Director dealings: Science Group chairman ups stake

Ratcliffe, who was appointed chairman of Science Group in April 2010, purchased the shares on Friday at an average price of 450.0p each, for a total value of £45,000.

Following the transaction, Ratcliffe holds a beneficial interest in 9.42m ordinary Science Group shares, representing approximately 20.73% of the company's issued share capital.

As of 1620 BST, Science Group shares were up 5.61% at 468.90p.

Reporting by Iain Gilbert at Sharecast.com

Top Director Buys

Bezant Resources (BZT)
Director name: Bird,Colin
Amount purchased: 15,000,000 @ 2.86p
Value: £429,000.00

Bezant Resources (BZT)
Director name: Bird,Colin
Amount purchased: 15,000,000 @ 2.79p
Value: £418,200.00

Bezant Resources (BZT)
Director name: Bird,Colin
Amount purchased: 15,000,000 @ 2.74p
Value: £411,600.00

Secure Trust Bank (STB)
Director name: Brown ,Jim
Amount purchased: 17,000 @ 828.82p
Value: £140,899.41

C&c Group (cdi) (CCR)
Director name: O'Rourke,Feargal
Amount purchased: 50,000 @ 156.00p
Value: £78,000.00

First Tin (1SN)
Director name: Brookes,Charles Cannon
Amount purchased: 900,000 @ 5.50p
Value: £49,500.00

Science Group (SAG)
Director name: Ratcliffe,Martyn Roy
Amount purchased: 10,000 @ 450.00p
Value: £45,000.00

Rank Group (RNK)
Director name: Harris,Richard
Amount purchased: 53,000 @ 76.00p
Value: £40,280.00

Rank Group (RNK)
Director name: Harris,Richard
Amount purchased: 30,000 @ 76.04p
Value: £22,812.00

Rank Group (RNK)
Director name: Harris,Richard
Amount purchased: 19,100 @ 76.15p
Value: £14,544.65

Glencore (GLEN)
Director name: Gilbert,Martin J
Amount purchased: 3,000 @ 408.62p
Value: £12,258.64

Gran Tierra Energy Inc. (cdi) (GTE)
Director name: Guidry,Gary
Amount purchased: 497 @ 856.00p
Value: £4,254.32

Top Director Sells

Hammerson (HMSO)
Director name: Gagné,Rita-Rose
Amount sold: 666,311 @ 28.53p
Value: £190,129.18

Rhi Magnesita N.v. (di) (RHIM)
Director name: Sevelda,Karl
Amount sold: 1,000 @ 3,561.60p
Value: £35,616.00