You may not consider $160K to be a big deal but put in...

You may not consider $160K to be a big deal but put in perspective, a holding of just 1M shares puts a holder in the top 20.
5 positions on the T20 are Ruane/Intermin holdings.
Former directors/employees, as per last annual report, hold at least another 2 positions.
Your man from AMN is at number 6 and he voted against management at the AGM.
The recent chairmans address told us that a known group voted down the remuneration report.
The 800k seller might have been Joe Blow taking an opportunity to exit his relatively significant position but don't you think he might have waited to see some momentum and exit in a less obvious manner?
Most of the buying post PFS was done by MR, was he a capper? I think it was probably in his overall interest to see the SP rise not stagnate.