ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q2 2017
Shares 217,328 Value ($000) $2,488 Avg Close — Range —
Q1 2017
Shares 217,328 Value ($000) $4,520 Avg Close — Range —
Q4 2016
Shares 217,328 Value ($000) $4,520 Avg Close — Range —
Q3 2016
Shares 217,328 Value ($000) $7,122 Avg Close — Range —
Q2 2016
Shares 217,328 Value ($000) $5,427 Avg Close — Range —
Q3 2015
Shares 513,439 Value ($000) $16,820 Avg Close — Range —
Q2 2015
Shares 891,688 Value ($000) $47,233 Avg Close — Range —
Q1 2015
Shares 879,581 Value ($000) $25,385 Avg Close — Range —
Q4 2014
Shares 153,350 Value ($000) $4,461 Avg Close — Range —
Q3 2014
Shares 153,350 Value ($000) $1,944 Avg Close — Range —
Q2 2014
Shares 153,350 Value ($000) $3,078 Avg Close — Range —