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
Altimeter Growth Corp. 2 (AGCB)

Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-01-11 Hariharan Anu Director Buy 200,000 $10.00 $2,000,000 No
2021-01-11 Reese Lexi Director Buy 75,000 $10.00 $750,000 No
2021-01-11 Lynch Anita Director Buy 1,000 $10.00 $10,000 No
2021-01-11 BARTON RICHARD N Director Buy 250,000 $10.00 $2,500,000 No

Insider Smart

Edesa Biotech, Inc. (EDSA) - President and CEO bought shares of EDSA in late May around $3, two weeks after their purchase, the stock jump to $9, very well timed buy.

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.