FIBROGEN INC

CUSIP: 31572Q808 Class: Common Stock

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q1 2018
Shares 39,779 Value ($000) $1,838 Avg Close — Range —
Q4 2017
Shares 119,779 Value ($000) $5,678 Avg Close — Range —
Q3 2017
Shares 129,779 Value ($000) $6,982 Avg Close — Range —
Q2 2017
Shares 165,700 Value ($000) $5,352 Avg Close — Range —
Q1 2017
Shares 165,700 Value ($000) $4,085 Avg Close — Range —
Q4 2016
Shares 155,700 Value ($000) $3,332 Avg Close — Range —
Q3 2016
Shares 145,700 Value ($000) $3,016 Avg Close — Range —
Q2 2016
Shares 85,700 Value ($000) $1,406 Avg Close — Range —