UK small-cap RNS · 16 Dec 2025

The key announcements of UK small & mid caps under £2bn on 16 Dec 2025 – situations they move are marked, with the share price since.

Key = all announcements except routine filings (voting rights, buybacks, holdings, director forms), plus director dealings and holdings that are part of a situation. Not investment advice.

Date	Company	Mcap ↕	Type	Announcement
16 Dec	Fuller Smith & Turner FSTA	£400m		Fuller, Smith & Turner PLC: Fuller, Smith & Turner PLC (FSTA) Fuller, Smith & Turner PLC: 16-Dec-2025 / 17:54 GMT/BST Fuller, Smith & Turner P.L.C.
16 Dec	THG THG	£562m	Holding	Holding(s) in Company
16 Dec	Paragon Banking Group PAG	£1,279m	Routine	Transaction in Own Shares
16 Dec	Young & Co's Brewery 'A' Shares YNGA	£660m	Director dealing	Director/PDMR Shareholding
16 Dec	Crystal Amber Fund Ltd. CRS	£43m	Routine	Transaction in Own Shares and Total Voting Rights
16 Dec	Kier Group KIE	£1,293m	Holding	Holding(s) in Company
16 Dec	Kier Group KIE	£1,293m	Director dealing	Director/PDMR Shareholding
16 Dec	Rockfire Resources ROCK	£17m	Routine	Posting of Circular and Notice of General Meeting
16 Dec	Georgia Capital CGEO	£1,276m	Routine	Transaction in Own Shares
16 Dec	SHAWBROOK GROUP PLC SHAW	£1,530m	Director dealing	Director/PDMR Shareholding
16 Dec	Applied Nutrition Plc APN	£729m	Holding	Holding(s) in Company
16 Dec	Smiths News SNWS	£190m	Routine	Notice of AGM
16 Dec	Funding Circle Holdings FCH	£569m	Routine	Transaction in Own Shares
16 Dec	Vistry Group VTY	£756m	Director dealing	Director/PDMR Shareholding
16 Dec	Mobico Group MCG	£172m	Director dealing	Director/PDMR Shareholding
16 Dec	SSP Group SSPG	£1,366m	Results	Annual Report
16 Dec	Topps Tiles TPT	£70m	Director dealing	PDMR PCA Transaction
16 Dec	Discoverie Group DSCV	£790m	Holding	Holding(s) in Company
16 Dec	Guardian Metal Resources plc GMET	£193m		U.S. Listing Update Further to the announcement dated 8 September 2025, Guardian Metal Resources PLC (LON: GMET), a tungsten exploration and development company, is making good progress with its plans to undertake an offering of American Depositary Shares ("ADSs"), with each ADS …
16 Dec	Vanquis Banking Group 20 VANQ	£173m	Director dealing	Director/PDMR Shareholding
16 Dec	Costain Group COST	£662m	Holding	Holding(s) in Company
16 Dec	Inspecs Group SPEC	£98m		Statement regarding Inspecs Group plc - Amendment The following amendment has been made to the announcement 'Statement regarding Inspecs Group plc' released on 16 December 2025 at 10:13 under RNS No 7694L.
16 Dec	XP Power Ltd. XPP	£533m	Director dealing	Director/PDMR Shareholding
16 Dec	NCC Group NCC	£236m	Routine	Form 8.3 - NCC Group plc
16 Dec	Serica Energy SQZ	£1,097m	Director dealing	Director/PDMR Shareholding
16 Dec	Everyman Media Group EMAN	£45m	Holding	Holding(s) in Company
16 Dec	On The Beach Group OTB	£239m	Holding	Holding(s) in Company
16 Dec	Grainger GRI	£1,314m		Publication of the Notice of AGM 2026 Following the publication of our 2025 Annual Report and Accounts on our website on 20 November 2025, we have today published our Notice of AGM.
16 Dec	Nationwide Building Society Core Capital Deferred Shs (Min 250 CCDS) NBS	£1,140m	Routine	Publication of a Supplementary Prospectus
16 Dec	Premier Foods PFD	£1,736m	Director dealing	Director/PDMR Shareholding
16 Dec	Permanent TSB Group Holdings (CDI) PTSB	£1,379m	Routine	Form 38.5(b) - Permanent TSB Group Holdings
16 Dec	Permanent TSB Group Holdings (CDI) PTSB	£1,379m	Routine	Form 38.5(b) - Permanent TSB Group
16 Dec	Applied Nutrition Plc APN	£729m	Holding	Holding(s) in Company
16 Dec	Genuit Group GEN	£726m	Holding	Holding(s) in Company
16 Dec	Genuit Group GEN	£726m	Holding	Holding(s) in Company
16 Dec	EKF Diagnostics Holdings EKF	£107m		Share Buyback EKF Diagnostics Holdings plc (AIM: EKF), the AIM-listed global diagnostics business, announces that it has purchased a total of 141,000 of its ordinary shares of 1p each in the capital of the Company ("Ordinary Shares") at a weighted average price of 23.5 …
16 Dec	Renalytix RENX	£36m	Holding	Holding(s) in Company
16 Dec	Caledonia Investments CLDN	£1,961m	Director dealing	Director/PDMR Shareholding
16 Dec	NCC Group NCC	£236m	Routine	Form 8.3 - NCC Group plc
16 Dec	Permanent TSB Group Holdings (CDI) PTSB	£1,379m	Routine	Form 38.5(a) - Permanent TSB Group
16 Dec	Wetherspoon (J.D.) JDW	£952m	Director dealing	Director/PDMR Shareholding
16 Dec	Premier African Minerals Ltd PREM	£2.2m		Canmax Interest Conversion Premier African Minerals Limited ("Premier" or the "Company") announces that Canmax Technologies Co., Ltd ("Canmax") has elected to convert £77,233.89 (approximately US$103,246.26) of accrued interest due under the Restated and Amended Offtake and Prepayment …
16 Dec	EnQuest ENQ	£582m	Holding	Holding(s) in Company
16 Dec	NCC Group NCC	£236m	Routine	Form 8.3 - NCC Group plc
16 Dec	Haydale Graphene Industries HAYD	£19m	Fundraise	Result of Retail Offer The Board of Haydale Graphene Industries Plc (the "Company") is pleased to announce that the Retail Offer launched on 12 December 2025 has now closed, raising in total £0.50 million through the issuance of 100,000,000 Retail Shares at a price of 0.5 pence …
16 Dec	NCC Group NCC	£236m	Routine	Form 8.3 - NCC Group plc
16 Dec	Gattaca GATC	£42m	Director dealing	Exercise of Options and Director/PDMR Shareholding
16 Dec	Origin Enterprises (CDI) OGN	£362m		Re-issue of Treasury Shares Dublin, London, 16 December 2025: Origin Enterprises plc ('Origin' or 'the Group'), the international group shaping the future of sustainable agriculture and land use, announces that it has transferred 11,486 treasury shares to satisfy the exercise of share …
16 Dec	Uniphar (CDI) UPR	£912m	Holding	Holding(s) in Company - Replacement
16 Dec	TT Electronics TTG	£334m	Routine	Form 8.3 - TT Electronics plc
16 Dec	NCC Group NCC	£236m	Routine	Form 8.5 - NCC Group plc
16 Dec	Blencowe Resources BRES	£31m		Exercise of Warrants The Company has received notices for an aggregate of 9,066,667 warrants resulting from the exercise of 5,750,000 warrants at the issue prices of 6p and 3,316,667 warrants at the issue price of 4.5p resulting in the receipt of approximately £494,000.
16 Dec	TT Electronics TTG	£334m	Routine	Form 8.5 - TT Electronics plc
16 Dec	Corcel CRCL	£42m	Holding	Holding(s) in Company
16 Dec	Shearwater Group SWG	£17m	Routine	Result of AGM
16 Dec	Fusion Antibodies FAB	£8.1m		Launch of OptiMAL platform Launch of the OptiMAL® Human Antibody Discovery platform
16 Dec	Oxford Metrics OMG	£38m		Change in Accounting Reference Date Oxford Metrics plc (LSE: OMG), the smart sensing and software company servicing life sciences, entertainment, engineering and smart manufacturing markets, announces that the Company intends to change to its accounting reference date and financial year end …
16 Dec	Capital Limited CAPD	£275m	Director dealing	Director/PDMR Shareholding
16 Dec	Permanent TSB Group Holdings (CDI) PTSB	£1,379m	Routine	Form 38.5(a) - Permanent TSB Group Holdings plc
16 Dec	NCC Group NCC	£236m	Routine	Form 8.5 - NCC Group plc
16 Dec	TT Electronics TTG	£334m	Routine	Form 8.3 - TT Electronics plc
16 Dec	Inspecs Group SPEC	£98m		Disclosure Table The following are today's changes to the Disclosure Table:
16 Dec	Aptamer Group APTA	£11m		Licensing agreement with Twist Bioscience Non-exclusive license for Optimer® binder targeting the next-generation sequencing market
16 Dec	TT Electronics TTG	£334m	Routine	Form 8.5 - TT Electronics plc
16 Dec	Morgan Sindall Group MGNS	£1,876m	Routine	Additional Listing
16 Dec	Inspecs Group SPEC	£98m		Statement regarding Inspecs Group plc Further to the announcements made by Inspecs on 23 October 2025 and 20 November 2025 regarding a possible offer for Inspecs, H2 Equity Partners Limited, acting in its capacity as investment adviser to its affiliated investment manager and investment funds …
16 Dec	Pensana PRE	£145m	Routine	Issue of Equity
16 Dec	Cornish Metals PLC TIN	£128m		Cornish Metals Completes Redomicile To UK As previously disclosed by Cornish Canada, the Arrangement resulted in the transfer of all the issued and outstanding common shares of Cornish Canada (each a "Cornish Canada Share") to Cornish UK in exchange for the issue to the shareholders of the Company of …
16 Dec	Discoverie Group DSCV	£790m	Routine	Issue of Equity & Total Voting Rights
16 Dec	NCC Group NCC	£236m	Routine	Form 8.3 - [ncc Group plc
16 Dec	Sirius Real Estate Ltd. SRE	£1,472m	Director dealing	Director/PDMR Shareholding Notification of a transaction by a Person Discharging Managerial Responsibilities ("PDMR")
16 Dec	Rank Group RNK	£353m	Director dealing	Director/PDMR Shareholding
16 Dec	Avon Technologies plc AVON	£730m	Holding	Holding(s) in Company
16 Dec	Wellnex Life Limited WNX	£4.0m	Turnaround plan with targets	Trading Update Wellnex Life Limited (ASX/AIM:WNX) ("Wellnex Life" or the "Company") announces that Executive Chairman, Ash Vesali, has today provided the following update to shareholders.
16 Dec	Jersey Electricity 'A' Shares JEL	£135m	Results	Annual Report A final dividend of 12.60p on the Ordinary and 'A' Ordinary shares in respect of the year ended 30 September 2025 was recommended (2024: 12.00p).
16 Dec	Rathbones Group RAT	£1,640m	Routine	Transaction in Own Shares
16 Dec	Cornish Metals PLC TIN	£128m		Suspension - Cornish Metals Inc.
16 Dec	Alien Metals Limited UFO	£8.3m	Board change	Appointment of Non-Executive Director Alien Metals Limited (AIM: UFO), a minerals exploration and development company, is pleased to announce that, further to the Company's announcement on 11 December 2025, Mr Michael Carter has been appointed to the Board as an independent Non-Executive Director …
16 Dec	Fuller Smith & Turner FSTA	£400m	Routine	Transaction in Own Shares
16 Dec	RM RM.	£97m		RM plc Director Declaration
16 Dec	Trustpilot Group TRST	£1,040m	Routine	Transaction in Own Shares
16 Dec	Diversified Energy Company DEC	£762m	Routine	Transaction in Own Shares
16 Dec	Diversified Energy Company DEC	£762m		Q2 2025 Dividend Exchange Rate Diversified Energy Company (NYSE:DEC; LSE:DEC) announced on August 11, a dividend in respect of the second quarter ended June 30, 2025 in the amount of 29 cents per share (the “Q2 2025 Dividend”.) The Company will pay the Q2 2025 Dividend on December 31, …
16 Dec	Science Group SAG	£229m		Corporate Brokers With immediate effect, Peel Hunt LLP has been appointed as joint corporate broker to Science Group plc, alongside Panmure Liberum Limited.
16 Dec	Oxford Instruments OXIG	£1,508m	Routine	Transaction in Own Shares
16 Dec	Moonpig Group MOON	£871m	Routine	Transaction in Own Shares
16 Dec	Bodycote BOY	£1,541m	Routine	Transaction in Own Shares
16 Dec	Caledonia Mining Corporation CMCL	£341m		Utilisation of block admission in respect of ATM St Helier, December 16, 2025 - In accordance with Rule 29 of the AIM Rules for Companies ("the AIM Rules"), Caledonia Mining Corporation Plc ("Caledonia" or "the Company") gives below the information required by Schedule Six of the AIM Rules in connection …
16 Dec	Wishbone Gold WSBN	£6.3m		Investor Interview with focusIR Wishbone Gold Plc (AIM and AQSE: WSBN) is pleased to announce that its Chairman and CEO, Richard Poulden together with Wishbone Gold WA Pty Ltd Director, Edward Mead discuss recent developments with the Red Setter Gold Dome Project, with focusIR.
16 Dec	Invinity Energy Systems IES	£101m		First Phase of 20.7 MWh UK Project Delivered Invinity Copwood VFB Energy Hub, formerly known as the LoDES Project, will be largest in Europe once operational
16 Dec	Ondine Biomedical Inc. OBI	£55m		Ondine shortlisted for HSJ Partnership Award HSJ Partnership Award Finalists: Ondine Biomedical and Mid Yorkshire Teaching NHS Trust for Cutting Post-surgical Infection Rates
16 Dec	Hunting HTG	£594m		Extension of Share Buyback Programme Extension of Share Buyback Programme by up to $20 million
16 Dec	Genflow Biosciences GENF	£10m		Completion of Dosing Phase of Canine Gene Therapy Genflow Completes Dosing Phase of Canine Gene Therapy Trial
16 Dec	Sovereign Metals Limited SVML	£161m	Project milestones	World Bank Group's IFC to Collaborate with SVM · Collaboration Agreement signed with International Finance Corporation (IFC), a member of the World Bank Group, to support the sustainable development of Kasiya.
16 Dec	BSF Enterprise BSFA	£2.2m		3D Bio-Tissues Signs Supply Agreement with SeaWith The agreement will see 3DBT deliver commercial supplies of City-Mix®, the company's premium macromolecular crowder for cell culture, to SeaWith to help reduce the cost and scale production of its cultivated beef product.
16 Dec	Active Energy Group AEG	£4.9m		Optimisation of Digital Infrastructure Capacity Optimisation of Spare Digital Infrastructure Capacity and Treasury Management
16 Dec	Fulcrum Metals FMET	£11m		Investee Company Update: Terra Balcanica Fulcrum Metals plc / EPIC: FMET / Market: AIM / Sector: Mining
16 Dec	Tertiary Minerals TYM	£4.3m		Intent to Produce Target for Cu-Ag, Mushima North Intent to Produce an Exploration Target for Copper-Silver Target A1, Mushima North Project, Zambia
16 Dec	PPHE Hotel Group Ltd PPH	£608m		Refinancing of Park Plaza Victoria London PPHE Hotel Group, the international hospitality real estate group which develops, owns and operates hotels and resorts, is pleased to announce that it has entered into an agreement to refinance Park Plaza Victoria London (the "Hotel").
16 Dec	Allergy Therapeutics AGY	£285m		Grassmuno® marketing authorisation in Germany ("Allergy Therapeutics" or the "Company" or the "Group")
16 Dec	Kromek Group KMK	£37m	Routine	Notice of Results
16 Dec	Fulcrum Metals FMET	£11m		Completion of expanded auger drilling programme Fulcrum Metals plc / EPIC: FMET / Market: AIM / Sector: Mining
16 Dec	Pathos Communications plc NEWS	£17m	Upgrade / downgrade cycle	First Day of Dealings on AIM Pathos Communications, the technology-enabled, human-led PR company, is pleased to announce that the admission of its ordinary shares of 0.1 pence each ("Ordinary Shares") to trading on the AIM Market of the London Stock Exchange will take place today …
16 Dec	Tavistock Investments TAVI	£8.4m		Update re ongoing litigation with Titan Further to the disclosures made in the Company's financial statements for the year ended 31 March 2025 and the announcement released by the Company on 2 October 2025, Tavistock today provides an update on the ongoing litigation with Titan Wealth Services …
16 Dec	Oriole Resources ORR	£13m	Project milestones	Preliminary Economic Assessment for Bibemi Project Preliminary Economic Assessment for the Bibemi Gold Project, Cameroon to support Exploitation Licence Application Process
16 Dec	Arkadian Strategic Metals Plc AKN	£2.1m		Revised Date for Admission of Shares to Trading Alba Mineral Resources Plc / EPIC: ALBA / Market: AIM / Sector: Mining
16 Dec	Saga SAGA	£1,141m		Saga and Ageas Insurance partnership goes live Saga plc (Saga) is pleased to announce that its 20-year motor and home insurance partnership (the Affinity Partnership) with Ageas UK, wholly-owned subsidiary of Ageas SA/NV (Ageas) has now gone live.
16 Dec	Trustpilot Group TRST	£1,040m	Holding	Holding(s) in Company
16 Dec	Nichols NICL	£413m	Director dealing	Director/PDMR Shareholding
16 Dec	Strategic Minerals SML	£149m	Holding	Holding(s) in Company
16 Dec	Strategic Minerals SML	£149m	Holding	Holding(s) in Company
16 Dec	Chemring Group CHG	£1,460m	Director dealing	Director/PDMR Shareholding
16 Dec	Chemring Group CHG	£1,460m	Director dealing	Director/PDMR Shareholding
16 Dec	Chemring Group CHG	£1,460m	Director dealing	Director/PDMR Shareholding
16 Dec	Chemring Group CHG	£1,460m	Director dealing	Director/PDMR Shareholding
16 Dec	Chemring Group CHG	£1,460m	Director dealing	Director/PDMR Shareholding
16 Dec	Oxford Biodynamics OBD	£15m		Preliminary Results and Notice of AGM ("OBD" or the "Company" and, together with its subsidiaries, the "Group")
16 Dec	Team Internet Group plc TIG	£90m	Director dealing	Director/PDMR Shareholding
16 Dec	Frontier Developments FDEV	£188m	Board change	CEO Transition Frontier Developments plc (AIM: FDEV, 'Frontier' or the 'Company'), a leading developer and publisher of video games based in Cambridge, UK, announces that CEO Jonny Watts has informed the Board that he plans to step down from the Board for personal reasons, …
16 Dec	Critical Metals CRTM	£66m	Board change	Directorate Change Critical Metals plc / EPIC: CRTM / Market: Main Market
16 Dec	Rome Resources RMR	£17m	Director dealing	Director/PDMR Shareholding
16 Dec	Thruvision Group THRU	£9.4m	Holding	Holding(s) in Company
16 Dec	M. P. Evans Group MPE	£1,020m	Director dealing	Director/PDMR Shareholding
16 Dec	DotDigital Group DOTD	£168m	Director dealing	Director/PDMR Shareholding
16 Dec	EKF Diagnostics Holdings EKF	£107m	Board change	Executive Chair share purchase EKF Diagnostics Holdings plc (AIM: EKF), the AIM-listed global diagnostics business, announces that on Monday 15 December, Julain Baines, Executive Chair, purchased a total of 85,000 ordinary shares of 1 pence each in the Company ("Ordinary Shares") at a …
16 Dec	Eagle Eye Solutions Group EYE	£144m		Director share options amendment Eagle Eye, a leading SaaS and AI technology company that creates digital connections enabling personalised, real-time marketing at scale, announces an amendment to its existing share option agreements with CEO Tim Mason and CFO Lucy Sharman-Munday in respect …
16 Dec	Manx Financial Group MFX	£27m		Exercise of RSU's, Issue of Equity and TVR Exercise of Restricted Stock Units, Issue of Equity and TVR
16 Dec	Serica Energy SQZ	£1,097m		Acquisition of assets from Spirit Energy Serica Energy plc (AIM: SQZ) is pleased to announce the entry into a sale and purchase agreement, via two of its newly acquired subsidiaries following the completion of the Prax Upstream transaction, to acquire a portfolio of Southern North Sea assets[1] (the …
16 Dec	CVS Group CVSG	£863m	Routine	Transaction in Own Shares
16 Dec	Somero Enterprises Inc. SOM	£141m	Routine	Transaction in Own Shares and Total Voting Rights
16 Dec	GEO Exploration Limited GEO	£4.5m		Capital Raise of £1,250,000 GEO Exploration Limited (LSE AIM: GEO) is pleased to announce that it has successfully completed a capital raise (the "Fundraise"), raising £1.25 million before expenses through the placing of 694,444,444 new Ordinary Shares at a price of 0.18 pence per share.
16 Dec	Medpal AI PLC MPAL	£46m		Update on ATM Facility The Company has raised gross proceeds of approximately £498,225 via the ATM facility through the issue of 7,500,000 new ordinary shares ("ATM Shares") at an average price of 6.643p per ATM Share.
16 Dec	Hostelworld Group HSW	£104m	Routine	Transaction in Own Shares
16 Dec	Watkin Jones WJG	£38m	Results	Final Results Full Year Results for the year ended 30 September 2025
16 Dec	Kelso Group Holdings KLSO	£19m	Fundraise	Upsizing of Placing and Subscription Kelso, the main market listed investment vehicle, today announces that the £1m Fundraising, announced at 4:35pm on 15 December 2025, is being upsized.
16 Dec	SThree STEM	£381m	Trading update	FY25 Full Year Trading Update SThree plc ("SThree" or the "Group"), the global STEM workforce consultancy, today issues a trading update for the financial year ended 30 November 2025.
16 Dec	Virgin Wines UK VINO	£12m	Routine	Transaction in Own Shares
16 Dec	Pets at Home Group PETS	£954m	Routine	Transaction in Own Shares
16 Dec	Conduit Holdings Limited Com Shs CRE	£636m	Routine	Transaction in Own Shares
16 Dec	Baltic Classifieds Group BCG	£830m	Routine	Transaction in Own Shares
16 Dec	Future FUTR	£275m	Routine	Transaction in Own Shares
16 Dec	Hunting HTG	£594m	Routine	Transaction in Own Shares
16 Dec	Quantum Data Energy PLC QDE	£5.8m		2025 A Remarkable Year in Review London, UK - Quantum Data Energy PLC (LSE: MAST) is pleased to announce an overview of the key progress and milestones achieved during 2025.
16 Dec	TMT Investments TMT	£75m	Routine	Transaction in Own Shares
16 Dec	Kier Group KIE	£1,293m	Routine	Transaction in Own Shares
16 Dec	Touchstar TST	£5.6m	Turnaround plan with targets	Trading Update Trading update for the year ending 31 December 2025 (FY25)
16 Dec	Jangada Mines JAN	£5.6m		Exercise of Warrants and Total Voting Rights Jangada Mines plc / EPIC: JAN.L / Market: AIM / Sector: Mining
16 Dec	Goodwin Plc GDWN	£1,069m	Disposal of a part (break-up)	Half-year Results for the half year ended 31st October 2025
16 Dec	Aptitude Software Group APTD	£123m	Routine	Transaction in Own Shares
16 Dec	DotDigital Group DOTD	£168m	Routine	Transaction in Own Shares