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
Pfenex Inc. (PFNX)
Sector: Healthcare; Industry: Biotechnology

Pfenex Inc., a clinical-stage development and licensing biotechnology company, focuses on developing protein therapies for unmet patient needs. The company also develops PF743, a recombinant crisantaspase; PF745, a recombinant crisantaspase with half-life extension technology; and PF810, a peptide based next generation therapeutic which is in preclinical development, as well as offers sparX-1 (PF753) and sparX-2 (PF754). In addition, it has license and supply agreements for CRM197, a non-toxic mutant of diphtheria toxin.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2020-09-29 Weiss Asset Management LP 10%-Owner Sell 100,000 $12.74 $1,273,580 No
2020-06-16 Lucy Patrick K. Chief Business Officer Sell 770 $10.23 $7,873 Yes
2020-03-02 Lucy Patrick K. Chief Business Officer Sell 17,151 $11.24 $192,707 Yes
2019-11-27 Lucy Patrick K. Chief Business Officer Sell 3,000 $10.03 $30,104 No
2019-09-16 Lucy Patrick K. Chief Business Officer Sell 6,000 $10.01 $60,035 No
2019-09-06 Lucy Patrick K. Chief Business Officer Sell 6,000 $8.00 $48,021 No
2018-09-11 Schimmelpennink Evert B. See Remarks Buy 10,000 $5.04 $50,385 No
2018-09-11 SCHNEIDER PHILLIP M Director Buy 11,000 $4.99 $54,890 No
2018-08-22 Campbell Robin Director Buy 5,000 $4.85 $24,272 No
2017-06-12 Grenfell-Gardner Jason Director Buy 10,000 $4.51 $45,058 No
2017-05-16 Lady Patricia Chief Accounting Officer Sell 2,000 $4.78 $9,569 Yes
2017-01-06 SIGNET HEALTHCARE PARTNERS ACCREDITED PARTNERSHIP III LP 10%-Owner Sell 400 $9.50 $3,800 No
2017-01-05 SIGNET HEALTHCARE PARTNERS ACCREDITED PARTNERSHIP III LP 10%-Owner Sell 7,710 $9.50 $73,268 No
2016-12-29 SIGNET HEALTHCARE PARTNERS ACCREDITED PARTNERSHIP III LP 10%-Owner Sell 24,104 $9.66 $232,742 No
2016-12-27 SIGNET HEALTHCARE PARTNERS ACCREDITED PARTNERSHIP III LP 10%-Owner Sell 104,600 $9.58 $1,002,182 No
2016-12-22 SIGNET HEALTHCARE PARTNERS ACCREDITED PARTNERSHIP III LP 10%-Owner Sell 10,896 $9.61 $104,677 No
2016-11-21 Lady Patricia Chief Accounting Officer Sell 2,000 $9.87 $19,736 Yes
2016-11-15 Lucy Patrick K. Chief Business Officer Sell 5,000 $10.04 $50,207 No
2016-08-18 Lady Patricia Chief Accounting Officer Sell 2,000 $9.42 $18,836 Yes
2016-05-24 Lady Patricia Chief Accounting Officer Sell 2,000 $6.52 $13,043 Yes
2015-12-15 DOW CHEMICAL CO /DE/ 10%-Owner Sell 600,000 $11.75 $7,050,000 No
2015-12-03 Lucy Patrick K. Chief Business Officer Sell 1,500 $14.15 $21,231 No
2015-12-01 Talbot Henry W. Jr. VP of Operations Sell 2,000 $15.08 $30,168 No
2015-12-01 Liang Bertrand C. Chief Executive Officer Sell 5,000 $14.88 $74,417 No
2015-11-18 Lady Patricia Chief Accounting Officer Sell 2,000 $14.05 $28,101 Yes
2015-11-04 Lucy Patrick K. Chief Business Officer Sell 1,500 $17.54 $26,305 No
2015-11-02 Liang Bertrand C. Chief Executive Officer Sell 5,000 $18.01 $90,069 No
2015-10-02 Lucy Patrick K. Chief Business Officer Sell 1,500 $14.98 $22,477 No
2015-10-01 Liang Bertrand C. Chief Executive Officer Sell 5,000 $14.78 $73,905 No
2015-09-03 Lady Patricia Chief Accounting Officer Sell 2,000 $20.48 $40,960 Yes

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