Why insider trading matters?

When insiders buy shares on the open market, this can thus be regarded as a strong endorsement by those that know the company the best -- they are literally betting their own money on the company's future. Insider selling, however, is not necessarily meaningful in any way, as there is a range of reasons for insiders to liquidate (some) of the shares they own.

- Seeking Alpha
Tracon Pharmaceuticals, Inc. (TCON)
Sector: Healthcare; Industry: Biotechnology

TRACON Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of therapeutics for cancer and wet age-related macular degeneration (AMD). The company also develops TRC102, a small molecule that is in Phase II clinical trial for mesothelioma, Phase I clinical trial for solid tumors and lung cancer, and Phase I/II clinical trial for solid tumors and lymphomas; and TRC253, a small molecule high affinity competitive inhibitor of wild type androgen receptor (AR) and multiple AR mutant receptors that is in Phase I/II clinical trial for the treatment prostate cancer. The company has license agreements with Ambrx, Inc.; Santen Pharmaceutical Co. Ltd.; Roswell Park Cancer Institute and Health Research Inc.; Case Western Cancer Center; and Lonza Sales AG, as well as a cooperative research and development agreement with National Cancer Institute. TRACON Pharmaceuticals, Inc. was founded in 2004 and is headquartered in San Diego, California.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2015-10-05 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 15,100 $10.08 $152,256 No
2015-09-25 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 7,600 $12.13 $92,164 No
2015-09-24 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 22,303 $12.99 $289,746 No
2015-09-22 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 39,426 $14.02 $552,736 No
2015-09-18 LOGAN H CASEY Chief Business Officer Sell 5,000 $17.34 $86,700 Yes
2015-09-18 THEUER CHARLES President and CEO Sell 10,000 $17.34 $173,400 Yes
2015-09-17 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 42,344 $11.78 $498,928 No
2015-09-14 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 60,038 $11.78 $707,012 No
2015-09-10 THEUER CHARLES President and CEO Sell 3,516 $12.00 $42,192 No
2015-09-09 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 24,300 $10.59 $257,409 No
2015-09-03 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 15,300 $10.51 $160,839 No
2015-09-01 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 14,000 $10.42 $145,938 No
2015-08-24 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 3,000 $11.00 $33,000 No
2015-08-20 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 10,683 $11.36 $121,391 No
2015-08-18 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 11,174 $11.71 $130,811 No
2015-08-14 THEUER CHARLES President and CEO Sell 100 $12.00 $1,200 No
2015-08-13 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 9,361 $11.60 $108,571 No
2015-08-12 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 5,800 $11.40 $66,146 No
2015-08-10 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 8,300 $11.59 $96,209 No
2015-08-10 JAFCO Super V3 Investment Limited Partnership 10%-Owner Sell 8,300 $11.59 $96,209 No
2015-02-04 JAFCO Super V3 Investment Limited Partnership 10%-Owner Buy 257,950 $10.00 $2,579,500 No
2015-02-04 Weller Harry R 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 Viswanathan Ravi 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 Sonsini Peter W. 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 SANDELL SCOTT D 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 MOTT DAVID M 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 KOLLURI KRISHNA KITTU 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 KERINS PATRICK J 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 Florence Anthony A. Jr. 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes
2015-02-04 DRANT RYAN D 10%-Owner Buy 500,000 $10.00 $5,000,000 Yes

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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.