ENZON PHARMACEUTICALS INC

Ticker: ENZN CUSIP: 293904108 Class: CMN

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

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

Q4 2015
Shares 798 Value ($000) $1 Avg Close $0.10 Range $0.08 - $0.14
Q3 2015
Shares 1,998 Value ($000) $2 Avg Close $0.13 Range $0.10 - $0.17
Q2 2015
Shares 2,298 Value ($000) $3 Avg Close $0.11 Range $0.09 - $0.16
Q1 2015
Shares 1,998 Value ($000) $2 Avg Close $0.09 Range $0.08 - $0.11
Q4 2014
Shares 2,098 Value ($000) $2 Avg Close $0.08 Range $0.07 - $0.09
Q3 2014
Shares 20,500 Value ($000) $22 Avg Close $0.10 Range $0.08 - $0.14
Q2 2014
Shares 15,700 Value ($000) $16 Avg Close $0.07 Range $0.06 - $0.09
Q1 2014
Shares 16,122 Value ($000) $17 Avg Close $0.08 Range $0.06 - $0.10
Q3 2013
Shares 4,583 Value ($000) $8 Avg Close $0.10 Range $0.09 - $0.12
Q2 2013
Shares 561 Value ($000) $1 Avg Close $0.09 Range $0.08 - $0.11