In the last 5 years, the 10-k has been released between March 9th and March 27th. Today's release means the 10-k is likely coming much sooner this year, maybe as soon as later today. Dale and the other insiders have to wait 2 days after the release of the 10-k before they are allowed to buy stock. Dale sold approximately $50 million of stock last summer. He could send the share price parabolic if he decides to buy back in big. With data from the ACTIV-5 coming very soon, he might buy a lot of shares very quickly to get in before data unblinds.
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