The shares changed hands at 0.537 marka apiece on June 12, the Banja Luka Stock Exchange (BLSE) data showed on Wednesday.
Potkozarje's share capital is divided into 5,412,948 shares of 1 marka in par value each.
Its shares have not traded in regular trading on the BLSE in the past year.
(1 euro = 1.956 marka)