CHIASMA INC

CUSIP: 16706W102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2021
Shares 58,907 Value ($000) $279 Avg Close — Range —
Q1 2021
Shares 58,626 Value ($000) $184 Avg Close — Range —
Q4 2020
Shares 2,964 Value ($000) $13 Avg Close — Range —
Q3 2020
Shares 1,400 Value ($000) $6 Avg Close — Range —
Q2 2020
Shares 19,167 Value ($000) $103 Avg Close — Range —
Q1 2020
Shares 2,000 Value ($000) $7 Avg Close — Range —