NewLead, the Michael Zolotas-led shipowner and mining upstart, revealed the identity of the investor in a filing with the US Securities and Exchange Commission (SEC).

The outfit announced earlier today that it was issuing $25m in convertible preferred shares to an institutional investor but did not initially name the firm.

Ironridge identifies itself as a long-only investor that helps public companies fund operations and expansion in an effort to “unlock the full potential of cash-constrained businesses”.

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