Iv'e had it as well and then they say they will offer £8 - £15 per share on something worth £2 per share but I have to pay 5% of the total value as insurance.  SCAM SCAM SCAM.  The accent is not American, either Chinese or Indian.

Answered the first call 2 hours ago here in London  and now they are calling back every 3-5 minutes but I am screening all calls and have not answered them again.

This has to be a scam as they are telling me are calling from New York and but it is not the area code for NYC. Not sure what the scam is but they know that I own a very small number  (100) of shares in a small unknown unprofitable company, Their claim is that they are employed by a multi national client who wants to purchase them to gain control of the company. They are calling again as I type