If you hold paid up shares when business closes on the NIGHT BEFORE it goes exd you get the divi - the gap between the Wed it goes exd & the register date is to give the registrars time to register everyone (!)
if you buy exd you don't get the divi & the price drops by the amount of the divi to compensate you for this loss
If you sell exd you still get the divi - because you will have sold at a price which has dropped by the amount of the divi (& more usually)
If you get the divi by mistake you get asked for it back but it takes a while.
Some people sell on the morning it goes exd to avoid the extra drop, but with a director purchase I'm not going to!! Imo these shares have way to go yet as there were lots of good hints in the results I thought.
I'm still fairly new too but I have been trying to work this out as there is a lot of misinformation about - so if I've got it wrong please correct me o:))
Theo
PS Sorry Krupatel I don't know about T10 buys