Every announcement, as it lands

All regulatory news from UK small & mid caps under £2bn. Key announcements first – the ones that are part of a special situation are marked and unfold in place.

Today 7 days 30 days

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

Date	Company	Mcap ↕	Type	Announcement
17 Sep	ATOME Energy ATOM	£16m		Notice of Dispute & Arbitration Intent Notice of Dispute and Intent to Submit Claim to Arbitration under the UK – Paraguay Bilateral Investment Treaty (“the Treaty” or “BIT”)
17 Sep	Tertiary Minerals TYM	£4.5m		Mushima North - Highest-grade Ag-Cu intersection Highest grade silver-copper intersection to date at the Discovery Zone, Mushima North: 82m at 107 g/t silver equivalent from 8m depth and ending in mineralisation
17 Sep	Guardian Metal Resources plc GMET	£228m	Results	Financial Results for the Year Ended 30 June 2026 Guardian Metal Resources plc (NYSE.A: GMTL, LON: GMET, OTCQB: GMTLF), a strategic exploration and development company focused on tungsten in Nevada, USA, is pleased to announce its consolidated audited results for the year ended 30 June 2026, for the Company …
17 Sep	B.P. Marsh & Partners BPM	£232m		Purchase of Own Shares and Total Voting Rights In accordance with the Company's Share Buyback programme, as outlined in its announcement on 15 July 2026, B.P.
17 Sep	iFOREX Financial Trading Holdings Ltd. IFRX	£32m	Warnings & stress	Interim Results Update Update to H1 2026 EBITDA; full year expectations unchanged
	Warnings & stress H1 2026 Adjusted EBITDA revised down to $1.4m from $2.4m expected, but full year guidance unchanged. More warnings & stress on Catalysts →
17 Sep	Strip Tinning Holdings STG	£4.3m	Results	Half-year Results On track to deliver FY26 Adjusted EBITDA profitability
17 Sep	Mercia Asset Management MERC	£128m	Routine	Transaction in Own Shares
17 Sep	Gaming Realms GMR	£82m	Routine	Transaction in Own Shares
17 Sep	Kelso Group Holdings KLSO	£19m	Fundraise	Result of Placing & Retail Offer Extension Further to the announcement published at 7:00am on 10 September 2026 (the “Launch Announcement”), Kelso, the main market listed acquisition vehicle, is pleased to announce that it has closed the Placing.
17 Sep	Supreme SUP	£160m	Trading update	AGM Trading Statement - Supreme continues to trade in line with expectations for FY27
17 Sep	GreenRoc Strategic Materials Plc GROC	£11m		Climate Change Impact Assessment GreenRoc Strategic Materials Plc / EPIC: GROC / Market: AIM / Sector: Mining
17 Sep	EnergyPathways plc EPP	£19m		Collaboration Agreement with Hycamite MESH's hydrogen & graphite production plant advances with Hycamite Agreement
17 Sep	Revolution Beauty Group REVB	£40m		Half year trading update & Notice of results Revolution Beauty Group plc (AIM: REVB), the multi-channel mass beauty brand, is very pleased to announce a successful first half of FY27 as its turnaround strategy gathers pace.
17 Sep	Arrow Exploration Corp. (Cdi) AXL	£103m		Arrow Provides Mid Year 2026 Reserves Update CALGARY, September 17, 2026 – Arrow Exploration Corp.
17 Sep	Galliford Try GFRD	£675m	Capital returns	Final Results · 3.0% increase in revenue to £1,931.1m (2025: £1,875.2m), driven by strong performance in Highways and a successful transition to AMP8 in Environment. · 24.2% increase in adjusted profit before tax to £55.9m (2025: £45.0m), driven by increased volumes, …
17 Sep	Billington Holdings BILN	£58m		Contract Wins & Notice of Results Billington Holdings Plc (AIM: BILN), one of the UK's leading structural steel and construction safety solutions specialists, is pleased to announce two further significant contract wins for data centre projects with an expected combined value of circa £42 …
17 Sep	The Beauty Tech Group PLC TBTG	£458m	Results	Half-year Results Technology leadership and brand strength underpin another period of strong revenue growth and margin expansion.
17 Sep	Landore Resources Limited LND	£5.8m	Results	Half-year Results Unaudited Interim Consolidated Results for the Six Months Ended 30 June 2026
17 Sep	Wizz Air Holdings WIZZ	£1,049m		Wizz Air Capital Markets Day London, 17 September 2026: Wizz Air Holdings Plc ("Wizz Air") will be holding a Capital Markets Day in London today for Institutional Investors and Sell-Side Analysts, starting at 2pm BST.
17 Sep	Acg Acquisition Company Limited Cls A ACG	£449m		Material Uplift in Gediktepe NPV to US$1.2bn ACG Metals Limited ("ACG" or the "Company") announces updated Mineral Resource and Ore Reserve estimates and the publication of an updated Competent Person's Report for its Gediktepe mine (the "2026 CPR").
17 Sep	CEPS CEPS	£8.2m	Disposals	Half-year Results The Board is pleased to announce its unaudited half-yearly report for the six months ended 30 June 2026.
	Disposals H1 2026 results show £10.9m profit after £11.1m exceptional gain from ICA Group sale in March; underlying performance modest. More disposals on Catalysts →
17 Sep	IWG IWG	£1,725m	Routine	Transaction in Own Shares
17 Sep	SThree STEM	£373m	Routine	Transaction in Own Shares & Rule 2.9 Announcement
17 Sep	Anglo-Eastern Plantations AEP	£747m	Routine	Transaction in Own Shares
17 Sep	Fadel Partners Inc FADL	£4.9m	Results	Half-year Results ('FADEL', the 'Company' or, together with its subsidiaries, the 'Group')
17 Sep	AB Dynamics ABDP	£185m	Trading update	Pre-close Trading Update AB Dynamics plc (AIM: ABDP, the 'Company', or the 'Group'), the designer, manufacturer and supplier of advanced testing, simulation and measurement products and services to the global transport market, is pleased to provide a trading update in respect of the …
17 Sep	EDX Medical Group Plc EDX	£34m	Large orders	Employee health contract with Arnold Clark Group The Arnold Clark Group employs 11,600 people across 200 locations in the UK.
17 Sep	Somero Enterprises Inc. SOM	£136m	Routine	Transaction in Own Shares and Total Voting Rights
17 Sep	Greencoat Renewables (CDI) GRP	£719m	Routine	Transaction in Own Shares
17 Sep	Shoe Zone SHOE	£34m	Routine	Transaction in Own Shares
17 Sep	Faron Pharmaceuticals Oy FARN	£74m	Holding	Holding(s) In Company
17 Sep	Diversified Energy Company DEC	£732m		Q1 2026 Dividend Exchange Rate - Corrected 17, 2026 (GLOBE NEWSWIRE) -- Diversified Energy Company (NYSE:DEC; LSE:DEC) announced on May 6, 2026, a dividend in respect of the first quarter ended March 31, 2026, in the amount of 29 cents per share (the “Q1 2026 Dividend”).
17 Sep	Bytes Technology Group BYIT	£1,043m	Trading update	Half Year Trading Update Bytes Technology Group, one of the UK and Ireland's leading software, security, AI and cloud services specialists, is pleased to provide the following update on trading for its financial half year ended 31 August 2026 ("H1 FY27").
17 Sep	Caledonia Investments CLDN	£1,957m	Routine	Transaction in Own Shares
17 Sep	Mindflair MFAI	£1.7m	Results	Half-year Results Unaudited interim results for the six months ended 30 June 2026
17 Sep	Globaldata DATA	£388m	Routine	Transaction in Own Shares
17 Sep	OptiBiotix Health OPTI	£6.1m	Results	Half-year Results OptiBiotix Health plc (AIM: OPTI), a life sciences business developing products which reduce hunger and food cravings, enhance the gut microbiome, and sweet fibres as healthy sugar substitute announces its unaudited results for the six months ended 30 June …
17 Sep	Clean Power Hydrogen CPH2	£11m	Routine	Issue of Equity
17 Sep	Windar Photonics WPHO	£8.5m	Fundraise	Result of Retail Offer & Total Voting Rights Each Retail Offer Share carries an entitlement to one warrant for every Retail Offer Share subscribed.
17 Sep	Winking Studios Limited WKS	£61m	Routine	Transaction in Own Shares
17 Sep	Atlantic Lithium Limited ALL	£108m	Takeover targets	Scheme Update - FIRB Approval received FIRB approval received for Huayou's acquisition of Atlantic
	Takeover targets FIRB approval received for Huayou's acquisition of Atlantic Lithium by scheme of arrangement. More takeover targets on Catalysts →
16 Sep	Pulsar Helium Inc PLSR	£116m	Holding	Holding(s) in Company
16 Sep	SSP Group SSPG	£1,353m	Director dealing	Director/PDMR Shareholding
16 Sep	Pennpetro Energy PPP	£11m		Shareholder Call Presentation Pennpetro Energy Plc (LSE: PPP), the company focused on developing strategic energy projects, announces the publication of a presentation on the Company’s website ahead of today’s shareholder call with management at 18.30-19.30 UK time.
16 Sep	Galantas Gold Corp. GAL	£214m		Exercise of Warrants Application will be made to the London Stock Exchange for the 10,000 new ordinary shares to be admitted to trading on AIM ("Admission").
16 Sep	Evoke EVOK	£190m	Holding	Holding(s) in Company
16 Sep	IWG IWG	£1,725m	Routine	TR-1: Standard form-notification of major holdings
16 Sep	Tribal Group TRB	£219m	Routine	Posting of Circular and Notice of General Meeting
16 Sep	Distribution Finance Capital Holdings DFCH	£120m	Holding	Holding(s) in Company
16 Sep	Hays HAS	£1,011m	Director dealing	Director/PDMR Shareholding
16 Sep	Distribution Finance Capital Holdings DFCH	£120m	Holding	Holding(s) in Company
16 Sep	Vistry Group VTY	£696m	Director dealing	Director/PDMR Shareholding
16 Sep	East Star Resources EST	£48m	Holding	Holding(s) in Company
16 Sep	Mantle Resilience Plc MNTL	£12m	Holding	Holding(s) in Company
16 Sep	Forterra FORT	£290m	Routine	Employee Benefit Trust Share Purchase
16 Sep	Elementis ELM	£1,030m	Director dealing	Director/PDMR Shareholding
16 Sep	Cropper (James) CRPR	£65m	Holding	Holding(s) in Company
16 Sep	Kromek Group KMK	£38m		Notice of Investor Webinar Kromek Group plc (AIM: KMK), a global detection company delivering best-in-class solutions for the advanced imaging and CBRN detection markets, announces that Arnab Basu, CEO, and Claire Burgess, CFO, will be hosting an online Q&A session for investors at …
16 Sep	SThree STEM	£373m	Routine	Form 8.3 - SThree plc
16 Sep	Uniphar (CDI) UPR	£893m	Holding	Holding(s) in Company
16 Sep	Ramsdens Holdings RFX	£206m	Routine	Form 8.3 - Ramsdens Holdings plc
16 Sep	Irish Continental Group Units (Comp) (CDI) ICGC	£1,002m	Routine	Form 8.3 - Irish Continental Group plc
16 Sep	Ramsdens Holdings RFX	£206m	Routine	Form 8.3 - Ramsdens Holdings plc
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.3 - Gooch & Housego plc
16 Sep	SThree STEM	£373m	Routine	Form 8.3 - SThree plc
16 Sep	Ramsdens Holdings RFX	£206m	Routine	Form 8.3 - Ramsdens Holdings plc
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.3 - Gooch & Housego plc
16 Sep	Trustpilot Group TRST	£953m	Director dealing	Director/PDMR Shareholding
16 Sep	SThree STEM	£373m	Routine	Form 8.3 - SThree plc
16 Sep	Ashmore Group ASHM	£1,433m	Results	Annual Report Ashmore Group plc (the "Company") announces that in accordance with UK Listing Rule 6.4.1, a copy of the 2026 Annual Report and Accounts (the "Annual Report") has been submitted to the FCA and will shortly be available for inspection via the National Storage …
16 Sep	Renalytix RENX	£36m	Holding	Holding(s) in Company
16 Sep	Kainos Group KNOS	£1,427m		Board and Board Committee Changes Kainos Group plc (KNOS), a UK-headquartered IT provider with expertise across three divisions, Digital Services, Workday Services, and Workday Products, today announces that Shruthi Chindalur, independent Non-Executive Director, has been appointed interim …
16 Sep	Renalytix RENX	£36m	Activists	Holding(s) in Company
16 Sep	Supermarket Income Reit SUPR	£1,102m	Director dealing	Director/PDMR Shareholding
16 Sep	Dunelm Group DNLM	£1,612m	Director dealing	Director/PDMR Shareholding
16 Sep	Dr. Martens DOCS	£651m	Director dealing	Director/PDMR Shareholding
16 Sep	Ashmore Group ASHM	£1,433m	Director dealing	Director/PDMR Shareholding
16 Sep	Optima Health OPT	£269m	Holding	Holding(s) in Company
16 Sep	Microsalt SALT	£15m	Routine	Publication of Circular and Notice of GM
16 Sep	Transense Technologies TRT	£7.0m	Holding	Holding(s) in Company
16 Sep	Kooth KOO	£67m	Holding	Holding(s) in Company
16 Sep	Genus GNS	£1,490m	Director dealing	Director/PDMR Shareholding
16 Sep	Reabold Resources RBD	£9.4m	Takeover targets	Disclosure under Rule 2.10(a) Disclosure under Rule 2.10(a) of the Takeover Code re Additional Letter of Intent in respect of the Rejected All-Share Offer for Union Jack by Reabold
	Takeover targets Reabold publishes video for Union Jack shareholders regarding recommended all-share offer. More takeover targets on Catalysts →
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.3 - Gooch & Housego plc
16 Sep	RentGuarantor Holdings PLC RGG	£182m	Holding	Holding(s) in Company
16 Sep	Netcall NET	£216m	Holding	Holding(s) in Company
16 Sep	The Pebble Group PEBB	£78m	Holding	Holding(s) in Company
16 Sep	Getbusy GETB	£42m	Holding	Holding(s) in Company
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.3 - Gooch & Housego plc
16 Sep	SThree STEM	£373m	Routine	Form 8.3 - Sthree plc
16 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,383m	Routine	Form 8.3 - Permanent TSB Group Holdings plc
16 Sep	Moonpig Group MOON	£828m	Routine	Result of AGM
16 Sep	SThree STEM	£373m	Routine	Form 8.5 - Sthree plc
16 Sep	Gear4music (Holdings) G4M	£51m	Holding	Holding(s) in Company
16 Sep	BTG Consulting plc BTG	£181m	Routine	Result of AGM
16 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,383m	Routine	Form 38.5(a) - Permanent TSB Group
16 Sep	TPXimpact Holdings TPX	£77m	Routine	Exercise of Options & Total Voting Rights
16 Sep	First Development Resources Plc FDR	£2.3m	Holding	Holding(s) in Company
16 Sep	C&C Group (CDI) CCR	£350m	Director dealing	Director/PDMR Shareholding
16 Sep	SThree STEM	£373m	Routine	Form 8.5 - Sthree plc
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.5 - Gooch & Housego plc
16 Sep	Staffline Group STAF	£46m	Insider buying	Director/PDMR Shareholding
	Insider buying Henry Spain Investment Services Limited (PCA of Thomas Spain, Non-Executive Director and Chairman) bought shares worth £98,159 More insider buying on Catalysts →
16 Sep	Renalytix RENX	£36m	Board change	Additional CEO Share Purchase ADS consist of 50 Ordinary Shares of £0.0025 each.
16 Sep	Getbusy GETB	£42m	Holding	Holding(s) in Company
16 Sep	SThree STEM	£373m	Routine	Form 8.3 - SThree plc
16 Sep	Christie Group CTG	£46m		Christie & Co launches Retail Market Review 2026 Annual review highlights buyer demand continuing to outstrip supply across UK convenience store and forecourt markets
16 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,383m	Routine	Form 38.5(a) - Permanent TSB Group Holdings plc
16 Sep	Pennon Group PNN	£1,684m		Strategic Update Pennon Group Plc announces that a Strategic Update will be hosted by CEO, Keith Haslett and CFO, Laura Flowerdew on 7th October 2026 at 9:00am to be followed by a live Q&A session.
16 Sep	Distribution Finance Capital Holdings DFCH	£120m	Holding	Holding(s) in Company
16 Sep	Costain Group COST	£630m	Routine	Transaction in Own Shares
16 Sep	Springfield Properties SPR	£133m		Launch of Share Buyback Programme Springfield Properties plc (AIM: SPR), a leading housebuilder in Scotland, announces that the Board has approved a share buyback programme of up to 5,957,372 ordinary shares of 0.125 pence each (“Ordinary Shares”) in the capital of the Company (the “Buyback …
16 Sep	Ramsdens Holdings RFX	£206m	Routine	Form 8.3 - Ramsdens Holdings plc
16 Sep	React Group REAT	£9.8m	Director dealing	Director/PDMR Shareholding
16 Sep	Glenveagh Properties (CDI) GLV	£1,001m	Holding	Holding(s) in Company
16 Sep	Permanent TSB Group Holdings (CDI) PTSB	£1,383m	Routine	Form 38.5(a)
16 Sep	SThree STEM	£373m	Routine	Form 8.5 - SThree plc
16 Sep	Elementis ELM	£1,030m		Appointment of Senior Independent Director Elementis plc ("Elementis" or the "Group") is pleased to announce the appointment of Christine Soden as Senior Independent Director with immediate effect.
16 Sep	Ibstock IBST	£305m	Holding	Holding(s) in Company
16 Sep	Gooch & Housego GHH	£335m	Routine	Form 8.5 - Gooch & Housego plc
16 Sep	Clarkson CKN	£1,661m	Board change	Directorate Change Pursuant to the announcement made on 16 September 2025, the Company confirms that Jeff Woyda, CFO & COO, ceased to be a Director of the Company yesterday.
16 Sep	Zenith Energy LTD.Com Shs ZEN	£32m		Strong Growth in Italian Energy Cash Generation Comparisons are with the corresponding eight months of 2025.
16 Sep	Empyrean Energy EME	£4.3m		Capital Access Window - Empyrean Energy Plc If you have any queries relating to the above, please contact the Company's nominated adviser on +44 (0) 207 220 0500.
16 Sep	NCC Group NCC	£232m	Routine	Transaction in Own Shares
16 Sep	Seed Capital Solutions SCSP	£1.4m		Notice of Additional GM Seed Capital Solutions plc announces that in addition to the General Meeting ("GM") of the members of the Company to be held at 10.00hrs (BST) on 17 September 2026 at the office of Axis Capital Markets Ltd, 73 Watling St, London, EC4M 9BJ, a further General …
16 Sep	Proteome Sciences PRM	£4.8m	Board change	Appointment of Non-Executive Director Proteome Sciences plc (AIM:PRM) is pleased to announce the appointment of Helen Spice FCA as an independent non-executive director of the Company, with immediate effect.
16 Sep	Cairn Homes (CDI) CRN	£1,366m	Routine	Transaction in Own Shares
16 Sep	Prospex Energy PXEN	£24m		IMC Presentation on San & Dunajec Licences, Poland Prospex Energy plc / Index: AIM / Epic: PXEN / Sector: Oil and Gas
16 Sep	Empire Metals Limited EEE	£254m		Partnership with CMCI CRC Empire Metals Limited / LON: EEE, OTCQX: EPMLF / Sector: Natural Resources
16 Sep	Bow Street Group PLC BOW	£8.4m		Notice of Investor Presentation ("Bow Street Group", the "Group" or the “Company”)
16 Sep	Tern TERN	£8.9m		Talking Medicines New DrugVoice Application Tern Plc (AIM:TERN), the company focused on value creation from Internet of Things ("IoT") technology businesses, is pleased to note that Talking Medicines Limited ("Talking Medicines"), a company in which Tern currently holds 23.8% of the equity, has today …
16 Sep	Mindflair MFAI	£1.7m		Disseqt wins KPMG Tech Innovator Ireland 2026 Mindflair plc, the AIM-quoted company focused on investing in Artificial Intelligence ("AI") related technology, is pleased to announce that Disseqt AI Limited ("Disseqt"), a portfolio company of Mindflair, held within Sure Valley Ventures' ("SVV") third fund …
16 Sep	Great Portland Estates GPE	£1,223m		GPE celebrates topping out at The Courtyard, WC1 Great Portland Estates plc (GPE) has celebrated the topping out of The Courtyard, marking structural completion of its latest Fully Managed building, alongside partners including Mace and Deconstruct UK.
16 Sep	Blencowe Resources BRES	£31m		Governance and Compliance Update Blencowe Resources plc (LSE:BRES) announces, further to the Company's announcement of 14 September 2026, a governance and compliance update.
16 Sep	GreenX Metals Limited GRX	£161m		Date of Annual General Meeting GreenX Metals Limited (GreenX or the Company) advises, in accordance with ASX Listing Rule 3.13.1, that the Company's Annual General Meeting (AGM) will be held on Wednesday, 11 November 2026.
16 Sep	Aterian ATN	£4.6m	Fundraise	Eastinco Fundraise to Trial Tungsten Trading Aterian plc (LSE: ATN), the African-focused critical and strategic metals company, is pleased to announce that its wholly owned Rwandan subsidiary, Eastinco Limited ("Eastinco"), has commenced a trial for the trading of tungsten ore and concentrates, commonly …
16 Sep	On The Beach Group OTB	£240m		Notice of Pre-Close Trading Update & Final Results On the Beach will provide an update on trading for the 12 months ending 30 September 2026 on Thursday 24 September 2026.
16 Sep	Helix Exploration HEX	£74m		Rudyard – Ollie #1 Well Spud Helix Exploration PLC (AIM: HEX, OTCQB: HEXFF), the US-focused helium production and liquefaction company, is pleased to announce that the Ollie #1 well was spudded on 14 September 2026.
16 Sep	Craneware CRW	£377m	Routine	Notice of Results and Presentations
16 Sep	AdvancedAdvT Limited ADVT	£245m	Trading update	Share Buyback Programme Renewal and Trading Update The Board of AdvancedAdvT Limited (AIM: ADVT) (the "Company") today announces the launch of a further share buyback programme (the "New Buyback Programme") to purchase up to £10 million of the Company's ordinary shares of no par value ("Ordinary Shares"), …
16 Sep	Rockhopper Exploration RKH	£534m	Results	Results of Open Offer and Total Voting Rights Rockhopper Exploration plc (AIM: RKH), the oil and gas company with key interests in the North Falkland Basin, announces the results of its Open Offer to Qualifying Shareholders, itself announced on 27 August 2026 and which, in accordance with its terms, …
16 Sep	Quadrise QED	£19m		Valkor update Quadrise Plc (AIM:QED), the manufacturer of lower cost, lower emission, replacement fuels and biofuels for shipping and heavy industry, provides an update on its project with Valkor Technologies LLC ("Valkor") in Utah, USA.
16 Sep	Transense Technologies TRT	£7.0m	Routine	Notice of Results
16 Sep	Ilika IKA	£41m		Appointment of Defence Advisor to Ilika Appointment of Maj Gen (Retd) Robin Anderton-Brown as Strategic Defence Sector Advisor
16 Sep	Cobra Resources COBR	£33m		High REE Recoveries at Reduced Lixiviant Levels High REE Recoveries at Reduced Ammonium Sulphate Concentrations
16 Sep	THG THG	£432m	Holding	Holding(s) in Company
16 Sep	Hilton Food Group HFG	£642m	Director dealing	Director/PDMR Shareholding
16 Sep	Crimson Tide TIDE	£6.4m	Insider buying	Director/PDMR Shareholding
16 Sep	Ferrexpo FXPO	£331m	Holding	Holding(s) in Company
16 Sep	Caledonia Investments CLDN	£1,957m	Board change	Appointment of non-executive director Caledonia Investments plc ("Caledonia" or the "Company") is pleased to announce the appointment of Alastair Vere Nicoll as a non-executive director with effect from 15 September 2026.
16 Sep	The Artisanal Spirits Company ART	£17m	Results	Half-year Results Interim Results for the Six Months to 30 June 2026