ATYR PHARMA INC

CUSIP: 002120103 Class: COM

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q2 2019
Shares 3,209,955 Value ($000) $1,176 Avg Close — Range —
Q1 2019
Shares 3,209,955 Value ($000) $1,766 Avg Close — Range —
Q4 2018
Shares 1,384,300 Value ($000) $686 Avg Close — Range —
Q3 2018
Shares 1,384,300 Value ($000) $1,125 Avg Close — Range —
Q2 2018
Shares 1,384,300 Value ($000) $1,260 Avg Close — Range —
Q1 2018
Shares 1,384,300 Value ($000) $3,668 Avg Close — Range —
Q4 2017
Shares 1,384,300 Value ($000) $4,845 Avg Close — Range —
Q3 2017
Shares 1,777,784 Value ($000) $8,978 Avg Close — Range —