Sopharma acquired the shares through a deal on the Bulgarian Stock Exchange on September 28, Sopharma Trading said in a bourse filing on Tuesday.
Earlier on Tuesday, Sopharma Trading said that Sopharma has acquired 533,508 Sopharma Trading shares at a price of 5 levs each on September 25.
Sopharma Trading shares closed at a price of 5.15 levs on Tuesday, while Sopharma shares ended at 3.14 levs.
Sopharma owned a 74.47% stake in Sopharma Trading at the end of June.
(1 euro = 1.95583 levs)