UK small-cap RNS · 20 May 2026
The key announcements of UK small & mid caps under £2bn on 20 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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| 20 May | Sabien Technology Group SNT | £1.1m | Settlement of Historical Contract
The Company's wholly owned subsidiary, Sabien Technology Limited, entered into an agreement at the time of the Company's IPO in 2006, as part of the acquisition of the M2G intellectual property (the "Contract"). |
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| 20 May | EKF Diagnostics Holdings EKF | £107m | Long Term Incentive Plan Award
EKF Diagnostics Holdings plc (AIM: EKF), the AIM-listed global diagnostics business, announces that the Board, following the recommendation of the remuneration committee and after consulting its advisers, has today made the following award (the "Award") to … |
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| 20 May | Playtech PTEC | £1,020m | Notification and public disclosure of transactions
Playtech plc has been notified of the following dealings in its ordinary shares by a Director/PDMR of the Company, details as follows: |
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| 20 May | Celebrus Technologies CLBS | £20m | Stake building towards control | Holding(s) in Company | |
| 20 May | Playtech PTEC | £1,020m | Result of AGM
Special resolution number 14 was also passed by shareholders by means of a poll vote. |
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| 20 May | Integrated Diagnostics Holdings IDHC | £218m | Results | Replacement - 1st Quarter Results
The following amendment has been made to the announcement released on 20 May 2026 at 07:00:02 under RNS Number 9748E. |
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| 20 May | RTC Group RTC | £12m | Activist campaign | Response to Shareholder Letter
The Company's notice of general meeting contained two resolutions that were proposed by Mr David Stredder, a member representing at least 5% of the total voting rights of all members of the Company. |
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| 20 May | GB Group GBG | £357m | Equifax and GBG Expand Global Partnership
Strengthen Power of Identity and Fraud Protection Offerings Globally |
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| 20 May | Capital Limited CAPD | £275m | Result of AGM
The Board of Directors of Capital Limited announces that all resolutions put to shareholders at today's Annual General Meeting ("AGM") were duly passed by the requisite majorities on a poll. |
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| 20 May | Manolete Partners MANO | £17m | Board change | Directorate Change
The Board announces that Marcia Shekerdemian KC has resigned as a non-executive director as a possible professional conflict has arisen from her role as a practicing barrister. |
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| 20 May | Anglo-Eastern Plantations AEP | £685m | Indonesian Government Export Proposals
AEP, which owns, operates and develops palm plantations in Indonesia and Malaysia, notes the Indonesian Government's announcement regarding a proposal concerning the export of commodities, including Indonesian crude palm oil ("CPO"), coal and ferro alloys. |
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| 20 May | M. P. Evans Group MPE | £1,020m | Indonesian commodity exporting
Evans, a producer of sustainable palm oil, notes today's announcement by the President of Indonesia, Prabowo Subianto, regarding proposed changes to the export of crude palm oil and other commodities. |
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| 20 May | Metals one MET1 | £12m | Metals One to Present at US Investor Conference
Metals One to Present at US Investor Conference to Promote OTC Listing |
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| 20 May | Nativo Resources NTVO | £4.4m | £2.1M Replacement Funding Package & Warrants Issue
Nativo Resources plc (LON:NTVO), the Peru-focused gold mining company, announces it has agreed a new funding package with YA II PN Ltd (the "Lender"), an institutional investor managed by Yorkville Advisors Global, LP (the "Yorkville Group"). |
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| 20 May | Wizz Air Holdings WIZZ | £1,012m | Notice of Full Year Results Date
Geneva, 20 May 2026: Wizz Air Holdings Plc ("Wizz Air"), one of the most sustainable European airlines, will issue audited Full Year 2026 results for the 12 months ended 31 March 2026 on Thursday, 11 June 2026 at 07:00 BST (08:00 CET). |
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| 20 May | REA Holdings RE. | £48m | Indonesian government proposals regarding commodity exports
Holdings plc: Indonesian government proposals regarding commodity exports 20-May-2026 / 09:35 GMT/BST R.E.A. |
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| 20 May | Avation AVAP | £84m | Admission Of New Ordinary Shares
Following Admission, there are a total of 66,921,124 ordinary shares in issue, with 6,916,066 held in treasury. |
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| 20 May | Resolute Mining Limited RSG | £1,220m | Result of AGM
Resolute Mining Limited (Resolute or the Company) (ASX/LSE: RSG) today held its Annual General Meeting of shareholders at 108 St Georges Terrace, Perth Western Australia. |
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| 20 May | Rockhopper Exploration RKH | £612m | Sea Lion Operator’s Update
Rockhopper Exploration plc (AIM: RKH), the oil and gas company with key interests in the North Falkland Basin ("NFB"), notes the recent update published by Navitas Petroleum LP ("Navitas" or the "Operator") on Sea Lion development progress. |
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| 20 May | Energean ENOG | £1,371m | Withdrawal of AGM Resolutions 15, 16, 17
London, 20 May 2026 - Energean plc (LSE: ENOG, TASE: אנאג) announces that the Board has decided to withdraw Resolutions 15, 16 and 17 from the agenda of the Annual General Meeting ("AGM") of the Company to be held today, Wednesday 20 May 2026 at 9.00 a.m. |
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| 20 May | 4basebio 4BB | £81m | Final Results and Notice of AGM
a company pioneering an enzymatically-produced DNA technology serving the next generation genetic medicines markets, announces its audited final results for the year ended 31 December 2025. |
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| 20 May | Energean ENOG | £1,371m | Upgrade / downgrade cycle | Energean Israel 1Q 2026 Accounts
Items that may be reclassified subsequently to profit or loss: |
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| 20 May | Energean ENOG | £1,371m | 1Q 2026 Interim Dividend Declaration
London, 20 May 2026 - Energean plc (LSE: ENOG, TASE: אנאג) announces that the Board has declared an interim dividend in respect of 1Q 2026 of 10 US cents per share. |
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| 20 May | Playtech PTEC | £1,020m | Board change | Directorate Change
Playtech plc (LSE: PTEC) announces that Ian Penrose, Senior Independent Director, has notified the Company of his intention to step down from the Board. |
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| 20 May | Science Group SAG | £229m | Segment turn | AGM Trading Update and Capital Allocation
Science Group is an international services and systems company delivering innovation through the application of science, technology & engineering. |
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| 20 May | Serval Resources Plc SRVL | £8.5m | Results | Results from Ground Geophysics Programme on PL061 in the Kalahari Copper Belt, Botswana
Serval Resources Plc (AIM: SRVL), a company focused on building an independent copper and future metals developer, is pleased to announce the results of the ground geophysics programme carried out on Licence PL061/2021 ("PL061") in the Kalahari Copper Belt … |
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| 20 May | 4basebio 4BB | £81m | Dilutive fundraise | 4basebio Signs Clinical Supply Agreement to Support Phase II Clinical Trial
Oncology focused biotech to utilise 4basebio’s opDNA® technology to support Phase II clinical trial of immunotherapy candidate |
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| 20 May | Bloomsbury Publishing BMY | £555m | Board change | Appointment of Non-Executive Director
Bloomsbury appoints Chris Blatchford to the Board as Non-Executive Director; |
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| 20 May | Gana Media Group plc GANA | £21m | Estadio Deportes sign Sponsorship Agreement
Estadio Deportes signs Digital Sponsorship Agreement with Feenicia of Mexico City |
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| 20 May | Petards Group PEG | £5.2m | Contract Win
Petards, the AIM quoted developer of advanced security, communication and surveillance systems, announces that its subsidiary, QRO Solutions (QRO), has signed a four year framework contract with Northumbria Police for the provision of ANPR equipment and … |
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| 20 May | Intercede Group IGP | £80m | Partnership with OneSpan
Intercede partners with OneSpan to accelerate enterprise adoption of FIDO passkeys |
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| 20 May | Premier African Minerals Ltd PREM | £2.2m | Creditor Settlement
Premier African Minerals Limited ("Premier" or the "Company") is pleased to announce that it has reached agreement with certain creditors to settle outstanding liabilities through the issuance of new ordinary shares in the Company (the "Settlement"). |
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| 20 May | Petrotal Corporation PTAL | £294m | Availability of Annual General Meeting Materials
PetroTal Announces Availability of Annual General Meeting Materials |
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| 20 May | Fulcrum Metals FMET | £11m | Fulcrum secures Teck Hughes Surface Rights
Fulcrum Metals plc / EPIC: FMET / Market: AIM / Sector: Mining |
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| 20 May | Kavango Resources KAV | £31m | Metallurgical Testwork Completed at Hillside
Hillside Metallurgical Testwork Programme Completed with Highly Positive Results |
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| 20 May | Hvivo HVO | £40m | Capital Markets Day
hVIVO to showcase integrated, full service early clinical development platform at Capital Markets Day |
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| 20 May | TMT Investments TMT | £75m | Launch of Share Buyback Programme
TMT Investments Plc (AIM: TMT.L), the venture capital company investing in high-growth technology companies, is pleased to announce that it will today commence an on-market share buyback programme (the "Programme") to purchase ordinary shares of no par value … |
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| 20 May | NewRiver REIT NRR | £346m | Notice of Full Year Results
NewRiver will announce its Full Year Results for the year ended 31 March 2026 on Tuesday 2 June 2026. |
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| 20 May | Synectics SNX | £35m | Funding of EBT to Acquire Ordinary Shares and RPT
Synectics plc (AIM: SNX), a leader in advanced security and surveillance solutions, announces that the Company intends to fund its employee benefit trust ("EBT") with up to £1.5 million in order for Quadnetics Employees' Trustees Limited, the Trustee of the … |
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| 20 May | Mortgage Advice Bureau (Holdings) MAB1 | £211m | Trading update | AGM Trading Statement
Mortgage Advice Bureau (Holdings) plc (LSE: MAB1), a leading technology-driven UK property finance service, will hold its Annual General Meeting at 12:30pm today during which Michael Jones, Chair, will make the following statement: |
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| 20 May | Helix Exploration HEX | £81m | Helium Sales Arrangement
Helix Exploration PLC (AIM: HEX, OTCQB: HEXFF), the helium exploration and development company advancing the Rudyard Helium Project ("Rudyard") in northern Montana, is pleased to announce that it has agreed terms for an initial short-term spot sales … |
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| 20 May | Discoverie Group DSCV | £790m | Notice of Full Year Results
discoverIE Group plc (LSE: DSCV), a leading international designer and manufacturer of customised electronics to industry will announce its Full Year Results for the year ended 31 March 2026 on Wednesday, 3 June 2026. |
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| 20 May | Cloudbreak Discovery CDL | £8.3m | EIS Geophysics Application Granted at Paterson, WA
Cloudbreak Discovery PLC (LSE:CDL), a London Stock Exchange Main Market listed company, is pleased to advise that an application for a co-funded geophysics program has been granted covering the Company's Paterson Project located ~40km south of the Telfer … |
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| 20 May | Tharisa THS | £364m | Announcement of Half-year Financial Report
(Incorporated in the Republic of Cyprus with limited liability) |
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| 20 May | Shoe Zone SHOE | £35m | Director dealing | Director & PDMR Dealing
Shoe Zone plc (the "Company") announces that, on 19 May 2026, Charles Smith, Chairman, and Anthony Smith, Director of Shoe Zone Retail Limited being a PDMR, purchased, in aggregate, 2,759,930 ordinary shares of 1p each in the Company ("Ordinary Shares") at a … |
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| 20 May | Gamma Communications GAMA | £984m | Board change | Confirmation of joining date for CFO
Confirmation of joining date for Chief Financial Officer |
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| 20 May | Arbuthnot Banking Group ARBB | £131m | Board change | Appointment of New Non-Executive Director
The Board of Arbuthnot Banking Group PLC ("the Company") is pleased to announce the appointment of Stephen Fletcher as a new, non- independent, non-executive director, with effect from 1 June 2026. |
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| 20 May | Caledonia Mining Corporation CMCL | £341m | PCA Shareholding Notification
May 20, 2026: Caledonia Mining Corporation Plc ("Caledonia" or "the Company") announces that it received notification on May 18, 2026 that Fremiro Investments (Private) Limited ("Fremiro"), a person closely associated with Mr July Ndlovu, a non-executive … |
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| 20 May | Georgina Energy plc GEX | £32m | Project milestones | Hussar EP513 Drill Contract Executed
Georgina Energy Plc (LSE: GEX.L), a helium and hydrogen exploration company with strategic permits in Australia, is pleased to announce it has executed a drilling contract with Ensign Australia Pty Ltd, for the supply of the Ensign 970 drill rig for the … |
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| 20 May | 88 Energy Limited 88E | £15m | South Prudhoe Augusta-1 Exploration Well Update
88 Energy Limited (ASX: 88E, AIM: 88E, OTC: EEENF) (88 Energy or the Company) is pleased to provide an update on its recently consolidated South Prudhoe acreage position on Alaska's North Slope (100% working interest, 16.7% royalty). |
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| 20 May | Lords Group Trading LORD | £20m | Results | Final Results
Continued strategic progress with increased diversification and operational leverage through greater national and digital presence |
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| 20 May | The Artisanal Spirits Company ART | £17m | Result of AGM
The Artisanal Spirits Company (AIM: ART), the creator of outstanding, limited-edition whiskies and experiences around the world, and owner of The Scotch Malt Whisky Society ("SMWS"), Single Cask Nation ("SCN"), J.G. |
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| 20 May | CT Automotive Group CTA | £16m | Legal & regulatory | Final Results
"FY25 was a year that tested the entire automotive sector, yet CT Automotive has continued to demonstrate resilience and strategic agility. |
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| 20 May | Strategic Minerals SML | £149m | Project milestones | Final Results
Strategic Minerals (AIM: SML; USOTC: SMCDF), an international mineral exploration and production company, is pleased to announce its results for the year ended 31 December 2025 (the "Period"). |
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| 20 May | Energean ENOG | £1,371m | Large acquisition / reverse takeover | Trading Statement & Operational Update
London, 20 May 2026 - Energean plc (LSE: ENOG, TASE: אנאג) provides an update on the Group's recent operations and 2026 trading performance in the 3-months to 31 March 2026 ("Q1 2026"). |
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| 20 May | Eco (Atlantic) Oil & Gas ECO | £144m | Navitas Petroleum farms into Block 1 CBK
("Eco," "Eco Atlantic," "Company," or together with its subsidiaries, the "Group") |
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| 20 May | Norman Broadbent NBB | £4.7m | AGM Statement
Norman Broadbent (AIM: NBB), a leading Executive Search and Interim Management firm, is holding its Annual General Meeting later this morning. |
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| 20 May | Impax Asset Management Group IPX | £109m | Results | Half-year Results
London, 20 May 2026 - Impax Asset Management Group plc ("Impax" or the "Company"), the specialist investor focused on the transition to a more sustainable global economy, today announces interim results for the six months to 31 March 2026 (the "Period"). |
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| 20 May | Medpal AI PLC MPAL | £46m | Launch of New Health dedicated GLP/peptides brand
Launch of New Health on new.co.uk as dedicated GLP-1 and peptides brand |
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| 20 May | Bow Street Group PLC BOW | £8.4m | Trading update | AGM Trading Update
("Bow Street Group", the "Group" or the "Company") |
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| 20 May | IntegraFin Holding IHP | £1,231m | Turnaround plan with targets | Half-year Results
Half year results for the six months ended 31 March 2026 |
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| 20 May | S&U SUS | £228m | Trading update | Trading Statement
As was seen in our latest annual report published on May the 13th, the turnaround in our fortunes which began last year continues apace. |
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| 20 May | Goldplat GDP | £35m | Legal & regulatory | Q3 Operating Results Update & Dividend Declaration
Goldplat plc / Ticker: GDP / Index: AIM / Sector: Mining & Exploration |
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| 20 May | Chesterfield Special Cylinders Holdings plc CSC | £14m | Upgrade / downgrade cycle | 2026 Interim Results
Chesterfield Special Cylinders Holdings plc (AIM: CSC) announces its unaudited interim results for the 26 weeks to 28 March 2026 ("the period"). |
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| 20 May | Essentra ESNT | £328m | Acquisition of Boteco Srl
Essentra plc, a leading global provider and manufacturer of essential components and solutions, is pleased to announce the agreement to acquire Boteco Srl ("Boteco"), an Italian, family-owned, expert designer and manufacturer of mechanical components for an … |
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| 20 May | Bloomsbury Publishing BMY | £555m | Results | Audited Preliminary Results
Audited Preliminary Results for the year ended 28 February 2026 |
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| 20 May | Oriole Resources ORR | £13m | Project milestones | Further Gold Mineralisation at Mbe South Deposit
Step-out Drilling Intersects Further Gold Mineralisation at Mbe South Deposit |
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| 20 May | East Star Resources EST | £43m | Piket Project: Large Copper-Gold Target Identified
Large potential lithocap-hosted Cu-Au porphyry or epithermal system identified at Piket Project |
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| 20 May | Essentra ESNT | £328m | Trading update | 2026 AGM Trading Update
Essentra plc, a leading global provider and manufacturer of essential components and solutions, provides a trading update for the four months ended 2 May 2026 (the "period"), ahead of its Annual General Meeting, to be held at 13:00 BST today. |
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| 20 May | Gem Diamonds Ltd. GEMD | £13m | Trading update | Q1 2026 Trading Update
Gem Diamonds Limited (LSE: GEMD) ("Gem Diamonds" or the "Company" or the "Group") provides the following Trading Update detailing the Group's operational and sales performance from 1 January 2026 to 31 March 2026 ("Q1 2026" or the "Period"). |
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| 20 May | Coats Group COA | £1,635m | Trading update | Trading Statement
Coats Group plc ('Coats' or the 'Group'), a world-leading Tier 2 supplier of critical components to the apparel and footwear industries, today announces a trading update for the four month period 1 January to 30 April 2026 (the 'period') ahead of its Annual … |
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| 20 May | Playtech PTEC | £1,020m | Trading update | AGM Trading Update
Very strong start to 2026 with continued momentum in regulated markets |
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| 20 May | Knights Group Holdings KGH | £144m | Trading update | Full Year Trading Update
Strong revenue and profit performance, with double-digit organic growth in the second half |
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| 20 May | Integrated Diagnostics Holdings IDHC | £218m | Results | 1st Quarter Results
Integrated Diagnostics Holdings plc reports 31% revenue growth in Q1 2026 with continued expansion across core markets and resilient profitability performance |
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| 20 May | Stelrad Group SRAD | £185m | Trading update | AGM Trading Update
Stelrad Group plc ("Stelrad" or "the Group", LSE: SRAD), a leading specialist manufacturer and distributor of steel panel and design radiators in the UK, Europe and Turkey, is holding its Annual General Meeting today and will make the following comments … |
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| 20 May | 4Imprint Group FOUR | £1,289m | AGM Statement
4imprint Group plc, (the "Group"), the leading direct marketer of promotional products, today holds its Annual General Meeting at which Paul Forman, Chairman, will make the following remarks: |
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| 20 May | Mkango Resources MKA | £138m | Agreement With Heraeus To Acquire Heraeus Remloy
London / Vancouver: May 20, 2026 - Mkango Resources Ltd. |
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| 20 May | Aterian ATN | £4.7m | PIK Bond Conversion
Aterian Plc (LSE: ATN), the Africa-focused critical minerals exploration, development and trading company, announces the conversion and redemption of a portion of its outstanding PIK Bonds through the issue of new ordinary shares in the Company following a … |
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| 20 May | Character Group CCT | £54m | Director dealing | Directors’ share dealings
- Mr Jon Diver, Joint Group Managing Director and a Person Discharging Managerial Responsibilities (a "PDMR"), yesterday notified the Company that on 18 May 2026 he purchased 1,666 ordinary shares of 5 pence each ("Ordinary Shares") at a price of 276p per … |