ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

Senator Investment Group LP's Holding History (CIK: 0001443689)

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

Q3 2016
Shares 1,000,000 Value ($000) $32,770 Avg Close — Range —
Q2 2016
Shares 701,301 Value ($000) $17,511 Avg Close — Range —