(Sharecast News) - Two notable director dealings disclosed to the London market on Thursday involved significant transactions by entities connected to Airtel Africa and Gran Tierra Energy.

Airtel Africa, a telecommunications provider across 14 African markets, reported a share purchase by Indian Continent Investment, an entity closely associated with Shravin Bharti Mittal.

On 27 December, the entity acquired 15 million shares at a price of 105p per share, amounting to a total value of £15.75m.

The transaction occurred outside a trading venue, and was formally notified to the company on 30 December.

Meanwhile, Gran Tierra Energy, a Calgary-based oil and gas producer focused on Latin America, disclosed the disposal of common shares by its president and chief executive officer Gary Guidry.

Guidry sold 52,000 shares at $6.99 each on 27 December, generating proceeds of $363,480.

The transaction also took place outside a trading venue.

At 1521 GMT, shares in Airtel Africa were up 2.38% at 116.3p, while those in Gran Tierra Energy were up 5.77% at 550p.

Reporting by Josh White for Sharecast.com.

Top Director Buys

Airtel Africa (AAF)

Director name: Mittal,Shravin Bharti

Amount purchased: 15,000,000 @ 105.00p

Value: £15,749,999.28

Victoria (VCP)

Director name: Petken,Gavin

Amount purchased: 147,058 @ 68.00p

Value: £99,999.44

Brooks Macdonald Group (BRK)

Director name: Montague ,Andrea

Amount purchased: 6,000 @ 1,660.00p

Value: £99,600.00

Victoria (VCP)

Director name: Petken,Gavin

Amount purchased: 48,184 @ 78.75p

Value: £37,944.90

Brooks Macdonald Group (BRK)

Director name: Jones ,Katherine

Amount purchased: 2,027 @ 1,660.00p

Value: £33,648.20

Brooks Macdonald Group (BRK)

Director name: Montague ,Andrea

Amount purchased: 2,000 @ 1,660.00p

Value: £33,200.00

Brooks Macdonald Group (BRK)

Director name: Slendebroek,Maarten

Amount purchased: 1,375 @ 1,660.00p

Value: £22,825.00

Victoria (VCP)

Director name: Petken,Gavin

Amount purchased: 31,783 @ 69.22p

Value: £21,999.62

Microlise Group (SAAS)

Director name: Lee,Jonathan Michael

Amount purchased: 19,417 @ 109.00p

Value: £21,164.53

Brooks Macdonald Group (BRK)

Director name: Jones ,Katherine

Amount purchased: 1,204 @ 1,661.00p

Value: £19,998.44

Victoria (VCP)

Director name: Petken,Gavin

Amount purchased: 28,147 @ 71.00p

Value: £19,984.37

Utilico Emerging Markets Ltd (di) (UEM)

Director name: Stobart,Eric St Clair

Amount purchased: 3,500 @ 212.11p

Value: £7,423.85

Utilico Emerging Markets Ltd (di) (UEM)

Director name: Liu,Isabel

Amount purchased: 2,819 @ 211.56p

Value: £5,963.88

Victoria (VCP)

Director name: Petken,Gavin

Amount purchased: 7,943 @ 66.60p

Value: £5,290.04

Utilico Emerging Markets Ltd (di) (UEM)

Director name: Bridgeman,Mark

Amount purchased: 2,454 @ 211.50p

Value: £5,190.21

Aviva (AV.)

Director name: Lambert,Pippa

Amount purchased: 988 @ 465.00p

Value: £4,594.20

Top Director Sells

Gran Tierra Energy Inc. (cdi) (GTE)

Director name: Guidry,Gary

Amount sold: 52,000 @ $6.99

Value: $299,727.87