Shareholders of NYMAGIC approved a merger agreement with ProSight Specialty Insurance Holdings, paving the way for the deal to be completed.

The board of directors of New York-based NYMAGIC declared a dividend to shareholders of 10 cents, payable Oct. 6.

A lawyer in Bensalem, Pa., says he has begun an investigation into corporate actions involved the planned sale of New York-based NYMAGIC to ProSight Specialty Insurance Holdings announced last week.

NYMAGIC is going to be acquired by ProSight Specialty Insurance Holdings, a specialty property-casualty insurance company.