Those after hours trades happen on every site on the stockmarket every day after the market closes. They are routine transactions to smooth things out ready for the next day's trading. There's no 'clever dude' making a fortune, involved. It would be highly illegal it it was.
As peterlowen said, "Where's the dilution?" There's been no dilution. Ithaca has the same number of shares as it had before the majority shareholders sold just 3% of their their holdings.
They possibly saw a chance to sell some of their shares at a damned good price and they took it.
Hmm! In my personal opinion, AI is generally operating at the level of a not very bright 5 year old. Maybe useful for some things but unreliable, unpredictable and potentially dangerous.