Filings for Jun 16, 2021 show insider purchases at 36 companies, adding up to roughly $257.7 million. The biggest was UHAL (AMERCO /NV/), where Foster Road LLC led about $135.4 million of buying.
97 companies had three or more insiders buying in the past 30 days. CEOs and CFOs show up 9 times in today's list. One buy doesn't make a thesis, but it's a good place to start digging.