PFENEX INC

CUSIP: 717071104 Class: COM

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

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

Q4 2016
Shares 40,147 Value ($000) $364 Avg Close — Range —
Q3 2016
Shares 40,167 Value ($000) $359 Avg Close — Range —
Q2 2016
Shares 40,167 Value ($000) $336 Avg Close — Range —
Q1 2016
Shares 41,520 Value ($000) $371 Avg Close — Range —
Q4 2015
Shares 41,520 Value ($000) $514 Avg Close — Range —