ANTHERA PHARMACEUTICALS INC

Ticker: ANTH CUSIP: 03674U300 Class: COMMON

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

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

Q1 2018
Shares 2,361 Value ($000) $1 Avg Close $1.49 Range $0.30 - $2.97
Q3 2017
Shares 3,580 Value ($000) $5 Avg Close $1.42 Range $1.20 - $1.71