UK small-cap RNS · 13 May 2026
The key announcements of UK small & mid caps under £2bn on 13 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 | |
|---|---|---|---|---|---|
| 13 May | Morgan Advanced Materials MGAM | £786m | Overhang | Holding(s) in Company | |
| 13 May | S&U SUS | £228m | Annual Financial Report and Notice of AGM
Following release on 21 April 2026 of the preliminary results for the period to 5 February 2026, the Company announces that the 2026 Annual Report and Accounts are now available on its website at https://www.suplc.co.uk/investor.html#company-reports. |
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| 13 May | Public Policy Holding Company, Inc. PPHC | £234m | Share Cancellation and Total Voting Rights
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, announces … |
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| 13 May | Oxford Nanopore Technologies ONT | £1,957m | Director dealing | Share Incentive Plan - Director/PDMR Shareholding
The Company has been notified by Computershare Trustees Limited, the trustee of the SIP (the "SIP Trustee") that on 13 May 2026, it made an award of Partnership Shares (as defined in the SIP) of 133 ordinary shares of £0.0001 each ("Ordinary Shares") on … |
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| 13 May | Maintel Holdings MAI | £12m | Balance-sheet stress / refinancing | Retail Offer
The Board of Maintel Holdings plc (the "Company") is pleased to announce a retail offer via BookBuild (the "Retail Offer") of new ordinary shares of 1 penny each in the capital of the Company ("Ordinary Shares"). |
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| 13 May | Maintel Holdings MAI | £12m | Balance-sheet stress / refinancing | Placing and Issue of Convertible Loan Notes
Fundraising of up to £6 million, comprising a Conditional Placing of £3 million, a Retail Offer of up to £1 million & the issue of Convertible Loan Notes of £2 million |
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| 13 May | Taylor Maritime Investments Limited TMIP | £52m | Dividend Currency Election
An announcement was made on 24 April 2026 regarding the dividend to be paid on 26 May 2026 and the option for shareholders to elect to receive this in sterling rather than US dollars. |
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| 13 May | Topps Tiles TPT | £70m | Investor Presentation via Investor Meet Company
Investors can sign up to Investor Meet Company for free and add to meet TOPPS TILES PLC via: |
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| 13 May | Redcentric RCN | £88m | Capital Reduction Result of General Meeting
Redcentric plc (AIM: RCN), a leading UK IT managed services provider, is pleased to announce that at the General Meeting held earlier today in Harrogate, the special resolution put to shareholders regarding the proposed cancellation of the Company's share … |
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| 13 May | Avation AVAP | £84m | Director dealing | Warrant Exercise And Directors’ Dealing
All warrants from this series have now been exercise or have lapsed. |
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| 13 May | ATOME Energy ATOM | £16m | Results of General Meeting - Unconditional FID
Further to the Notice of General Meeting published on 27 April 2026, ATOME is pleased to announce that shareholders have today approved all Resolutions, including the approval of the Villeta Transaction and inter alia the renewal of share authorities to … |
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| 13 May | PureTech Health PRTC | £279m | PRTC To Showcase Deupirfenidone at ATS Conference
PureTech to Showcase Deupirfenidone Program at the American Thoracic Society International Conference |
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| 13 May | Thalia Therapeutics plc THAT | £11m | Board change | CEO Interview: Thalia’s RNA Therapeutics Strategy
Thalia Therapeutics plc (AIM: THAT), a biotech company developing innovative RNA therapeutics, is pleased to announce the release of a new video interview with Chief Executive Officer, Dr David Solomon. |
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| 13 May | Gana Media Group plc GANA | £21m | Estadio Deportes partners with Grupo Radio Centro
Estadio Deportes, Gana's wholly owned subsidiary, and Grupo Radio Centro have announced a content partnership that expands sports coverage into broadcast radio. |
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| 13 May | Mulberry Group MUL | £161m | Director dealing | Director/PDMR Shareholding
Mulberry Group plc (the "Company" or "Mulberry"), the British lifestyle brand, announces that, on 13 May 2026, Andrea Baldo, Chief Executive Officer, was granted an award of options (the "PSP Options") over 1,500,000 ordinary shares of 5 pence each in the … |
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| 13 May | Tristel TSTL | £207m | Exercise of Share Options and Total Voting Rights
Tristel plc (AIM: TSTL), the manufacturer of infection prevention products, announces that it has issued and allotted a total of 34,750 new ordinary shares of 1 penny each in the capital of the Company ("Ordinary Shares") following the exercise of options by … |
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| 13 May | EnQuest ENQ | £582m | Director Update
EnQuest PLC announces that Farina Khan, Non-Executive Director of the Company, will be appointed as a non-executive director of CelcomDigi Berhad with effect from 14 May 2026. |
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| 13 May | Serabi Gold SRB | £176m | Director dealing | Director/PDMR Shareholding
Serabi announces that on 12 May 2026 the Board of Directors agreed to award in aggregate 458,114 Conditional Share Awards (“CSA’s”) to employees (including directors) of the Company. |
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| 13 May | Serabi Gold SRB | £176m | Vesting and settlement of 2023 Conditional Share Awards and Notification of transactions by persons discharging managerial responsibilities
Serabi announces that on 12 May 2026 the Board of Directors approved the vesting of Conditional Share Awards that had been granted for the 2023 calendar year pursuant to the Company’s Long Term Incentive Plan (“LTIP”). |
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| 13 May | Afentra AET | £203m | Disclosure Table
The following are today's changes to the Disclosure Table: |
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| 13 May | Gamma Communications GAMA | £984m | Disclosure Table
The following are today's changes to the Disclosure Table: |
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| 13 May | Gamma Communications GAMA | £984m | Takeover target | Response to Speculation
The Board of Gamma notes the recent press speculation and confirms that Providence Equity Partners L.L.C. |
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| 13 May | Afentra AET | £203m | Project milestones | FY2025 Annual Results and Corporate Update
Afentra plc ("Afentra" or the "Company") (AIM: AET), the upstream oil and gas company focused on acquiring production and development assets in Africa, announces its audited annual results for the year ended 31 December 2025 as well as providing detail on its … |
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| 13 May | Total Graphite Plc TGR | £6.4m | Notice of GM
Total Graphite plc (TGR.L), the specialist flake graphite company and supplier of the critical mineral for the global energy transition, advises that the Circular to shareholders and Notice of a General Meeting ('GM'), have been distributed today. |
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| 13 May | Vertu Motors VTU | £259m | EBT Share Purchase
Vertu Motors announces that it was notified on 12 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. |
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| 13 May | Mercia Asset Management MERC | £130m | Direct investment portfolio cash receipts update
Mercia Asset Management PLC (AIM: MERC), the proactive, regionally focused private asset manager with over £2.0billion of assets under management, notes that the Group has received c.£1million of realisation proceeds in the last six months, from three of the … |
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| 13 May | Great Southern Copper GSCU | £14m | Scout Drilling Commences at Artemisa North Target
Scout RC Drilling Commences at Artemisa North Porphyry Copper Target |
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| 13 May | Arrow Exploration Corp. (Cdi) AXL | £106m | Results | Exploration Well IC-1 Log Results
CALGARY, May 13, 2026 - Arrow Exploration Corp. |
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| 13 May | Thor Explorations Ltd THX | £367m | Results | High-grade Exploration Results At Douta Project
These drilling results are from the three Licences that constitute the Douta Project Senegal (the "Douta Project" or the "Project"), namely the original Douta licence, the Douta West Licence, which lies contiguous to the west of the original Douta licence, … |
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| 13 May | Imaging Biometrics Ltd IBAI | £2.2m | Amendement To Notice Of Annual General Meeting
The Company notes an error to RNS 12 May 2026 (RNS Number: 0280E), that incorrectly stated that the ordinary shares of £0.01 will be sub-divided into one ordinary share of £0.0005. |
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| 13 May | European Green Transition EGT | £30m | EGT increases its interest in Anemos Analytics
13 May 2026 – European Green Transition plc (AIM: EGT), a company operating in the critical infrastructure sector, announce that it has entered into an agreement to acquire a further 27% of Anemos Analytics Ltd ("Anemos"), increasing its total interest in … |
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| 13 May | Savills SVS | £1,725m | AGM Statement
Ahead of its Annual General Meeting ("AGM") to be held at 12 noon today at 33 Margaret Street, London W1G 0JD, Savills plc ("Savills" or the "Group"), the global real estate advisor, issues an update on trading. |
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| 13 May | Avacta Group AVCT | £293m | Notice of Preliminary Results and Presentation
Christina Coughlin, Chief Executive Officer, and Brian Hahn, Chief Financial Officer, will deliver a live presentation via Investor Meet Company at 14:00 BST on May 19, 2026. |
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| 13 May | Total Graphite Plc TGR | £6.4m | Issue of Advisor Warrants
Total Graphite plc (TGR.L), the specialist flake graphite company and supplier of the critical mineral for the global energy transition, announces the issue of warrants to advisors in connection with recent fundraisings completed over 2025. |
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| 13 May | Poolbeg Pharma POLB | £44m | POLB 001 poster to be presented at EHA 2026
13 May 2026 - Poolbeg Pharma (AIM: POLB, 'Poolbeg' or the 'Company'), a clinical-stage biopharmaceutical company with a core focus on transforming the cancer immunotherapy field, announces that it will present data on POLB 001 at the European Hematology … |
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| 13 May | Rome Resources RMR | £17m | Airborne Geophysical Survey
Rome Resources plc (AIM: RMR), the DRC-focused tin and copper explorer, is pleased to announce that it is participating in an airborne geophysical survey (the "Survey") covering the greater Bisie tin district, a district that contains one of the world's … |
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| 13 May | Gem Diamonds Ltd. GEMD | £13m | Notification of Q1 2026 Trading Update
Gem Diamonds Limited (LSE: GEMD) will be releasing a Trading Update on 20 May 2026 for the period 1 January 2026 to 31 March 2026. |
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| 13 May | East Star Resources EST | £43m | Director Appointment
Endeavour Mining Executive VP, Exploration Joins East Star Board |
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| 13 May | Dekel Agri-Vision DKL | £4.2m | Insider conviction | Director Dealings, Issue of Equity and TVR | |
| 13 May | eEnergy Group EAAS | £1.5m | Board change | Directorate Change
Nigel has served as a non-executive director for the last six years, having joined the board of Alexander Mining plc prior to the RTO of eEnergy in January 2020, and has indicated that he will not be seeking re-election at the forthcoming AGM. |
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| 13 May | Mercantile Ports & Logistics Limited MPL | £14m | Board Changes and Corporate Update
Mercantile Ports & Logistics Limited (AIM: MPL), the owner and developer of the Karanja Port and Logistics facility in Navi Mumbai, India, is pleased to announce the appointment of Marty Martin to the Board of Directors of MPL, subject to completion of the … |
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| 13 May | EDX Medical Group Plc EDX | £38m | First Day of Dealings on AIM
Dealings in the Ordinary Shares on AIM will commence at 8:00 a.m. today under the TIDM "EDX" and ISIN: GB00BNDMJS47. |
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| 13 May | Science Group SAG | £229m | Treasury Shares Issued
Science Group plc (AIM:SAG) announces that on 12 May 2026 the Company issued 5,000 treasury shares at an average price of 1 pence per share in settlement of the exercise of share options. |
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| 13 May | Public Policy Holding Company, Inc. PPHC | £234m | Results | Q1 2026 Financial Results
Strong Revenue Growth Demonstrating Success of Company Strategy |
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| 13 May | Orosur Mining Inc OMI | £62m | Pepas West Expanding
· Ongoing drilling at Pepas West continues to show positive results: |
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| 13 May | Guardian Metal Resources plc GMET | £193m | Tempiute Historical Mine Tailings Update
Guardian Metal Resources PLC (NYSE.A:GMTL, LON:GMET, OTCQB:GMTLF), a strategic mineral exploration company focused on tungsten in Nevada, USA, is pleased to announce an update relating to historical mine tailings present at the Company's Tempiute Tungsten … |
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| 13 May | Conduit Holdings Limited Com Shs CRE | £636m | Capital return | Trading Update for Q1 2026
Managed investments continued to grow to $2.3 billion |
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| 13 May | Chill Brands Group CHLL | £0.9m | Commercial Update Ahead of AGM
Chill Brands Group plc (LSE: CHLL) is pleased to provide the following update to shareholders ahead of its Annual General Meeting that will be held later today. |
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| 13 May | Gamma Communications GAMA | £984m | Capital return | AGM Trading Update
A good start to the year, with continued healthy cash generation and full year guidance reiterated |
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| 13 May | Panther Metals PALM | £20m | Results | Winston Tailings Project: Batch 6 Assay Results
(Incorporated in the Isle of Man with company number 009753V) |
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| 13 May | EnergyPathways plc EPP | £13m | Agreement with ABP to locate MESH facilities
Agreement with ABP to locate MESH onshore facilities at Port of Barrow |
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| 13 May | KRM22 KRM | £20m | Upgrade / downgrade cycle | Final Results
· Annualised Recurring Revenue (ARR)[1] as at 31 December 2025 of £7.6m (2024: £6.6m, £6.4m at constant FX rates) - growth of 18.8% at constant FX rates |
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| 13 May | Inspecs Group SPEC | £98m | Takeover target | Final Results
Final Results for the year ended 31 December 2025 |
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| 13 May | Vistry Group VTY | £756m | Turnaround plan with targets | AGM Trading update
Vistry Group (the "Group") is providing an update on trading from 1 January 2026 to date (the "period"), ahead of its Annual General Meeting which is being held at 12.00pm today. |
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| 13 May | Premier African Minerals Ltd PREM | £2.2m | Operational Update and Funding
Premier African Minerals Limited ("Premier" or the "Company") is pleased to announce that it has today completed a subscription to raise approximately £1 million before expenses through the issue of new ordinary shares of nil par value in the capital of the … |
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| 13 May | Vertu Motors VTU | £259m | Disposal of a part (break-up) | Final Results
Final results for the year ended 28 February 2026 |
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| 13 May | Kelso Group Holdings KLSO | £19m | Fundraise | Proposed Placing and Subscription
Kelso, the main market listed investment vehicle, today announces its intention to raise new funds equal to 5% of its issued share capital at a placing price of 3.0 pence per share, equivalent to c.£650,000, by way of a placing and subscription of new … |
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| 13 May | Enwell Energy ENW | £37m | Results | 2025 Audited Results
· Aggregate average daily production of 1,865 boepd (2024: 2,288 boepd (in each case calculated on the days when the Group's fields were actually in production)) |
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| 13 May | AdvancedAdvT Limited ADVT | £239m | Transaction in Own Shares
for the purposes of UK Market Abuse Regulation. |
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| 13 May | Avon Technologies plc AVON | £730m | Turnaround plan with targets | Half-year Results
· Delivered medium-term targets for growth, margin, ROIC and leverage 18 months early |
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| 13 May | Getbusy GETB | £40m | Trading update | AGM Trading Update
SmartVault: the strategic control point in US tax preparation |
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| 13 May | Solid State SOLI | £93m | New Share Option Scheme and Award of Options
Solid State plc (AIM: SOLI), the specialist value added component supplier and design-in manufacturer of computing, power, and communications products, announces that the Board has approved a new share option scheme (the "2026 Scheme"), updating the existing … |
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| 13 May | Marshalls MSLH | £443m | Turnaround plan with targets | AGM Trading Update
In line trading performance year-to-date supports unchanged full-year expectations |
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| 13 May | Amaroq Ltd. AMRQ | £525m | Results | Q1 2026 Operational and Financial Results
Reykjavík, May 13, 2026 (GLOBE NEWSWIRE) -- ("Amaroq" or the "Company") |
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| 13 May | itim Group ITIM | £8.3m | Results | Final Results
("itim" or "the Company" and together with its subsidiaries "the Group") |
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| 13 May | Resolute Mining Limited RSG | £1,220m | Project milestones | ABC Project Scoping Study
Scoping Study Confirms Attractive Economics and Growth Potential at ABC Project, Côte d'Ivoire |