I suspect that the recent draft S4 was in response to this, and other similar actions:
More Seat Holders Sue NYSE Over Archipelago Merger
Jun 24, 2005, 09:37
NEW YORK_Two more New York Stock Exchange seat holders filed suit against the Big Board Thursday, seeking the release of documents and records of the exchange's merger agreement with all-electronic rival Archipelago Holdings Inc.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.