Filings for Feb 7, 2023 show insider purchases at 29 companies, adding up to roughly $1.9 million. The biggest was KAL (Kalera Public Ltd Co), where de Jong Brent led about $499,000 of buying.
49 companies had three or more insiders buying in the past 30 days. Six of the buys came from a CEO or CFO. One buy doesn't make a thesis, but it's a good place to start digging.