BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q4 2019
Shares 64,500 Value ($000) $5,660 Avg Close — Range —
Q2 2019
Shares 75,000 Value ($000) $9,540 Avg Close — Range —
Q1 2019
Shares 83,796 Value ($000) $13,184 Avg Close — Range —
Q4 2018
Shares 138,796 Value ($000) $13,769 Avg Close — Range —
Q3 2018
Shares 78,396 Value ($000) $11,446 Avg Close — Range —
Q2 2018
Shares 72,483 Value ($000) $11,376 Avg Close — Range —
Q2 2016
Shares 40,000 Value ($000) $1,732 Avg Close — Range —
Q1 2016
Shares 30,000 Value ($000) $1,275 Avg Close — Range —
Q3 2014
Shares 53,405 Value ($000) $1,916 Avg Close — Range —
Q1 2014
Shares 57,435 Value ($000) $1,306 Avg Close — Range —
Q4 2013
Shares 92,435 Value ($000) $1,939 Avg Close — Range —