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
iTeos Therapeutics, Inc. (ITOS)


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-09-22 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 33,929 $27.50 $933,030 No
2021-09-22 GADICKE ANSBERT 10%-Owner Sell 56,779 $27.50 $1,561,394 No
2021-09-20 MPM BioVentures 2014, L.P. 10%-Owner Sell 91,254 $28.38 $2,590,097 No
2021-09-20 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 91,254 $28.38 $2,590,097 No
2021-09-20 GADICKE ANSBERT 10%-Owner Sell 152,711 $28.38 $4,334,452 No
2021-09-15 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 45,665 $27.70 $1,264,910 No
2021-09-13 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 57,640 $28.32 $1,632,261 No
2021-09-02 Detheux Michel Chief Executive Officer Sell 20,252 $28.66 $580,518 No
2021-06-14 Detheux Michel Chief Executive Officer Sell 29,000 $28.50 $826,534 No
2021-06-08 McGrath Yvonne VP, Research and Development Sell 7,927 $20.00 $158,540 Yes
2021-06-02 McGrath Yvonne VP, Research and Development Sell 7,927 $20.17 $159,903 Yes
2021-05-24 McGrath Yvonne VP, Research and Development Sell 7,927 $21.92 $173,796 Yes
2021-05-17 McGrath Yvonne VP, Research and Development Sell 7,926 $24.69 $195,719 Yes
2021-04-09 MPM BioVentures 2014, L.P. 10%-Owner Sell 119 $29.99 $3,569 No
2021-04-09 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 119 $29.99 $3,569 No
2021-04-09 GADICKE ANSBERT 10%-Owner Sell 200 $29.99 $5,998 No
2021-04-08 MPM BioVentures 2014, L.P. 10%-Owner Sell 25,087 $30.99 $777,343 No
2021-04-08 MPM BIOVENTURES 2018, L.P. 10%-Owner Sell 25,087 $30.99 $777,343 No
2020-07-28 Davis Aaron I. 10%-Owner, Director Buy 1,425,000 $19.00 $27,075,000 Yes
2020-07-28 GADICKE ANSBERT X* Buy 320,000 $19.00 $6,080,000 Yes
2020-07-28 MPM BioVentures 2014, L.P. 10%-Owner Buy 160,000 $19.00 $3,040,000 Yes
2020-07-28 Boxer Capital, LLC 10%-Owner Buy 1,425,000 $19.00 $27,075,000 Yes
2020-07-28 RA CAPITAL MANAGEMENT, L.P. 10%-Owner Buy 1,425,000 $19.00 $27,075,000 Yes
2020-07-28 MPM BioVentures 2014, L.P. 10%-Owner Buy 160,000 $19.00 $3,040,000 Yes

Insider Smart

VBI Vaccines Inc (VBIV) - Since 10%-owner Perceptive Advisor LCC increased their holding in April, the stock have double the price. Impressive!

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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.