Chariot Oil & Gas announced on Wednesday that five of its directors had collectively purchased just over one million shares of the group, just a few days after it posted results for the first half of the year. Non-Executive Chairman George Candar purchased 159,000 shares for a total of £29,892, while Chief Executive Officer Larry Bottomley purchased 265,000 shares, costing him £49,820. Fellow Directors Matthew Taylor and Robert Sinclair each bought 212,000 for £39,856, while Chief Financial Officer Mark Reid acquired 159,000 at a total price of £29,892. All of the shares were bought at 18.80p each. Last week the group reported that it is debt free and at the end of June held cash balances of $39.9m ($68.3m at the end of December 2012). Administration expenses were marginally higher, up $0.1m at $3.1m. Capitalised exploration costs in the period totalled $10.1m (June 30th 2012: $97.8m), which were funded by existing cash and working capital movements.In a statement, the group said: "We will continue to execute our strategy and deliver on our stated objectives. We look forward to further developing Chariot's asset base over the coming months and years to achieve our goal of transformational growth."Top Director BuysChariot Oil & Gas Ltd. (CHAR) Director name: Mr Larry BottomleyAmount purchased: 265,000 @ 18.80p Value: £49,820Chariot Oil & Gas Ltd. (CHAR) Director name: Mr Matthew TaylorAmount purchased: 212,000 @ 18.80p Value: £39,856Chariot Oil & Gas Ltd. (CHAR) Director name: Mr Robert A G SinclairAmount purchased: 212,000 @ 18.80p Value: £39,856Chariot Oil & Gas Ltd. (CHAR) Director name: Mr George F. CanjarAmount purchased: 159,000 @ 18.80p Value: £29,892Chariot Oil & Gas Ltd. (CHAR) Director name: Mr Mark Reid Amount purchased: 159,000 @ 18.80p Value: £29,892Alliance Trust (ATST) Director name: Mr Alastair KerrAmount purchased: 5,875 @ 433.14p Value: £25,447SABMiller (SAB) Director name: Mr John A ManzoniAmount purchased: 390 @ 3,213.60p Value: £12,533Porvair (PRV) Director name: Mr Paul DeanAmount purchased: 5,000 @ 248.74p Value: £12,437Global Energy Development (GED) Director name: Mr Mikel D FaulknerAmount purchased: 10,000 @ 100.00p Value: £10,000Top Director SellsPersimmon (PSN) Director name: Mr Nigel GreenawayAmount sold: 8,960 @ 1,121.00p Value: £100,442NR