actually, the 1 million FTD's failed for 1 day. It could have been a delay in settlement from a long seller holding a cert or it could have been bona-fide market making where the market maker did not close out their position that day but the day after. either way, unless those 1 Million shares on that trade day represented majority of volume and had an impact on price that day it was extremely benign.
If you wish to read more on how trades fail settlement the SEC has a primer on their site detailing the many ways a trade could fail settlement.
Bottom line, if there is an "official" confirmation of an FTD existing, then such means that the entire Float has been bought up and that there are no more shares in the remaining inventory of shares within the NWTT Float to be bought. That means that people are buying shares above the number of shares in the ”actual” Float per the SEC link you posted.
Totally wrong. The FTD has no direct relation to float whatsoever. float is what you and others hold, buy, or sell. An FTD is based on what that individual seller had when they sold INCLUDING simple delays in delivery of shares to their broker.
Again, all of this is well detailed at the SEC site and I would certainly not use an I-Hub post as authority over the actual laws and regulations presented by the reigning authorities.