was directors' buys strategic?

Was the recent directors purchase of 200k shares strategic?
I cannot get it out of my mind that Frank Rodgers 200k of shares are not just an an investment but also a strategic increase in holding.
If Alkoa is taking such a deep interest it must be entering his mind that he may need a bigger percentage than the current of approx 10%. Keeping in mind that he will get a chunk of the co through the sale of the 40% Australian rights to the technology which he (may be with others) still controls.Remember Global righs are fully MHM owned.
If Alkoa or others starts buying MHM early (before the purchase of the Ozzie 40% rights) his anticipated good chunk of the co may not eventuate to the extent he would like. Remember it is to be purchased using MHM shares.
i guess if Alkoa is so interested (they have big reasons to) the price of MHM may runnaway tio early and result in to much dilution of management control.

All speculative on my part.
cheers.