(Sharecast News) - Haydale Graphene Industries director Raymond Gibbs sold 80,000 ordinary shares in the global solutions company on Friday.Gibbs, who runs the AIM-listed outfit's subsidiary Haydale, disposed of the shares in two separate transactions - the first of which saw him offload 64,000 shares at 31.50p per share, while the second him let go of a further 16,000 at 31.85p each.The director collected a total £25,246 from the sale.Haydale's Taiwanese HTW operation started to ship commercial quantities of its graphene ink for diabetes test strips back in November.After year-long trials, sizeable deliveries have now started as part of a 100Kg order from a Taiwanese printer, in what Haydale said is the first time graphene ink has been used in these quantities in this market.At the time, Gibbs said: "Having now established market acceptance with the supply of commercial volume for a high-quality printer, armed with excellent third-party test results and customer endorsements, we can also see market demand for this high-performance product in Europe and especially the US."As of 1630 GMT, Handle shares had slipped 5.43% to 30.02p.Top Director BuysBritish Land Company (BLND)Director name: Jackson,William Amount purchased: 2,605 @ 531.62pValue: £13,848.69British Land Company (BLND)Director name: Score,TimAmount purchased: 2,578 @ 531.62pValue: £13,705.15Tt Electronics (TTG)Director name: Baunton CBE,MichaelAmount purchased: 5,000 @ 198.00pValue: £9,900.00Premier Oil (PMO)Director name: Rose ,RichardAmount purchased: 241 @ 62.30pValue: £150.14Alliance Trust (ATST)Director name: Samuel,ChristopherAmount purchased: 19 @ 695.00pValue: £132.05Premier Oil (PMO)Director name: Allan,RobinAmount purchased: 201 @ 62.30pValue: £125.22Premier Oil (PMO)Director name: Durrant ,Tony Amount purchased: 201 @ 62.30pValue: £125.22Top Director SellsHaydale Graphene Industries (HAYD)Director name: Gibbs,Raymond (Ray) JohnAmount sold: 64,000 @ 31.50pValue: £20,160.00Haydale Graphene Industries (HAYD)Director name: Gibbs,Raymond (Ray) JohnAmount sold: 16,000 @ 31.85pValue: £5,096.00