DIMENSION THERAPEUTICS INC

CUSIP: 25433V105 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q3 2017
Shares 225,000 Value ($000) $1,350 Avg Close — Range —
Q2 2017
Shares 271,370 Value ($000) $393 Avg Close — Range —
Q1 2017
Shares 271,370 Value ($000) $475 Avg Close — Range —
Q4 2016
Shares 271,370 Value ($000) $1,180 Avg Close — Range —
Q3 2016
Shares 271,370 Value ($000) $2,168 Avg Close — Range —
Q2 2016
Shares 271,370 Value ($000) $1,628 Avg Close — Range —
Q1 2016
Shares 271,370 Value ($000) $2,125 Avg Close — Range —
Q4 2015
Shares 271,370 Value ($000) $3,061 Avg Close — Range —