Insider buyers were busy on Aug 13, 2026: 40 companies, $45.7 million in open-market purchases all told. The biggest was ATTO (Attovia Therapeutics, Inc.), where WALSH COLIN led about $20.6 million of buying.
49 companies had three or more insiders buying in the past 30 days. CEOs and CFOs show up 8 times in today's list. Each filing is linked below if you want to check the details yourself.