PFENEX INC

CUSIP: 717071104 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 519,773 Value ($000) $1,383 Avg Close — Range —
Q3 2017
Shares 845,973 Value ($000) $2,555 Avg Close — Range —
Q2 2017
Shares 845,973 Value ($000) $3,392 Avg Close — Range —
Q1 2017
Shares 892,847 Value ($000) $5,187 Avg Close — Range —
Q4 2016
Shares 914,376 Value ($000) $8,293 Avg Close — Range —
Q3 2016
Shares 939,930 Value ($000) $8,412 Avg Close — Range —
Q2 2016
Shares 960,877 Value ($000) $8,043 Avg Close — Range —
Q1 2016
Shares 960,877 Value ($000) $9,446 Avg Close — Range —
Q4 2015
Shares 960,877 Value ($000) $11,896 Avg Close — Range —
Q3 2015
Shares 971,043 Value ($000) $14,575 Avg Close — Range —
Q2 2015
Shares 1,010,877 Value ($000) $19,611 Avg Close — Range —
Q1 2015
Shares 866,423 Value ($000) $13,811 Avg Close — Range —
Q4 2014
Shares 404,665 Value ($000) $2,962 Avg Close — Range —
Q3 2014
Shares 400,000 Value ($000) $2,944 Avg Close — Range —