This might be a newbie question. well I posted this on newbie forum so I think that's ok 
. What is the difference between direct sale and PT share? Thanks.
. What is the difference between direct sale and PT share? Thanks.From the G.ASICMINER.PT security description
Quote
Shares:
Each 1 share of G.ASICMINER-PT represents 1 share of ASICMINER maintained and verified by either Friedcat or any officially designated exchange.
Dividends
Each G.ASICMINER-PT share has the right to 100% of the dividends of 1 ASICMINER share.
The amount of the dividend is defined as amount distributed by Friedcat and/or any officially designated exchange.
Dividends will be paid within 48 hours of a payment from ASICMINER.
Voting Rights
Any public votes presented by ASICMINER to all shareholders of ASICMINER may be voted on BitFunder towards a single decision by the G.ASICMINGER-PT shareholder account.
Each 1 share of G.ASICMINER-PT represents 1 share of ASICMINER maintained and verified by either Friedcat or any officially designated exchange.
Dividends
Each G.ASICMINER-PT share has the right to 100% of the dividends of 1 ASICMINER share.
The amount of the dividend is defined as amount distributed by Friedcat and/or any officially designated exchange.
Dividends will be paid within 48 hours of a payment from ASICMINER.
Voting Rights
Any public votes presented by ASICMINER to all shareholders of ASICMINER may be voted on BitFunder towards a single decision by the G.ASICMINGER-PT shareholder account.
Basically when you own a PT share you own an analog of a direct share that is owned by someone else. The dividends from the direct share are passed-through to the owner of the past-through share.