Sapphire miner Richland Resources (LON:TLD) revealed that non-exec director Nicholas Sibley has further increased his share interest in the firm.
On December 29 last year, Stockland Group, in which his family have an interest, purchased 100,000 shares at 3 pence each.
It means he is now interested in around 14.3mln shares, or 6.6% of the capital.
It comes after last month, Sibley acquired 300,000 Richland shares at a price of 3p, across two transactions.
Richland shares added 4% to stand at 3.25p each today.