PFENEX INC

CUSIP: 717071104 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2014
Shares 328,100 Value ($000) $2,402 Avg Close — Range —
Q3 2014
Shares 325,000 Value ($000) $2,392 Avg Close — Range —