(Sharecast News) - On The Beach Group chairman Richard Pennycook purchased 38,333 ordinary shares in the London-listed online travel retailer on Thursday.Pennycook, former chief executive of The Co-Operative Group, acquired the shares at an average price of 420p each, for a total value of £160,999.Liberum initiated coverage of On The Beach at a 'buy' in March, setting a 560p target price for the outfit's shares in the process.Its analysts hailed the company's "disruptive" proprietary technology, projecting that the resulting market share gains would drive the compound annual rate of growth in EBITDA and EPS over the next three years to 16.4% and 15.7%, respectively.But the company's equity story didn't end there, with "new products and new markets giving a long runway for the future," they said."The market is undervaluing OTB's long term potential and not recognising the option value from international expansion, long-haul product growth, and the diversification into offline/b2b," they added.As of 1630 BST, On the Beach shares had crept forward 0.62% to 422.60p.Top Director BuysWarehouse Reit (WHR)Director name: Mr Stephen BarrowAmount purchased: 390,000 @ 103.00pValue: £401,700 Warehouse Reit (WHR)Director name: Mr Simon HopeAmount purchased: 291,888 @ 103.00pValue: £300,645 On The Beach Group (OTB)Director name: Mr Richard PennycookAmount purchased: 38,333 @ 420.00pValue: £160,999 Warehouse Reit (WHR)Director name: Mr Neil KirtonAmount purchased: 100,000 @ 103.00pValue: £103,000 Warehouse Reit (WHR)Director name: Mr Martin MeechAmount purchased: 100,000 @ 103.00pValue: £103,000 Warehouse Reit (WHR)Director name: Mr Aimee PitmanAmount purchased: 72,814 @ 103.00pValue: £74,998 Wynnstay Group (WYN)Director name: Mr James John McCarthyAmount purchased: 25,000 @ 299.00pValue: £74,750 Revolution Bars Group (RBG)Director name: Mr Rob PitcherAmount purchased: 50,000 @ 70.60pValue: £35,300 Warehouse Reit (WHR)Director name: Mr Lynette LackeyAmount purchased: 25,000 @ 103.00pValue: £25,750 Warehouse Reit (WHR)Director name: Mr Lynette LackeyAmount purchased: 25,000 @ 103.00pValue: £25,750 Top Director SellsCairn Energy (CNE)Director name: Mr Simon ThomsonAmount sold: 119,503 @ 159.90pValue: £191,085 Cairn Energy (CNE)Director name: Mr James SmithAmount sold: 77,726 @ 159.90pValue: £124,284 Advanced Medical Solutions Group (AMS)Director name: Mr A Christopher (Chris) MeredithAmount sold: 5,735 @ 318.00pValue: £18,237 Advanced Medical Solutions Group (AMS)Director name: Mr A Christopher (Chris) MeredithAmount sold: 4,850 @ 318.00pValue: £15,423