(Sharecast News) - Bioventix revealed on Monday that chairman Ian Nicholson had acquired 1,000 ordinary shares in the AIM-listed biotechnology firm.

Nicholson, who took over as chairman in November 2004, purchased the shares on Friday at an average price of 1,848p each, for a total value of £18,480.

Following the transaction, Nicholson holds a beneficial interest in 14,500 ordinary Bioventix shares, representing approximately 0.3% of the company's issued share capital.

As of 1425 BST, Bioventix shares were up 2.11% at 1,889p.

Reporting by Iain Gilbert at Sharecast.com

Top Director Buys

Uniphar (cdi) (UPR)

Director name: Rabbette,Gerard

Amount purchased: 111,088 @ 3.86

Value: 386,596.25

Uniphar (cdi) (UPR)

Director name: Dolphin,Timothy

Amount purchased: 74,059 @ 3.86

Value: 257,731.99

Bioventix (BVXP)

Director name: Nicholson,Ian James

Amount purchased: 1,000 @ 1,848.00p

Value: £18,480.00

Software Circle (SFT)

Director name: Lightfoot ,Richard

Amount purchased: 38,624 @ 15.38p

Value: £5,940.37

Strip Tinning Holdings (STG)

Director name: Perrins,Mark

Amount purchased: 26,000 @ 21.00p

Value: £5,460.00

Beazley (BEZ)

Director name: Bantick ,Paul

Amount purchased: 141 @ 1,272.00p

Value: £1,793.52

Top Director Sells

Uniphar (cdi) (UPR)

Director name: Rabbette,Gerard

Amount sold: 233,068 @ 3.86

Value: 811,097.64

Uniphar (cdi) (UPR)

Director name: Dolphin,Timothy

Amount sold: 155,378 @ 3.86

Value: 540,729.44

Software Circle (SFT)

Director name: Lightfoot ,Richard

Amount sold: 38,624 @ 15.30p

Value: £5,909.47