ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339AA3 Class: NOTE 2.500% 2/0

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q3 2019
Shares 80,800 Value ($000) $8,984 Avg Close — Range —
Q2 2019
Shares 80,800 Value ($000) $7,550 Avg Close — Range —
Q1 2019
Shares 10,000 Value ($000) $960 Avg Close — Range —
Q1 2018
Shares 6,000 Value ($000) $552 Avg Close — Range —