(Sharecast News) - Rio Tinto was at the top of the list of director buys on Friday, after its chief executive officer bought almost half a million pounds worth of shares.

The Anglo-Australian mining giant said Jakob Stausholm purchased 10,000 shares on Thursday in a market transaction on the London Stock Exchange.

Stausholm paid 4,856.87p for each share, spending a total of £485,686.91 in the process.

The purchase was made a day after the FTSE 100 company slashed its dividend, following a 29% tumble in first-half profit.

It cited weaker iron ore prices, labour shortages and higher costs for the fall, which sent its shares southwards after the results announcement on Wednesday.

Reporting by Josh White at Sharecast.com.

Top Director Buys

Rio Tinto (RIO)

Director name: Stausholm,Jakob

Amount purchased: 10,000 @ 4,856.87p

Value: £485,686.91

Everyman Media Group (EMAN)

Director name: Rosehill,Michael

Amount purchased: 200,000 @ 110.50p

Value: £221,000.00

Jupiter Fund Management (JUP)

Director name: Yates,Roger

Amount purchased: 100,000 @ 125.24p

Value: £125,240.00

Haleon (HLN)

Director name: Mahlan,Deirdre

Amount purchased: 38,484 @ $3.51

Value: $111,386.86

Jupiter Fund Management (JUP)

Director name: Pease,Nichola

Amount purchased: 40,000 @ 125.98p

Value: £50,392.00

Insig Ai (INSG)

Director name: Bernstein,Richard

Amount purchased: 115,000 @ 28.00p

Value: £32,200.00

Haleon (HLN)

Director name: Aymerich,Marie-Anne

Amount purchased: 8,334 @ 298.80p

Value: £24,901.99

Jupiter Fund Management (JUP)

Director name: Murray,Dale Jane

Amount purchased: 20,090 @ 123.81p

Value: £24,873.43

Rolls-royce Holdings (RR.)

Director name: East,Warren

Amount purchased: 27,672 @ 87.37p

Value: £24,177.03

Hotel Chocolat Group (HOTC)

Director name: Gerrie,Andrew

Amount purchased: 14,814 @ 135.00p

Value: £19,998.90

Metro Bank (MTRO)

Director name: Torpey,Michael

Amount purchased: 20,000 @ 80.62p

Value: £16,123.98

Foxtons Group (FOXT)

Director name: Hough,Chris

Amount purchased: 30,000 @ 42.48p

Value: £12,743.25

Rolls-royce Holdings (RR.)

Director name: Kakoullis ,Panos

Amount purchased: 13,295 @ 87.37p

Value: £11,615.84

Foxtons Group (FOXT)

Director name: Rollings,Peter

Amount purchased: 20,149 @ 44.38p

Value: £8,942.97

Great Southern Copper (GSCU)

Director name: Bond,Charles Richard William

Amount purchased: 185,310 @ 4.22p

Value: £7,822.12

Great Southern Copper (GSCU)

Director name: Bond,Charles Richard William

Amount purchased: 151,055 @ 4.10p

Value: £6,196.43

Lifesafe Holdings (LIFS)

Director name: James Stilwell,Michael

Amount purchased: 9,300 @ 53.00p

Value: £4,929.00

Haleon (HLN)

Director name: Mahlan,Deirdre

Amount purchased: 1,516 @ $3.51

Value: $4,384.74

Gensource Potash Corporation Npv (di) (GSP)

Director name: O'Shea,Amy Lynn

Amount purchased: 10,000 @ $0.19

Value: $1,566.75

Great Portland Estates (GPE)

Director name: Courtauld,Toby

Amount purchased: 25 @ 605.98p

Value: £151.50

Great Portland Estates (GPE)

Director name: Nicholson,Dan

Amount purchased: 25 @ 605.98p

Value: £151.50

Great Portland Estates (GPE)

Director name: Sanderson,Nick

Amount purchased: 25 @ 605.98p

Value: £151.50

Top Director Sells

Gsk (GSK)

Director name: Walmsley,Emma

Amount sold: 148,525 @ 1,763.41p

Value: £2,619,104.70

Avi Global Trust (AGT)

Director name: Noble,Susan Margaret

Amount sold: 13,175 @ 185.36p

Value: £24,421.21

Card Factory (CARD)

Director name: Lee,Kristian

Amount sold: 6,704 @ 52.03p

Value: £3,488.18