(ShareCast News) - The chief executive of British Polythene Industries has sold £0.35m-worth of shares in the plastic bag maker.John Langlands and his wife sold 49,532 shares mostly at a price of 710p, reaping £351,719.As a result, Langland, who has been at the company for more than 20 years and in the top role since 2003, holds 406,490 BPI shares.BPI, which makes polythene film, bags and sacks released results at the end of last month that showed operating profits up 7% to £28.6m, adjusted EPS up 16% to 76.6p and a dividend hiked 12.5% to 18p.Top Director BuysCastings (CGS)Director name: Vicary,AdamAmount purchased: 8,000 @ 464.00pValue: £37,120.00Surgical Innovations Group (SUN)Director name: Hardy,PaulAmount purchased: 750,000 @ 1.65pValue: £12,375.00Henderson Smaller Companies Inv Trust (HSL)Director name: Lamb,DavidAmount purchased: 1,659 @ 599.00pValue: £9,937.41Pacific Assets Trust (PAC)Director name: Hansen,SianAmount purchased: 2,554 @ 192.50pValue: £4,916.45Centaur Media (CAU)Director name: Vidler ,AndriaAmount purchased: 273 @ 54.95pValue: £150.01Top Director SellsBig Yellow Group (BYG)Director name: Vetch,NicholasAmount purchased: 2,974 @ 782.25pValue: £23,264.12