Sells of 140k - 460k looks like to high to simply be panicky sells,
I'm still getting my head around stock manipulation. When I sold at 0.18c last week (after buying in at 0.185), it was because I noticed that the huge buy depth would build and then it would get wiped out in a few huge hits.
To my uneducated eye it looked like someone was proping up the buy orders and then dumping into the momentum generated by the props.
But as I say only my very uneducated guess and I haven't been following SDL for very long so maybe sells like that are common.
SDL Price at posting:
17.5¢ Sentiment: None Disclosure: Not Held