The running joke, sometimes, is that all of my holdings are pre-seizure. I bought them from someone who had them then, who didn't want them any more.
Yes, this is NOT a class action in civil court -- where at the beginning of the case, they state what the class covered is -- like "All buyers prior to xx" -- this is a bankruptcy case. Apples/oranges.
And, as an example, each time a vote is held, the "holders of record" are those who hold shares a few days/weeks before the vote -- not those who held those same shares pre-seizure. If I'm the current holder, I vote my shares, based on how I feel it benefits me, as the current holder. Not somebody who held them eons ago.
And, lastly, the SEC (if you want the links, we can hunt them up) also explains that in Bankruptcy the shares continue - that's why they're trading with the Q -- WAMUQ -- but they are the same shares, and current holders - like musical chairs - are the ones who benefit from a bankruptcy case.
Pre-seizure holders had the option to sell, hold, increase, etc.
...Catz
.
News 
Market Data 
Discover 
