CHIASMA INC

CUSIP: 16706W102 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q1 2020
Shares 1,512,627 Value ($000) $5,521 Avg Close — Range —
Q4 2019
Shares 3,043,827 Value ($000) $15,097 Avg Close — Range —
Q3 2019
Shares 3,043,827 Value ($000) $15,067 Avg Close — Range —
Q2 2019
Shares 3,043,827 Value ($000) $22,737 Avg Close — Range —
Q1 2019
Shares 3,043,827 Value ($000) $15,828 Avg Close — Range —
Q4 2018
Shares 379,753 Value ($000) $1,181 Avg Close — Range —
Q3 2018
Shares 379,753 Value ($000) $1,367 Avg Close — Range —