Insider buyers were busy on Mar 18, 2021: 37 companies, $155.7 million in open-market purchases all told. At the top: MRKR, $106.2 million bought, with SANDELL SCOTT D as the largest buyer.
83 companies had three or more insiders buying in the past 30 days. CEOs and CFOs show up 7 times in today's list. One buy doesn't make a thesis, but it's a good place to start digging.