UK small-cap RNS · 22 Sep 2026
The key announcements of UK small & mid caps under £2bn on 22 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 | |
|---|---|---|---|---|---|
| 22 Sep | Gran Tierra Energy Inc. (CDI) GTE | £283m | Balance-sheet stress / refinancing | Results of the Previously Announced Solicitation of Consents to Proposed Amendments to the Indenture Governing its Senior Secured Amortizing Notes due 2031
22, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. |
|
| 22 Sep | Boohoo Group DEBS | £393m | Insider conviction | Director/PDMR Shareholding | |
| 22 Sep | Nationwide Building Society Core Capital Deferred Shs (Min 250 CCDS) NBS | £1,140m | Capital return | Tender Offer - Maximum Acceptance Amount
(incorporated in England under the Building Societies Act 1986) |
|
| 22 Sep | Forterra FORT | £313m | Insider conviction | Director/PDMR Shareholding | |
| 22 Sep | Cambridge Nutritional Science CNSL | £4.2m | Overhang | Holding(s) in Company | |
| 22 Sep | Nostrum Oil & Gas NOG | £1.3m | Disposal of a part (break-up) | Consent Solicitation – Important Update
On 8 September 2026, Nostrum Oil & Gas Finance B.V. |
|
| 22 Sep | Forterra FORT | £313m | Insider conviction | Director/PDMR Shareholding
Forterra plc (the "Company") was notified on 17th of September 2026 that on the same day Gavin Hill, Non-Executive Director, purchased 28,944 Ordinary Shares in the Company at a price of £1.383. |
|
| 22 Sep | Quantum Helium Limited QHE | £7.2m | Project milestones | Operational and Commercial Update
Larger-volume treatment being modelled as Company progresses wider Colorado drilling strategy |
|
| 22 Sep | The Mission Group TMG | £22m | Turnaround plan with targets | Chair Succession
MISSION Group plc (AIM:TMG) (“MISSION” or “the Group”), a collective of sector-leading Creative, Sports and MarTech Agencies, announces that the Group’s Non-Executive Chair, David Morgan MBE, has notified the Board of his intention to step down from the Board … |
|
| 22 Sep | KEFI Gold and Copper KEFI | £95m | Project milestones | Updated Company Presentation
KEFI Gold and Copper (AIM: KEFI), the exploration and development company focused on gold and copper projects in the Federal Democratic Republic of Ethiopia and the Kingdom of Saudi Arabia, is pleased to advise that an updated Company presentation has been … |
|
| 22 Sep | Asiamet Resources Limited ARS | £9.6m | Capital return | Special Dividend – GBP/USD Exchange Rate
Asiamet Resources Limited (AIM: ARS) refers to the Company announcement dated 9 September 2026 regarding the payment of a special cash dividend (the "Special Dividend") to be distributed to shareholders in Great British Pounds (GBP). |
|
| 22 Sep | Portmeirion Group PMP | £24m | New CEO / reset | Directorate Change
Portmeirion Group PLC, the global homeware brands group, announces the appointment of Adrian Wilding as interim CFO. |
|
| 22 Sep | Oxford Biomedica OXB | £616m | Upgrade / downgrade cycle | Half-year Results
Strong commercial momentum and expanding global CDMO capacity continues to support long-term revenue and profitability ambitions; Guidance reiterated |
|
| 22 Sep | PureTech Health PRTC | £279m | Capital return | Half-year Results
Delivered significant progress across the portfolio, including Seaport's Nasdaq IPO, Celea's financing and Phase 3 trial initiation, and Gallop's positive Phase 1b data, successful End-of-Phase 1 meeting with the U.S. |
|
| 22 Sep | Microlise Group SAAS | £78m | Turnaround plan with targets | Half-year Results
Interim Results for the Six Months to 30 June 2026 |
|
| 22 Sep | Henry Boot BOOT | £202m | New CEO / reset | Half-year Results
Focused on realising value created in land bank while continuing to build long-term worth |
|
| 22 Sep | M&C Saatchi SAA | £137m | New CEO / reset | Half-year Results
Interim Results for the period ended 30 June 2026 |
|
| 22 Sep | Tap Global Group Plc TAP | £8.4m | Balance-sheet stress / refinancing | Result of Placing
Tap Global Group plc (AIM: TAP), the innovative digital finance hub that brings money, payments and crypto settlement services together in a single user-friendly app, is pleased to announce that, further to the announcement published on 18 September 2026 … |
|
| 22 Sep | SkinBioTherapeutics SBTX | £16m | New CEO / reset | Trading Statement
22 September 2026 – SkinBioTherapeutics plc, (AIM: SBTX), the life science business focused on skin health announces that both the former interim CEO, Rachel Parsonage and former acting Chair, Alyson Levett have agreed to make their roles permanent. |
|
| 22 Sep | The Mission Group TMG | £22m | Turnaround plan with targets | Half-year Results
Strategic delivery driving significant profit growth and positive outlook |
|
| 22 Sep | Diaceutics DXRX | £173m | Upgrade / downgrade cycle | Half-year Results
Interim Results for the six months ended 30 June 2026 |
|
| 22 Sep | Midwich Group MIDW | £172m | Upgrade / downgrade cycle | Half-year Results
Interim results for the six months ended 30 June 2026 |
|
| 22 Sep | Oriole Resources ORR | £13m | Project milestones | Half-year Results
(“Oriole Resources”, “Oriole”, the “Company” or the “Group”) |