Not working selling on 114.. some people buying at 114 and selling inmediatly a bit under 127 issuer price.

NXT-3Y7Y-A8RA-5GXC-3AYP9    663   126.9999   84'200.9337
NXT-NPJS-GHPB-6MTG-BL4Y8   4'194     126.9999999   532'637.9995806

It should be possible to set that only issuer could sell. And also to ban some id's.