Global Ship Lease plans to trade in some equity for a larger fleet.

The London-based owner of 43 boxships intends to launch an underwritten public offering of its Class A common shares that have yet to be priced.

The New York-listed company expects to use the proceeds to fund fleet expansion, general corporate purposes and working capital.

It also intends to give the underwriters a 30-day option to buy up to an additional 15% of shares being offered.