Herbjorn Hansson's son has purchased $231,000 worth of Nordic American Tankers shares, the company disclosed Monday afternoon.

Alexander Hansson bought 100,000 shares at $2.31 in a private placement, the company said.

Nordic American Tankers shares are trading at $2.27 after opening at $2.38.

According to last year's annual report, High Seas AS, a Hansson family-owned investment vehicle, owns 3.8