IDERA PHARMACEUTICALS INC

CUSIP: 45168K306 Class: CMN

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q1 2018
Shares 38,641,462 Value ($000) $71,100 Avg Close — Range —
Q4 2017
Shares 18,315,802 Value ($000) $38,646 Avg Close — Range —
Q3 2017
Shares 10,306,757 Value ($000) $22,984 Avg Close — Range —
Q2 2017
Shares 10,294,970 Value ($000) $17,707 Avg Close — Range —
Q1 2017
Shares 10,286,483 Value ($000) $25,408 Avg Close — Range —
Q4 2016
Shares 10,272,314 Value ($000) $15,408 Avg Close — Range —
Q3 2016
Shares 7,014,015 Value ($000) $17,956 Avg Close — Range —
Q2 2016
Shares 7,000,977 Value ($000) $10,711 Avg Close — Range —
Q1 2016
Shares 6,990,189 Value ($000) $13,841 Avg Close — Range —
Q4 2015
Shares 6,983,107 Value ($000) $21,578 Avg Close — Range —
Q3 2015
Shares 6,976,162 Value ($000) $23,370 Avg Close — Range —
Q2 2015
Shares 6,970,902 Value ($000) $25,862 Avg Close — Range —
Q1 2015
Shares 6,965,432 Value ($000) $25,842 Avg Close — Range —
Q4 2014
Shares 1,628,172 Value ($000) $7,181 Avg Close — Range —
Q3 2014
Shares 1,619,258 Value ($000) $3,708 Avg Close — Range —
Q2 2014
Shares 1,613,076 Value ($000) $4,678 Avg Close — Range —
Q1 2014
Shares 1,613,076 Value ($000) $6,581 Avg Close — Range —
Q4 2013
Shares 3,171,765 Value ($000) $14,685 Avg Close — Range —
Q3 2013
Shares 5,865,000 Value ($000) $10,205 Avg Close — Range —
Q2 2013
Shares 4,500,000 Value ($000) $2,948 Avg Close — Range —