Tufton Oceanic Assets insiders have increased their holdings in a series of share deals.

A filing to the London Stock Exchange shows that principals of the shipping fund’s investment manager Tufton Investment Management (TIM) have acquired an additional 613,000 shares.

This slice would be worth $668,000 at the current price of $1.09 in London, up 1.4%.

The share price has been sliding over the past 12 months from $1.37