SpiderRock Trading’s GulfMark Offshore, Inc. Common Stock GLF Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2014
Q4
Hold
0
-$16K 158
2014
Q3
Hold
0
327
2014
Q2
Hold
0
-$46K 1181
2014
Q1
Hold
0
131
2013
Q4
Hold
0
1215
2013
Q3
Hold
0
-$27K 1211
2013
Q2
Hold
0
146