(Sharecast News) - Persimmon chairman Roger Devlin purchased 12,575 ordinary shares in the FTSE 100 resident on Friday.Devlin, who joined the blue-chip housebuilder back in March, acquired the shares at an average price of 2,217p, for a total value of £278,787.75.Back in August, Persimmon reported a 13% jump in profits from the first half of the year as the housebuilder's sales slowed but margins ballooned.The company posted profit before tax of £516.3m as underlying new housing operating margins swelled by 210 basis points to 29.7% and group revenues climbed 5% to £1.84bn. Housing sales volumes up 3.6% more homes and the average selling price increased 1% to £215,813.Data published earlier this month showed that activity in the British construction sector lost momentum in September as confidence faltered ahead of the UK's departure from the European Union.The IHS Markit/CIPS UK Construction PMI for September was 52.1, down from 52.9 in August and the weakest rise in output for six months.As of 1615 BST, Persimmon shares had slipped 2.13% to 2,162p.Top Director BuysPersimmon (PSN)Director name: Devlin,RogerAmount purchased: 12,575 @ 2,217.00pValue: £278,787.75Smiths Group (SMIN)Director name: Seeger,William CAmount purchased: 2,500 @ 1,354.83pValue: £33,870.75Altus Strategies (ALS)Director name: Grainger,MatthewAmount purchased: 350,000 @ 3.73pValue: £13,055.00Altus Strategies (ALS)Director name: Milroy,RobertAmount purchased: 325,000 @ 3.63pValue: £11,797.50Xpediator (XPD)Director name: Borrelli,Michael AlexanderAmount purchased: 20,000 @ 55.00pValue: £11,000.00Invesco Asia Trust (IAT)Director name: Maier,TomAmount purchased: 4,200 @ 251.10pValue: £10,546.20Invesco Asia Trust (IAT)Director name: Maier,TomAmount purchased: 1,965 @ 252.50pValue: £4,961.63Kingswood Holdings Limited (KWG)Director name: Kaplan,DarrylAmount purchased: 20,554 @ 16.75pValue: £3,442.80Kingswood Holdings Limited (KWG)Director name: Kaplan,DarrylAmount purchased: 13,730 @ 16.75pValue: £2,299.78Kingswood Holdings Limited (KWG)Director name: Kaplan,DarrylAmount purchased: 9,767 @ 16.75pValue: £1,635.97Personal Assets Trust (PNL)Director name: Ferguson,IainAmount purchased: 2 @ 39,375.40pValue: £787.51Wetherspoon (j.d.) (JDW)Director name: Cacioppo,SuAmount purchased: 12 @ 1,256.00pValue: £150.72Wetherspoon (j.d.) (JDW)Director name: Whitley ,Ben Amount purchased: 12 @ 1,256.00pValue: £150.72Wetherspoon (j.d.) (JDW)Director name: Geoghegan,MartinAmount purchased: 12 @ 1,256.00pValue: £150.72Wetherspoon (j.d.) (JDW)Director name: Hutson,JohnAmount purchased: 12 @ 1,256.00pValue: £150.72Wetherspoon (j.d.) (JDW)Director name: Slade,MilesAmount purchased: 10 @ 1,256.00pValue: £125.60Top Director Sells