a.m.
18 May accesso Technology Group ACSO £105m Director dealing Director/PDMR Shareholding
18 May eEnergy Group EAAS £1.5m New CEO / reset Directorate Change
Harvey will leave the Group at the end of May to pursue other opportunities.
18 May Zoo Digital Group ZOO £13m Turnaround plan with targets Board Update
ZOO Digital Group plc (AIM: ZOO), the tech-enabled localisation and digital media services partner to the global entertainment industry, provides a further update on changes to the Board.
18 May Inspecs Group SPEC £98m Takeover target Directorate Change
INSPECS Group plc, a leading designer, manufacturer and distributor of eyewear (sunglasses, optical frames, lenses and low vision products), announces that Christopher Hancock, Interim Non-Executive Chair, has informed the Board of his intention to step down …
18 May Ethernity Networks Ltd ENET £0.4m Director dealing Director/PDMR Shareholding
18 May PACSCo Limited PACS £0.2m Holding Holding(s) in Company
18 May Hays HAS £921m Board change CEO Appointment
Hays today announces the appointment of Mark Dearnley as Chief Executive Officer ("CEO") with immediate effect, having served as interim CEO since 27 February 2026.
18 May Gulf Marine Services GMS £211m Grant of Director Share Awards
Gulf Marine Services announces that Executive Chairman, Mansour Al Alami, was granted on 15 May 2026 share awards in the form of nil-cost options over ordinary shares of £0.02 each in the Company ("Shares") under the Company's Long Term Incentive Plan (the …
18 May ITM Power ITM £635m Director dealing Director/PDMR Shareholding
18 May Franchise Brands FRAN £292m Board change Appointment of new CFO & Group Delivery Director
Directorate changes - Appointment of new Chief Financial Officer and appointment of Group Delivery Director
18 May Blencowe Resources BRES £31m Project milestones Beehive Deposit Maiden JORC Resource
Beehive Maiden JORC Mineral Resource Delivers Major Upgrade at Orom-Cross
18 May Anpario ANP £83m Routine Transaction in Own Shares and Total Voting Rights
18 May Rockfire Resources ROCK £17m Molaoi Drilling Update
· Results from drill hole HMO-015 have been received from the laboratory, with highlights below.
18 May Trustpilot Group TRST £1,040m Routine Transaction in Own Shares
18 May Winvia Entertainment PLC WVIA £284m Acquisition of Rev Comps
Winvia Entertainment (AIM: WVIA), a technology-led entertainment business focused on Prize Draw Competitions and Online Gaming, is pleased to announce that it has entered into an asset purchase agreement (the "APA") with Robert Savage, Peter Savage and Amy …
18 May Inspecs Group SPEC £98m Takeover target Offer Closed
Bidco refers to its announcement of 1 May 2026 and confirms that the Offer was closed for acceptance at 6.00 p.m. on 15 May 2026 and is therefore no longer capable of being accepted.
18 May CelLBxHealth plc CLBX £9.1m Collaboration with AdventHealth for two studies
Collaboration with AdventHealth for two studies monitoring CTCs to improve cancer care
18 May Keystone Law Group KEYS £219m Routine Transaction in Own Shares
18 May Savannah Resources SAV £159m Technical work update and first capex purchase
Technical work update and first capital equipment purchased
18 May Ariana Resources AAU £36m Project milestones Sale of 13.6% Interest in Zenit for US$19.5m Cash
Ariana Resources plc (AIM: AAU, ASX: AA2, "Ariana" or "the Company"), the mineral exploration and development company with gold project interests in Africa and Europe, is pleased to advise that it has agreed to sell 13.6% out of its 23.5% interest in Zenit …
18 May New Frontier Minerals Limited NFM £5.2m NFM advances NWQ Copper Project with Austral
New Frontier Minerals Limited / Index: ASX & LSE / Epic: NFM / Sector: Industrial Metals and Mining
18 May Staffline Group STAF £46m Trading update AGM Trading Update
The Group is pleased to report that the strong operational and financial momentum experienced during FY 2025 has continued into FY 2026.
18 May Mears Group MER £336m Routine Transaction in Own Shares
18 May Helios Underwriting HUW £176m Routine Transaction in Own Shares
18 May ECR Minerals ECR £6.0m Completion of Acquisition of Paleogold Limited
ECR Minerals plc (AIM: ECR), the gold exploration and development company focused on Australia, is pleased to announce the completion of its acquisition of Paleogold Limited ("Paleogold") (the "Acquisition"), which also includes the completion of the …
18 May Empresaria Group EMR £16m Results Results for the year ended 31 December 2025
1 Adjusted to exclude amortisation of intangible assets identified in business combinations, impairment of goodwill and other intangible assets, exceptional items, loss on sale of subsidiaries, fair value charges on acquisition of noncontrolling shares and, …
18 May Kainos Group KNOS £1,468m Results Final Results
Full year results for the year ended 31 March 2026
18 May Kazera Global KZG £18m Legal & regulatory Strategic Update in relation to Aftan
Kazera Global plc (AIM: KZG), the AIM-quoted investment company, is pleased to provide an update regarding the ongoing evaluation of strategic options relating to its interest in African Tantalum (Pty) Ltd ("Aftan" or the "Project"), a tantalum and lithium …
18 May Cora Gold Limited CORA £84m Final Results & Notice of AGM
Cora Gold Limited / EPIC: CORA.L / Market: AIM / Sector: Mining
18 May Aeorema Communications AEO £7.9m Results Final Results
Aeorema Communications plc / Index: AIM / Epic: AEO / Sector: Media
18 May Synectics SNX £35m Upgrade / downgrade cycle AGM Trading Update
Synectics plc (AIM: SNX), a leader in advanced security and surveillance solutions, today provides shareholders with an update on trading ahead of its Annual General Meeting, taking place later this morning.
18 May Greencoat Renewables (CDI) GRP £725m Routine Transaction in Own Shares
18 May SSP Group SSPG £1,366m Routine Transaction in Own Shares
18 May Tooru PLC TOO £3.2m Trading update Trading Update
Tooru, an AIM listed company focused on the branded health and wellness sector, is pleased to provide a trading update.
18 May Gaming Realms GMR £86m Routine Transaction in Own Shares
18 May Glenveagh Properties (CDI) GLV £997m Routine Transaction in Own Shares
18 May Card Factory CARD £300m Routine Transaction in Own Shares
18 May Globaldata DATA £439m Routine Transaction in Own Shares
18 May Liontrust Asset Management LIO £188m Routine Transaction in Own Shares
18 May M&C Saatchi SAA £137m Routine Transaction in Own Shares
18 May Hunting HTG £594m Routine Transaction in Own Shares
18 May Anglo-Eastern Plantations AEP £685m Routine Transaction in Own Shares
18 May IWG IWG £1,745m Routine Transaction in Own Shares
18 May Manx Financial Group MFX £27m Accounts for the year ended 31 December 2025
Manx Financial Group PLC (LSE: MFX), the financial services group which includes Conister Bank Limited, Conister Finance & Leasing Ltd, Payment Assist Limited, Blue Star Business Solutions Limited, Edgewater Associates Limited and MFX Limited presents its …
18 May Wetherspoon (J.D.) JDW £952m Routine Transaction in Own Shares
18 May Future FUTR £275m Routine Transaction in Own Shares
18 May Caledonia Investments CLDN £1,961m Routine Transaction in Own Shares
18 May Gamma Communications GAMA £984m Routine Transaction in Own Shares
18 May Kainos Group KNOS £1,468m Routine Transaction in Own Shares
18 May Vistry Group VTY £756m Routine Transaction in Own Shares
18 May LSL Property Services LSL £249m Routine Transaction in Own Shares and Total Voting Rights
18 May Macfarlane Group MACF £125m Routine Transaction in Own Shares
18 May Johnson Service Group JSG £506m Routine Transaction in Own Shares

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