Sopharma acquired the shares at a price of 5.60 levs ($3.51/2.86 euro) per share on the Bulgarian Stock Exchange's regulated market, Sopharma Trading said in a bourse filing.
Since the start of December, Sopharma has acquired 27,303 shares in Sopharma Trading.
Also on Tuesday, Sopharma Trading said that the chairman of its board of directors - Ognyan Donev, sold 7,420 shares in the company at a weighted average price per share of 5.60 levs. Donev sold the shares on the floor of the Bulgarian Stock Exchange on December 23.
Donev is also the CEO and indirectly the biggest shareholder of Sopharma.
Sopharma held a 76.09% stake in Sopharma Trading at the end of September.
As at 16:13 CET on Tuesday, shares in Sopharma traded unchanged at 3.18 levs on the Bulgarian Stock Exchange. Sopharma Trading's shares traded 0.89% lower at 5.55 levs.
(1 euro = 1.95583 levs)