There's been heavy buying of investment company Parkmead recently, with bosses keen to snap up stock near historic lows.Non-executive chairman Colin Goodall and non-executive director Thomas Cross both bought 10m shares at 1p each.The £100,000 purchases take former BP man Goodall's stake to 12m shares, or 3.26% of the business, and the holding of Cross, also CEO at Dana Petroleum, up to 14m shares, or 3.8%.Parkmead chief Niall Doran chipped in with a more modest acquisition, adding 2m shares, or £20,000 worth, to his holding. He owns almost 10% of the company.A month ago, the group reported an operating loss of £1.11m in the six months to December, out from 1m in 2007. After impairment and other net losses, it posted a loss before tax of £4.27m versus £660,000 the year before.The company has two investments in listed companies, Faroe Petroleum and Reservoir Exploration Technology and a debenture investment in Transeuro Energy.Top Director BuysVolga Gas (VGAS) Director name: Mr Mikhail IvanovAmount purchased: 166,550 @ 61.19p Value: £101,912Parkmead (PMG) Director name: Mr Thomas P CrossAmount purchased: 10,000,000 @ 1.00p Value: £100,000Parkmead (PMG) Director name: Mr Colin R GoodallAmount purchased: 10,000,000 @ 1.00p Value: £100,000Whitbread (WTB) Director name: Mrs Wendy BeckerAmount purchased: 3,500 @ 843.80p Value: £29,533Spirax-Sarco Engineering (SPX) Director name: Mr Bill WhiteleyAmount purchased: 3,000 @ 785.00p Value: £23,550Parkmead (PMG) Director name: Mr Niall DoranAmount purchased: 2,006,061 @ 1.00p Value: £20,061Diamond Circle Capital (DIAM) Director name: Mr Rupert CottrellAmount purchased: 2,500 @ $5.38 Value: $13,438SIG (SHI) Director name: Mrs V. MurrayAmount purchased: 11,500 @ 89.60p Value: £10,304Top Director SellsSage Group (SGE) Director name: Mr Paul HarrisonAmount sold: 186,567 @ 182.90p Value: £341,231Volga Gas (VGAS) Director name: Mr Vladimir KoshcheevAmount sold: 166,550 @ 61.19p Value: £101,912Clarkson (CKN) Director name: Dr R M StopfordAmount sold: 20,000 @ 628.50p Value: £125,700Quintain Estates & Development (QED) Director name: Mr Adrian WyattAmount sold: 56,093 @ 53.00p Value: £29,729