Nothing would stop them from hitting that bid, if they had a bona fide customer willing to sell there.
NITE and UBSS are very large public companies making markets in thousands of stocks.
I doubt they put their best guys on subpenny pinks. but I also doubt that they would risk not just their licenses, but huge fines, letting the rookies run wild on subpenny usolicited pinks.
Yes I could post link to the rules, done that many times, but it's pointless....the pumpers say they break those rules and the sheeple, usually way under water, back them up.