Insider trading on December 18, 2024
2 insiders at 2 companies bought $1M of their own stock on the open market, across 2 transactions. The largest was Scully William P, 10% Owner, buying $1M of Prothena Corp Public Ltd Co (PRTA).
Insiders sold $232.5K across 1 open-market sale. That is 0.2× the value bought. Selling routinely outweighs buying, because most executive pay is delivered in stock.
Open-market purchases
Code P only — insiders spending their own money, largest first.
Open-market sales
Pre-arranged 10b5-1 trades are marked.