Insider trading question

I saw some openly available info on Friday, 2/12 that showed a couple insiders sold shares on Tuesday 2/16.

How does this make sense, seeing as it is not actually 2/16 yet and I saw this on 2/12... I am wondering does this is normal and does it occur occasionally?

Maybe it's just a mix up of information?
 
Thanks for the info. Without reading anything, one more thing...

Are these insiders obligated to sell/buy the shares on that date if it is already "planned"?
 
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