It may have been a response to unsubstantiated CLAIMS of NSS, long after this stock had a viable chance to come back with the authorized shares all maxed out.
Even FINRA gets tired of being used as the fall guy.
The failed reverse split may have been a direct result of the above.
This stock has never benefitted shareholders from earnings, in all the time it's been around, but the CEO has prospered.
It is pretty clear why securities are designated trade for trade. I don't see naked shorting listed.
NSCC typically designates these broker-to-broker transactions to settle trade-for-trade if they involve securities that have been chilled or globally locked for operational, risk management, or regulatory or compliance reasons.