Sareum Holdings PlcLSE: SAR

Capital Access Window

· Issued by Sareum Holdings Plc
Sareum Holdings PLC
08 October 2026
 

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THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR THE PURPOSES OF THE MARKET ABUSE REGULATION (EU) 596 / 2014 WHICH FORMS PART OF UK LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018 (AS AMENDED) ("MAR").

FOR IMMEDIATE RELEASE

Sareum Holdings plc

(“Sareum” or the “Company”) 

Capital Access Window

Cambridge, UK, 8 October 2026 - Sareum Holdings plc (AIM: SAR), a clinical-stage biotechnology company developing next-generation kinase inhibitors for autoimmune disease and cancer, today, announces its intention to utilise AIM's new Capital Access Window rule in connection with a proposed equity capital raise (the "Proposed Fundraise").

Intention to undertake an equity capital raise

The Company is undertaking the Proposed Fundraise to provide funding to advance the Company’s lead clinical programme, SDC-1801, towards its next key clinical inflection point.

Capital Access Window

Following the updates to the AIM Rules for Companies announced in August 2026, to support the Proposed Fundraise, the Company will enter a Capital Access Window with effect from 7.30am BST today. This is a voluntary temporary pause in the trading of the Company's shares on AIM to make it easier to reach a broader range of investors, and to provide pricing stability during a fundraise. The Capital Access Window will remain in place until a further announcement is made detailing the results of the Proposed Fundraise.

 This announcement does not constitute an offer of securities in any jurisdiction. The Proposed Fundraise, if implemented, will be the subject of further announcements, which will include the material terms and conditions of the Proposed Fundraise.

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For Further Information:

Sareum Holdings plc

Stephen Parker, Executive Chairman

01223 497700

ir@sareum.co.uk

Strand Hanson Limited (Nominated Adviser)

James Dance / James Bellman

Singer Capital Markets (Joint Corporate Broker) 

Russell Cook/ Patrick Weaver

020 7409 3494

020 7496 3000

Oberon Capital (Joint Corporate Broker)

Mike Seabrook / Nick Lovering

020 3179 5300

ICR Healthcare (Financial PR)

Jessica Hodgson / Lisa Lam / Tom Daniel

020 3709 5700

About Sareum

Sareum (AIM: SAR) is a biotechnology company developing next generation kinase inhibitors for autoimmune disease and cancer.

The Company is focused on developing next generation small molecules which modify the activity of the JAK kinase family and have best-in-class potential. Its lead candidate, SDC-1801, simultaneously inhibits TYK2 and JAK1. SDC-1801 is a potential treatment for a range of autoimmune diseases, with a planned initial focus on psoriasis.

Sareum is also developing SDC-1802, a TYK2/JAK1 inhibitor with a potential application for certain haematological cancers and has recently initiated a preclinical programme to develop TYK2/JAK1 inhibitors for neuroinflammatory diseases such as multiple sclerosis and Parkinson's disease

The Company holds the license for SRA737, a clinical-stage Checkpoint kinase 1 inhibitor that targets cancer cell replication and DNA damage repair mechanisms.

Sareum Holdings plc is based in Cambridge, UK, and is quoted on the AIM market of the London Stock Exchange, trading under the ticker SAR. For further information, please visit the Company’s website at www.sareum.com

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