Interesting post but I think its an overstatement to claim for sure that those are Satoshi's coins. Check out this comment:
http://www.reddit.com/r/Bitcoin/comments/2bu43g/who_mined_the_bitcoin_blocks_in_the_first_three/cj92iyy

Seems more likley to me those are not Satoshi's coins. However it's pretty interesting that coins from such long time ago are still moving (Even though they moved in febraury and not really recently).