Why insider trading matters?

Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.

- Peter Lynch
Gritstone Oncology, Inc. (GRTS)
Sector: Healthcare; Industry: Biotechnology

Gritstone Oncology, Inc., an immuno-oncology company, engages in developing tumor-specific cancer immunotherapies to fight various cancer types.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-12-01 Jones Erin Chief Operating Officer Sell 1,000 $13.01 $13,010 Yes
2021-11-01 Jones Erin Chief Operating Officer Sell 1,000 $11.14 $11,140 Yes
2021-10-04 Jones Erin nan Sell 2,000 $10.70 $21,390 Yes
2021-09-08 Jones Erin nan Sell 2,000 $11.37 $22,748 Yes
2021-11-01 Jones Erin nan Sell 1,000 $11.14 $11,140 Yes
2021-10-04 Jones Erin nan Sell 2,000 $10.70 $21,390 Yes
2021-05-27 Rousseau Raphael nan Sell 2,900 $9.00 $26,112 Yes
2021-01-20 Rousseau Raphael nan Sell 30,000 $20.04 $601,269 Yes
2021-01-19 Yelensky Roman nan Sell 10,000 $22.10 $221,029 No
2020-12-30 Woiwode Thomas Director Buy 1,347,709 $3.71 $5,000,000 No
2019-08-21 Rousseau Raphael See Remarks Sell 10,000 $10.76 $107,631 Yes
2018-09-28 Simon Nicholas 10%-Owner, Director Buy 333,333 $15.00 $4,999,995 Yes
2018-09-28 Clarus Lifesciences III, L.P. 10%-Owner Buy 333,333 $15.00 $4,999,995 Yes

Insider Smart

PROSPECT CAPITAL CORP (PSEC) - PSEC is the 2nd most bought stock of the past 90 days by insiders, CEO seems very confident about the company.

Insider Smart

MGM Resorts International (MGM) - If we were to pick one of the easy trade from the crash, it has to be MGM, checkout the impressive insider buying after crash. Do you really need more confidence to pull the trigger? That's the mental edge you need to work against fear.