A non-executive director in Kerry Group increased his stake in the group following weak interim results.Philip Toomey bought 2,000 shares in the ingredients and flavours firm for an individual price of €63.15, spending a total of €126,300.After the transaction Toomey holds 3,000 shares in the group.Despite a 2.4% increase in revenues during the year, Kerry said on Tuesday that it suffered from a "weaker overall market" and lower industry inventory levels.The group was also affected by "challenging macro-economic landscape" and geopolitical tensions in developing markets, but managed to achieve good underlying growth with earnings per share increasing 8.1%.Chief executive Stan McCarthy said he expects a year of good growth in 2015. Top Director BuysKerry Group 'A' Shares (KYGA) Director name: Mr Philip ToomeyAmount purchased: 2,000 @ € 63.15 Value: € 126,300Wilmington Group (WIL) Director name: Mr Pedro RosAmount purchased: 22,425 @ 222.00p Value: £49,784Avingtrans (AVG) Director name: Mr Roger Steven McDowellAmount purchased: 30,000 @ 104.50p Value: £31,350Amati Vct 2 (AT2) Director name: Mr Christopher MacdonaldAmount purchased: 18,470 @ 108.28p Value: £19,999Driver Group (DRV) Director name: Mr Alan McClueAmount purchased: 30,000 @ 59.30p Value: £17,790Top Director SellsMondi (MNDI) Director name: Mr David A HathornAmount sold: 56,154 @ 1,301.88p Value: £731,058Mondi (MNDI) Director name: Mr Peter OswaldAmount sold: 56,039 @ 1,301.88p Value: £729,561Mondi (MNDI) Director name: Mr Andrew KingAmount sold: 25,917 @ 1,301.88p Value: £337,408Mondi (MNDI) Director name: Ms Carol HuntAmount sold: 9,858 @ 1,301.88p Value: £128,339