The reason they vote themselves these trusts is that they expect the company to fold or hopefully to be bought.
And the underlying reason is that they expect not to make the profits that they hoped for and possibly creditors to take the company away from them.
Venezuela's law of 'Sell to us first' has caused them to rethink their status and it is proof that mining in Venezuela under that law is not worth while.
Rusoro appears to be as much a shell company as a producer and the managemnent wants to make sure that there are life boats available for them while neglecting the shareholders, before it sinks.