Company chairman of Leni Gas & Oil David Lenigas topped up his stake in the firm just one day after announcing the acquisition of Goudron E&P firm Sorgenia International.Mr Lenigas bought 3m shares at 1.26p per share for £37,800, taking his total holding in the company to 14.69%.Company director Neil Ritson also dug deep, buying 5m shares at 1.25p each.The £62,500 move brought Ritson's total holding to 12.5m ordinary shares, representing 1.36% of the total issued share capital. In addition, Ritson will be granted 20m ordinary shares upon the company share price reaching 20p prior to 31 December 2012.Leni G&O bought Goudron E&P on Monday for an initial $1m, with a further £1m to be paid on the successful completion of the transaction. Despite the recent good news, which also saw the firm announce a three year equity line facility of up to £5m, the company's share price has still fallen 3.51% in the last year. Last month, the group announced that despite rising revenue, pre-tax losses have widened after group administration costs hit £940,000 for the six months to the end of June. Top Director BuysLookers (LOOK) Director name: Mr Peter JonesAmount purchased: 475,000 @ 50.50p Value: £239,875Richland Resources Ltd (RLD) Director name: Mr Edward F G NealonAmount purchased: 1,450,000 @ 8.00p Value: £116,000Leni Gas & Oil (LGO) Director name: Mr Neil RitsonAmount purchased: 5,000,000 @ 1.25p Value: £62,500Avingtrans (AVG) Director name: Mr Roger McDowellAmount purchased: 125,000 @ 47.00p Value: £58,750Leni Gas & Oil (LGO) Director name: Mr David Anthony LenigasAmount purchased: 3,000,000 @ 1.26p Value: £37,800Coral Products (CRU) Director name: Mr Joseph (Joe) GrimmondAmount purchased: 290,000 @ 12.00p Value: £34,800Anglo American (AAL) Director name: Sir John ParkerAmount purchased: 1,017 @ 2,359.75p Value: £23,999Real Estate Investors (RLE) Director name: Mr John Rawcliffe Airey Crabtree OBE Amount purchased: 38,000 @ 52.25p Value: £19,855Real Estate Investors (RLE) Director name: Mr John Rawcliffe Airey Crabtree OBE Amount purchased: 38,000 @ 52.25p Value: £19,855UK Coal (UKC) Director name: Mr Jonson CoxAmount purchased: 46,945 @ 31.95p Value: £14,999Top Director SellsPrime Focus London (PFO) Director name: Mr Christopher MillsAmount sold: 1,800,000 @ 35.00p Value: £630,000Red Rock Resources (RRR) Director name: Mr Andrew Ronald McMillan BellAmount sold: 800,000 @ 5.00p Value: £40,000NR