RETROPHIN INC

CUSIP: 761299106 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q2 2016
Shares 1,225,084 Value ($000) $21,819 Avg Close — Range —
Q1 2016
Shares 1,225,084 Value ($000) $16,735 Avg Close — Range —
Q4 2015
Shares 1,224,384 Value ($000) $23,618 Avg Close — Range —
Q3 2015
Shares 1,007,660 Value ($000) $20,415 Avg Close — Range —
Q2 2015
Shares 341,650 Value ($000) $11,326 Avg Close — Range —
Q1 2015
Shares 410,000 Value ($000) $9,824 Avg Close — Range —