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
Ivanhoe Capital Acquisition Corp. (IVAN)


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2022-12-02 Gan Hong CHIEF SCIENCE OFFICER Sell 15,000 $4.82 $72,254 Yes
2022-11-25 Gan Hong CHIEF SCIENCE OFFICER Sell 30,000 $4.78 $143,535 Yes
2022-11-18 Makharia Rohit PRES. & CHIEF OP. OFFICER Sell 84,597 $4.97 $420,619 Yes
2022-11-21 Gan Hong CHIEF SCIENCE OFFICER Sell 30,000 $4.73 $141,928 Yes
2022-08-22 Nealis Jing CHIEF FINANCIAL OFFICER Sell 60,000 $4.72 $283,347 No
2022-08-18 Nealis Jing CHIEF FINANCIAL OFFICER Sell 80,000 $4.86 $389,020 No
2022-08-16 Makharia Rohit PRES. & CHIEF OP. OFFICER Sell 246,630 $5.14 $1,267,325 Yes
2022-06-13 Ban Joanne CHIEF LEGAL & CORP. OFFICER Sell 26,859 $4.03 $108,293 Yes
2022-06-14 Hu Qichao CEO & CHAIRMAN Buy 25,000 $3.83 $95,798 No
2022-02-04 FRIEDLAND ROBERT M Director Buy 40,000 $7.57 $302,800 Yes
2021-07-20 FRIEDLAND ROBERT M Chairman and CEO Buy 50,000 $9.88 $494,000 Yes

Insider Smart

Upwork Inc (UPWK) - GRETSCH GREGORY C. Director of Upwork, made a bulk buy of 500K shares right before the big gap up, which is also the largest buy of the past 12 months.

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.