SYNTHORX INC

CUSIP: 87167A103 Class: COM

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

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

Q4 2019
Shares 9,724,598 Value ($000) $679,652 Avg Close — Range —
Q3 2019
Shares 9,724,598 Value ($000) $158,219 Avg Close — Range —
Q2 2019
Shares 9,724,598 Value ($000) $131,379 Avg Close — Range —
Q1 2019
Shares 9,724,598 Value ($000) $198,090 Avg Close — Range —
Q4 2018
Shares 9,724,598 Value ($000) $169,014 Avg Close — Range —