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
DermTech, Inc. (DMTK)
Sector: Healthcare; Industry: Diagnostics & Research

DermTech, Inc., a molecular diagnostic company, develops and markets novel non-invasive diagnostic tests to diagnosis skin cancer and related conditions in the United States. The company is also developing non-melanoma skin cancer diagnostic and non-melanoma skin cancer risk assessment products. The company sells its products primarily to pathology and oncology practitioners.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-01-11 Posard Matthew L. Director Buy 33,898 $29.50 $999,991 No
2021-01-07 RTW INVESTMENTS, LP 10%-Owner Buy 200,000 $29.50 $5,900,000 No
2020-12-11 Jansen Burkhard Chief Medical Officer Sell 5,000 $12.20 $61,000 No
2020-12-14 PANCOAST SCOTT R Director Sell 6,000 $13.93 $83,569 No
2020-12-14 Jansen Burkhard Chief Medical Officer Sell 5,000 $12.41 $62,050 No
2020-12-08 Wood Todd Michael Chief Commercial Officer Sell 428 $11.86 $5,076 No
2020-12-08 Ibarra Claudia Chief Operating Officer Sell 2,421 $11.86 $28,713 No
2020-12-08 Dobak John Chief Executive Officer Sell 786 $11.86 $9,322 No
2020-12-07 PANCOAST SCOTT R Director Sell 2,382 $12.00 $28,584 No
2020-09-10 Wood Todd Michael Chief Commercial Officer Sell 1,345 $10.82 $14,558 No
2020-09-10 Dobak John Chief Executive Officer Sell 2,470 $10.82 $26,735 No
2020-09-10 Ibarra Claudia Chief Operating Officer Sell 7,605 $10.82 $82,316 No
2020-02-28 Picozza Enrico Director Buy 76,228 $10.50 $800,394 Yes
2020-04-01 RTW INVESTMENTS, LP 10%-Owner Buy 31,539 $10.55 $332,637 No
2020-03-05 RTW INVESTMENTS, LP 10%-Owner Buy 41,402 $14.60 $604,394 No
2020-03-02 RTW INVESTMENTS, LP 10%-Owner Buy 167,456 $10.71 $1,793,216 Yes
2019-07-22 COWEN INC. 10%-Owner Buy 12,062 $10.31 $124,342 No
2017-06-23 Shukla Rajiv CEO & Chairman Buy 425,000 $10.00 $4,250,000 No

Insider Smart

Enphase Energy, Inc (ENPH) - Watch for CEO Kothandaraman Badrinarayanan and CFO Branderiz Eric, their trading have a good pattern you can't miss, very well timed buy low and sell high.