ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2018
Shares 500 Value ($000) $5 Avg Close — Range —
Q3 2018
Shares 95 Value ($000) $2 Avg Close — Range —
Q2 2018
Shares 8,054 Value ($000) $128 Avg Close — Range —
Q4 2017
Shares 1,958 Value ($000) $22 Avg Close — Range —
Q4 2016
Shares 4,227 Value ($000) $88 Avg Close — Range —
Q3 2016
Shares 9 Value ($000) $0 Avg Close — Range —
Q1 2016
Shares 2,434 Value ($000) $60 Avg Close — Range —
Q4 2015
Shares 312 Value ($000) $10 Avg Close — Range —
Q3 2015
Shares 177 Value ($000) $6 Avg Close — Range —
Q2 2015
Shares 971 Value ($000) $51 Avg Close — Range —
Q1 2015
Shares 1,965 Value ($000) $57 Avg Close — Range —
Q4 2014
Shares 733 Value ($000) $21 Avg Close — Range —
Q2 2014
Shares 6,058 Value ($000) $122 Avg Close — Range —