dirty stock

Dirty stock

A stock that fails to fulfill prerequisites to attain good delivery status.

Dirty Stock

A stock that cannot be transferred, especially because of improperly filed paperwork or another fairly innocuous reason. In other words, the delivery of a dirty stock is only stopped by legal and/or regulatory rules. See also: Good delivery.

dirty stock

A security that is not in deliverable form for transfer. For example, a certificate may not be endorsed properly.