METABOLIX INC

CUSIP: 591018882 Class: COM

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

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

Q4 2016
Shares 2,752 Value ($000) $1 Avg Close — Range —
Q3 2016
Shares 2,752 Value ($000) $1 Avg Close — Range —
Q2 2016
Shares 2,752 Value ($000) $2 Avg Close — Range —
Q1 2016
Shares 2,752 Value ($000) $5 Avg Close — Range —
Q4 2015
Shares 2,752 Value ($000) $4 Avg Close — Range —
Q3 2015
Shares 5,500 Value ($000) $8 Avg Close — Range —