Ardmore Shipping thoroughly rejected Hafnia's takeover offer earlier this month, but what kind of deal would the Irish tanker owner go for?

On the company's second-quarter conference call, Value Investor's Edge researcher J Mintzmyer put the question to Ardmore chief executive Anthony Gurnee, who said he evaluates consolidation offers across four criteria.

"We engage in M&A discussions continually. Always in private and always on the basis that they have to be compelling for shareholders," Gurnee said.