UK small-cap RNS · 23 Oct 2025

The key announcements of UK small & mid caps under £2bn on 23 Oct 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
23 Oct	Central Asia Metals CAML	£231m	Routine	Transaction in Own Shares
23 Oct	Nexus Infrastructure NEXS	£8.5m	Upgrade / downgrade cycle	FY25 Trading Update The housebuilding sector has seen a modest increase in activity over the last 12 months - but a sizeable gap is still to be bridged before the sector will achieve the levels of output required.
23 Oct	GB Group GBG	£354m	Routine	Transaction in Own Shares
23 Oct	Mercia Asset Management MERC	£128m	Routine	Transaction in Own Shares
23 Oct	Staffline Group STAF	£45m	Routine	Transaction in Own Shares and Total Voting Rights
23 Oct	Science Group SAG	£229m	Routine	Transaction in Own Shares
23 Oct	Caledonia Investments CLDN	£1,872m	Routine	Transaction in Own Shares
23 Oct	Trainline TRN	£710m	Routine	Transaction in Own Shares
23 Oct	Michelmersh Brick Holdings MBH	£66m	Routine	Transaction in Own Shares
23 Oct	Morgan Advanced Materials MGAM	£674m	Routine	Transaction in Own Shares
23 Oct	Chrysalis Investments Limited CHRY	£295m	Routine	Transaction in Own Shares
23 Oct	Mincon Group (CDI) MCON	£164m	Trading update	Q3 2025 Trading Update Dublin, London 23 October 2025: Mincon Group plc (Euronext:MIO; AIM:MCON), the Irish engineering group specialising in the design, manufacture, sale and servicing of rock drilling tools and associated consumable products, today provides a trading update for …
23 Oct	Macfarlane Group MACF	£124m	Routine	Transaction in Own Shares
23 Oct	Fevertree Drinks FEVR	£1,035m	Routine	Transaction in Own Shares
23 Oct	Kainos Group KNOS	£1,520m	Routine	Transaction in Own Shares
23 Oct	Galliford Try GFRD	£675m	Routine	Transaction in Own Shares
23 Oct	PayPoint PAY	£418m	Routine	Transaction in Own Shares
23 Oct	Hunting HTG	£585m	Turnaround plan with targets	Q3 2025 Trading Update · Group EBITDA of c.$100.5 million in the year to 30 September 2025 - up 15% year-on-year.
23 Oct	Johnson Service Group JSG	£508m	Routine	Transaction in Own Shares
23 Oct	Kier Group KIE	£1,303m	Routine	Transaction in Own Shares
23 Oct	Vistry Group VTY	£806m	Routine	Transaction in Own Shares
23 Oct	Ariana Resources AAU	£36m		Significant Dokwe Exploration Update Ariana Resources plc (AIM: AAU, ASX: AA2, "Ariana" or the "Company"), the mineral exploration, development and production company with gold project interests in Africa and Europe, is pleased to announce an exploration update for the 100% owned Dokwe Gold …
23 Oct	Vast Resources VAST	£62m	Fundraise	Placing to raise £2,000,000 Vast Resources plc / Ticker: VAST / Index: AIM / Sector: Mining
23 Oct	OSB Group OSB	£1,615m	Routine	OSB GROUP PLC - Transaction in Own Shares
23 Oct	Irish Continental Group Units (Comp) (CDI) ICGC	£991m	Routine	Transaction in Own Shares
23 Oct	Foresight Group Holdings Limited FSG	£506m	Routine	Transaction in Own Shares
23 Oct	Eurocell ECEL	£143m	Routine	Transaction in Own Shares
23 Oct	Impax Asset Management Group IPX	£110m	Routine	Transaction in Own Shares
23 Oct	Gaming Realms GMR	£79m	Routine	Transaction in Own Shares
23 Oct	Newmark Security PLC NWT	£9.1m	Disposal of a part (break-up)	AGM Statement Newmark Security plc (AIM: NWT), a leading provider of electronic and physical security systems, is holding its Annual General Meeting ("AGM") today at 10:00 am (UK).
23 Oct	Cerillion CER	£207m	Trading update	Full Year Trading Update Cerillion, the billing, charging and customer relationship management software solutions provider, is pleased to announce an update on trading for the financial year ended 30 September 2025.
23 Oct	Gem Diamonds Ltd. GEMD	£15m		Notification of Q3 2025 Trading Update Gem Diamonds Limited (LSE: GEMD) will be releasing a Trading Update on 30 October 2025 for the period 1 July 2025 to 30 September 2025.
23 Oct	Hilton Food Group HFG	£645m	Holding	Holding(s) in Company
23 Oct	Shield Therapeutics STX	£59m	Trading update	Q3 2025 Trading Update $13.1m net revenues and an average net selling price of $237
23 Oct	Immupharma IMM	£24m		Launch of Website; Corporate Update P140 is a first-in-class peptide-based therapy designed to address the root cause of autoimmune and inflammatory diseases.