Insider buyers were busy on Jan 23, 2023: 21 companies, $6.5 million in open-market purchases all told. The biggest was ZYME (Zymeworks Inc.), where EcoR1 Capital, LLC led about $3 million of buying.
47 companies had three or more insiders buying in the past 30 days. C-suite buying: seven companies. As always, a purchase is a data point, not a recommendation.