The non-executive chairman of Lamprell bought some shares in the group after reporting that its full-year profits more than doubled thanks to strong project deliveries.John Kennedy purchased 18,505 shares for an individual price of 101.04p, spending a total of £18,697.Following the purchase, Kennedy holds 1.6m shares in the energy group.On Thursday, the group released its results for 2014, where it saw its profits before tax rise to $93.7m from $37.8m the year before.Kennedy said 2014 was a year of "outstanding performance", driven by costs savings and favourable phasing of the construction cycles.Top Director Buys1pm (OPM) Director name: Mr Ronald RussellAmount purchased: 40,000 @ 54.48p Value: £21,7881pm (OPM) Director name: Mr Ronald RussellAmount purchased: 40,000 @ 54.48p Value: £21,788Lamprell (LAM) Director name: Mr John KennedyAmount purchased: 18,505 @ 101.04p Value: £18,697IMI (IMI) Director name: Mr Roberto QuartaAmount purchased: 1,053 @ 1,353.50p Value: £14,252Top Director SellsPartnership Assurance Group (PA.) Director name: Dr Ian OwenAmount sold: 1,400,000 @ 141.46p Value: £1,980,440