ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q2 2019
Shares 20,000 Value ($000) $235 Avg Close — Range —
Q1 2019
Shares 30,000 Value ($000) $410 Avg Close — Range —
Q3 2017
Shares 30,000 Value ($000) $368 Avg Close — Range —
Q1 2017
Shares 10,000 Value ($000) $208 Avg Close — Range —