A non-executive director at RM2 International increased his stake in the company one day after it reported a trim in pre-tax profits and a boost in revenues in 2014.Paul Walsh purchased 100,000 shares for an individual price of 68.5p, spending £68,500.Following the transaction, Walsh holds 1.7m shares in the group, which represent 0.54% of its issued share capital.The shipping pallet seller and provider on Monday posted a pre-tax loss of $47.3m in the 12 months to 31 December, an improvement from $77.2m in 2013.The deployment of pallets is expected to expand significantly over the remainder of 2015 and into 2016, thanks to a substantial agreed sale to a major industrial customer.Top Director BuysRM2 International S.A. (DI) (RM2) Director name: Mr Paul S WalshAmount purchased: 100,000 @ 68.50p Value: £68,500Petropavlovsk (POG) Director name: Mr Robert JenkinsAmount purchased: 750,000 @ 7.09p Value: £53,175Cambian Group (CMBN) Director name: Mr Chris BrinsmeadAmount purchased: 10,000 @ 281.50p Value: £28,150Top Director SellsTown Centre Securities (TCSC) Director name: Mr Michael ZiffAmount sold: 300,000 @ 293.27p Value: £879,810Henry Boot (BHY) Director name: Mr John T SutcliffeAmount sold: 15,000 @ 230.50p Value: £34,575