4basebio

4BB · AIM · Health Care · mcap £85m · 562.5p

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Directors

purchase 4basebio PLC announced that on February 10, 2026, Non-executive Directors Dr. Heikki Lanckriet and Mr. Hansjörg Plaggemars acquired 3,000 ordinary shares at 575.82 pence each and 1,000 ordinary shares at 585.00 pence eac 11 Feb 2026

purchase 4basebio PLC announced that its Chief Executive Officer, Dr. Amy Walker, acquired 2,650 ordinary shares on February 13, 2026, for an aggregated purchase price of 586.08 pence per share. This transaction increases her tot 16 Feb 2026

purchase 4basebio PLC announced that its Chief Executive Officer, Dr. Amy Walker, purchased 1,863 ordinary shares on the market for 509.00 pence per share on May 21, 2026. This transaction increases her shareholding to 48,529 ord 22 May 2026

award 4basebio PLC has appointed Mr. Cornel Chiriac as a Non-executive Director, effective immediately, bringing 25 years of investment and operational management experience, including a decade in deep tech and science venture 8 Jul 2026

award 4basebio PLC announced the grant of 684,872 share options to Directors and a PDMR, with exercise prices of £5.05 and £5.25 per ordinary share. Dr. Amy Walker received 387,872 options at £5.05, Dr. Manja Boerman received 22 Jul 2026

Company filings. Not investment advice.