ACCELERON PHARMA INC

CUSIP: 00434H108 Class: COMMON STOCK

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2021
Shares 145,000 Value ($000) $24,955 Avg Close — Range —
Q2 2021
Shares 219,500 Value ($000) $27,545 Avg Close — Range —
Q1 2021
Shares 219,500 Value ($000) $29,766 Avg Close — Range —
Q4 2020
Shares 421,619 Value ($000) $53,942 Avg Close — Range —
Q3 2020
Shares 421,619 Value ($000) $47,445 Avg Close — Range —
Q2 2020
Shares 421,619 Value ($000) $40,168 Avg Close — Range —
Q1 2020
Shares 343,000 Value ($000) $30,825 Avg Close — Range —
Q4 2019
Shares 1,369,625 Value ($000) $72,618 Avg Close — Range —
Q3 2019
Shares 1,305,174 Value ($000) $51,567 Avg Close — Range —
Q2 2019
Shares 1,305,174 Value ($000) $53,617 Avg Close — Range —
Q1 2019
Shares 1,255,174 Value ($000) $58,453 Avg Close — Range —
Q4 2018
Shares 1,386,541 Value ($000) $60,384 Avg Close — Range —
Q3 2018
Shares 1,117,651 Value ($000) $63,963 Avg Close — Range —
Q2 2018
Shares 1,126,800 Value ($000) $54,672 Avg Close — Range —
Q1 2018
Shares 615,000 Value ($000) $24,047 Avg Close — Range —
Q4 2017
Shares 615,000 Value ($000) $26,101 Avg Close — Range —
Q3 2017
Shares 615,000 Value ($000) $22,952 Avg Close — Range —
Q1 2016
Shares 353,491 Value ($000) $9,329 Avg Close — Range —
Q4 2015
Shares 213,491 Value ($000) $10,410 Avg Close — Range —