Here's the SEC's definition of when FORM 4 must be filed:
"Form 4 must be filed before the end of the second business day following the day on which a transaction resulting in a change in beneficial ownership has been executed."
Kazimirski, for example, filed his "planned sale" form 144 on May 10th. According to the rule above, the fact that there is no corresponding Form 4 by today indicates that he still hadn't sold those shares as of May 18th.
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