ATYR PHARMA INC

CUSIP: 002120103 Class: COM

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

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

Q4 2018
Shares 100 Value ($000) $0 Avg Close — Range —
Q1 2018
Shares 14,956 Value ($000) $40 Avg Close — Range —
Q4 2017
Shares 11,777 Value ($000) $41 Avg Close — Range —
Q4 2016
Shares 1,123 Value ($000) $2 Avg Close — Range —
Q3 2016
Shares 1,509 Value ($000) $4 Avg Close — Range —
Q2 2016
Shares 2,911 Value ($000) $8 Avg Close — Range —
Q1 2016
Shares 1 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 1,215 Value ($000) $12 Avg Close — Range —
Q2 2015
Shares 75 Value ($000) $1 Avg Close — Range —