He was also an irrepressible ramper of MAK when it was above $2 a couple of years back. Might be again trying to get people to take money from potash to phosphate? might simply want to get STB as cheap as around the time of the rights issue - usually a good time to try such a tactic if it is ones wont, and within ones scrupples.
A bit radioactive at the best of times.
EL