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UK small-cap RNS · 2 Mar 2026

Every announcement of UK small & mid caps under £2bn. The ones that started or moved a situation are marked – a click opens it.

DateCompanyMcapWhoAmount% mcap
2 Mar System1 Group SYS1 £43m
John Kearon · Non-Executive Director
Sell £7.3m 16.84%
2 Mar Sylvania Platinum Ltd SLP £232m
Johanna Magdalena Prinsloo · Wife of Chief Executive Officer
Jacobus Johannes Prinsloo · Chief Executive Officer
Sell £702k 0.30%
2 Mar SDI Group SDI £100m
Ken Ford · Chairman
Sell £186k 0.19%
2 Mar Frontier Developments FDEV £180m
David Braben · President and Founder
Sell – –
2 Mar Seeen SEEN £6.8m
Mark Williams · Non-Executive Director
Sell – –

Purchases and sales with the directors' own money, from the forms they file (MAR article 19); awards, vesting, option exercises, share plans and sales for tax are under All. Not investment advice.

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