otcx is used by lynx and interactive brokers as we
Post# of 148179
IB has vast features, hiding orders as well
https://www.interactivebrokers.com/en/index.php?f=596
I think its the noteholder, based on last 10Q he redeempted last time 10th of September, 5 days of delivery, the undercut appeared first time since a while yesterday afternoon and continued today... would fit