Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
Root, Inc. (ROOT)


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2022-12-21 Malka Meyer 10%-Owner Sell 54,336 $4.80 $260,814 No
2020-12-30 Malka Meyer 10%-Owner Buy 753,976 $16.55 $12,477,184 No
2020-10-30 Malka Meyer 10%-Owner Buy 1,000,000 $27.00 $27,000,000 No

Insider Smart

Celldex Therapeutics, Inc. (CLDX) - Multiple insiders including President, EVP, CEO, CSO and Directors bought shares on Jun.9th, first time since 2018, this was very convincing and we initiated a position. Stock soared from $3 to 9$ in 2 days, and the run is still going on.

Insider Smart

Altimmune, Inc. (ALT) - Venrock Healthcare Capital Partners III, L.P., 10%-owner of ALT bought 1.3M shares in late May then added another 1.5M shares in June with an averaged ~$8 per share. 10 days after the accumulation, ALT price jumped to $10.