(ShareCast News) - The chairman of Thalassa Holdings bought some shares for the second consecutive month showing confidence in the group which has been facing challenging conditions due to the recent upheaval in the oil market.Charles Soukup purchased 50,000 shares for 51p each, spending a total of £25,000.Following the transaction, Soukup, the founding shareholder and chairman of Thalassa, holds 3.49m shares in the group, which represent 14.1% of its total voting rights.The company last month reported a full-year pre-tax loss of $12.23m compared with profit of $4.96m a year earlier and revenue declined 49.1% to $15.5m, as companies' exploration budgets were slashed with the oil industry being rocked by staff cuts, disposals and equipment write-downs following the collapse in the price of oil starting at the end of last year.Top Director BuysThalassa Holdings Ltd. (DI) (THAL) Director name: Mr Charles Duncan SoukupAmount purchased: 50,000 @ 51.00p Value: £25,500Anglo American (AAL) Director name: Mr Phuthuma F. NhlekoAmount purchased: 1,490 @ 867.50p Value: £12,926Anglo American (AAL) Director name: Mr Jim Rutherford Amount purchased: 1,458 @ 867.50p Value: £12,648Top Director SellsBacit Limited (BACT) Director name: Mr Thomas HendersonAmount sold: 5,000,000 @ 128.50p Value: £6,425,000Thomas Cook Group (TCG) Director name: Mr Michael HealyAmount sold: 271,847 @ 125.24p Value: £340,461Thomas Cook Group (TCG) Director name: Mr Peter FankhauserAmount sold: 170,833 @ 125.24p Value: £213,951Connect Group (CNCT) Director name: Mr Nicholas Gresham Amount sold: 135,475 @ 148.00p Value: £200,503Thomas Cook Group (TCG) Director name: Mr Peter FankhauserAmount sold: 133,402 @ 125.24p Value: £167,073Premier African Minerals Ltd (PREM) Director name: Ms Pamela Shannon HuestonAmount sold: 1,900,000 @ 2.24p Value: £42,560