Amarin Corp Plc (AMRN)

[biowreck]

Not true. A quick Google surfaced this example -- there are lots of others:

Ugh, I guess I can’t believe everything I read lol. I have no experience in such instruments. I also came across thiis

Even registered “tradable” CVRs are often extremely illiquid because their value is so highly speculative. For example, Électricité de France’s (FP: EDF) CVRs began trading at 82p per CVR in 2008 and are currently at only 30p per CVR. CVR holders have little legal protection because it is unclear what, if any, enforcement mechanism is available should CVR covenants be breached – short of expensive and protracted individual litigation.