Vodafone's chairman Sir John Bond has upped his stake in the mobile phone company substantially, spending £116,000 on shares.He paid 116p a time for 100,000 shares in the firm and now has 337,345.Bond became chairman of Vodafone in 2006 after stepping down as chairman of HSBC, having worked at the bank for 45 years.His previous directorships include a spell at mobile phone group Orange from 1996 to 1999.Bond was knighted for services to banking in 1999.Top Director BuysNorth Atlantic Smaller Companies Inv Trust (NAS) Director name: Mr Christopher H B MillsAmount purchased: 40,550 @ 725.00p Value: £293,988Cable & Wireless (CW.) Director name: Mr John PlutheroAmount purchased: 155,867 @ 136.70p Value: £213,070North Atlantic Smaller Companies Inv Trust (NAS) Director name: Hon Peregrine D E M MoncreiffeAmount purchased: 25,000 @ 730.00p Value: £182,500North Atlantic Smaller Companies Inv Trust (NAS) Director name: Mr Christopher H B MillsAmount purchased: 21,000 @ 725.00p Value: £152,250Vodafone Group (VOD) Director name: Sir John BondAmount purchased: 100,000 @ 116.00p Value: £116,000Close Brothers Group (CBG) Director name: Mr Jonathan HowellAmount purchased: 15,664 @ 638.40p Value: £99,999Eaga (EAGA) Director name: Mr Roger AylardAmount purchased: 50,000 @ 121.00p Value: £60,500Salamander Energy (SMDR) Director name: Mr James MenziesAmount purchased: 20,000 @ 184.00p Value: £36,800Midas Income & Growth Trust (MIGT) Director name: Mr Ian DavisAmount purchased: 12,500 @ 91.40p Value: £11,425Top Director SellsJardine Matheson (Singapore) (JAR) Director name: Mr Benjamin William KeswickAmount sold: 100,000 @ $23.45 Value: $2,345,400Henry Boot (BHY) Director name: Mr Douglas GreavesAmount sold: 25,000 @ 79.00p Value: £19,750