UK small-cap RNS · 23 Sep 2026
The key announcements of UK small & mid caps under £2bn on 23 Sep 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 | |
|---|---|---|---|---|---|
| 23 Sep | Gran Tierra Energy Inc. (CDI) GTE | £306m | Disposal of a part (break-up) | Filing of Definitive Proxy Statement for Special Meeting of Stockholders to Consider Approval of Sale of Colombian and Ecuadorian Businesses
23, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. |
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| 23 Sep | Cambridge Nutritional Science CNSL | £3.7m | Overhang | Holding(s) in Company | |
| 23 Sep | Ashtead Technology Holdings AT. | £489m | Takeover target | Statement re Possible Offer
The Board of Ashtead Technology Holdings plc ("Ashtead Technology" or the “Company”) notes the recent press speculation and confirms that it has received an unsolicited and non-binding indicative proposal from Ember Infrastructure Management, LP (“Ember”) (on … |
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| 23 Sep | Palace Capital PCA | £30m | Activist campaign | Holding(s) in Company | |
| 23 Sep | Palace Capital PCA | £30m | Insider conviction | PDMR/PCA Dealing
Palace Capital (LSE: PCA) announces the sale of ordinary shares of 10 pence each in the Company ("Shares") from Lakestreet Capital Partners AG ("Lakestreet Capital") to Lakestreet Trading AG ("Lakestreet Trading"). |
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| 23 Sep | B.P. Marsh & Partners BPM | £245m | Insider conviction | PDMR - Correction
The following amendments have been made to the ‘PDMR and Director Dealings' announcement released on 24 April 2025 at 09:59:36 under RNS No 0494G (“Announcement”). |
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| 23 Sep | System1 Group SYS1 | £43m | Takeover target | Annual General Meeting arrangements
System1 www.system1group.com, the marketing decision-making platform, announces that, while it remains in an offer period, no questions or statements will be taken from the floor at the Annual General Meeting to be held on 25 September 2026. |
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| 23 Sep | Pollen Street POLN | £547m | Sale process / strategic review | Announcement regarding media speculation
Pollen Street Group Limited ("Pollen Street" or the "Company") notes the recent media speculation relating to it. |
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| 23 Sep | Judges Scientific JDG | £228m | Upgrade / downgrade cycle | Directorate Change
Judges Scientific, the group focused on acquiring and developing companies in the scientific instrument sector, announces that Brad Ormsby has advised the Board of his intention to step down from his role as Chief Financial Officer and as a Director of the … |
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| 23 Sep | Intercede Group IGP | £85m | Insider conviction | Director/PDMR Shareholding | |
| 23 Sep | Trufin TRU | £54m | Insider conviction | Director/PDMR Shareholding | |
| 23 Sep | Nexus Infrastructure NEXS | £8.5m | Upgrade / downgrade cycle | Pre-close Trading update and Board change
Nexus Infrastructure plc (AIM: NEXS), a leading provider of essential infrastructure solutions, announces a pre-close update on trading for the year ended 30 September 2026 ("FY26") and change to the Board. |
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| 23 Sep | Pharos Energy PHAR | £121m | Disposal of a part (break-up) | 2026 Interim Results
(“Pharos” or the “Company” or, together with its subsidiaries, the “Group”) |
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| 23 Sep | Boku, Inc BOKU | £382m | Upgrade / downgrade cycle | Half-year Results
("Boku" or the "Company" and, together with its subsidiaries, the "Group") |
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| 23 Sep | Zinc Media Group ZIN | £13m | Upgrade / downgrade cycle | Half-year Results
Interim results for the six months ended 30 June 2026 |
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| 23 Sep | Shuka Minerals SKA | £6.2m | Project milestones | Kabwe Drilling (“KBDD01-05”) Results
ALS Laboratories Confirm Scale and High-Grade Drilling Results at Pit 2 of the Kabwe Project |
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| 23 Sep | Tungsten West TUN | £548m | Transformational contract / build-out | Strategic Tungsten Supply and Offtake Agreement
Strategic Tungsten Supply and Offtake Agreement with The Elmet Group |
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| 23 Sep | Petrotal Corporation PTAL | £288m | Project milestones | Bretana Development Drilling Resumes
PetroTal Resumes Bretana Development Drilling, Spuds Well 25H Ahead of Schedule |
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| 23 Sep | Aminex (CDI) AEX | £78m | Project milestones | Ntorya Operations Update
Aminex is pleased to provide an operational update on the Ntorya gas development. |
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| 23 Sep | Lexington Gold Ltd LEX | £10m | Disposal of a part (break-up) | Half-year Results
Interim Consolidated Results for the half-year ended 30 June 2026 |
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| 23 Sep | Kavango Resources KAV | £28m | Large acquisition / reverse takeover | Unaudited Interim Results
Kavango Resources plc (LSE: KAV, VFEX: KAV.VX), the Southern Africa focused metals exploration and development company is pleased to announce its unaudited financial results for the six months ended 30 June 2026 (“H1”). |
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| 23 Sep | Portmeirion Group PMP | £24m | Disposal of a part (break-up) | Half-year Results
Interim results for the six months ended 30 June 2026 |
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| 23 Sep | Ceres Power Holdings CWR | £550m | Transformational contract / build-out | Half-year Results
CWR.L 23 September 2026 Ceres Power Holdings plc Interim results for the six months ended 30 June 2026 Ceres Power Holdings plc ("Ceres", the "Company") (CWR.L), a leading developer of clean energy technology, announces its results for the six-month period … |
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| 23 Sep | Ampeak Energy Limited AMP | £12m | Balance-sheet stress / refinancing | Half-year Results
Ampeak Energy announces its unaudited interim results for the six months ended 30 June 2026. |
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| 23 Sep | Judges Scientific JDG | £228m | Upgrade / downgrade cycle | Half-year Results
Interim results for the six months ended 30 June 2026 |
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| 23 Sep | KRM22 KRM | £20m | Upgrade / downgrade cycle | New Customer Contract
The contract, with a value of £0.9m split equally over three years, is with a major software vendor in the capital markets industry. |