The US tanker owner's B shares were approved for listing on the NYSE MKT exchange, formerly the American Stock Exchange, and began trading on Friday under the ticker OSGB.
NYSE MKT is traditionally for small-cap companies.
OSG called the move "a significant corporate milestone" and added it marked an important step in its efforts to increase the trading liquidity of the stock and broaden its shareholder base after emerging from bankruptcy in May.
The
