(Sharecast News) - Costain revealed on Tuesday that Alice Vaughan, a person closely associated with chief executive Alex Vaughan, had disposed of 415,015 shares in the FTSE 250-listed construction and engineering firm.

Vaughan sold the shares at an average price of 206.38p each, for a total value of £856,495.93.

Following the transaction, Alex Vaughan holds a beneficial interest in 1.8m ordinary Costain shares.

As of 1430 BST, Costain shares were down 2.86% at 204p.

Reporting by Iain Gilbert at Sharecast.com

Top Director Buys

Tandem Group (TND)

Director name: Bragg,Simon

Amount purchased: 50,000 @ 165.25p

Value: £82,625.00

Ct Automotive Group (CTA)

Director name: Davies,Geraint

Amount purchased: 30,000 @ 30.60p

Value: £9,180.00

Richmond Hill Resources (RHR)

Director name: Harris,Hamish Hamlyn

Amount purchased: 385,000 @ 1.33p

Value: £5,120.50

Top Director Sells

Costain Group (COST)

Director name: Vaughan,Alex

Amount sold: 415,015 @ 206.38p

Value: £856,495.93