Looking at the overall share volume traded over this period it is hard to explain why STKL did not move much higher on these purchases by West Face. IMHO

Date of Transaction
Number of Shares Acquired or (Disposed of)
Approximate Price Per Share
10-Jan-12
300,000
4.27
12-Jan-12
100,000
4.55
24-Jan-12
85,000
4.32
25-Jan-12
73,900
4.44
26-Jan-12
70,300
4.53
3-Feb-12
16,000
5.06
6-Feb-12
166,400
5.22
7-Feb-12
21,000
5.23
10-Feb-12
47,600
5.24
13-Feb-12
120,000
5.33
14-Feb-12
48,800
5.31
15-Feb-12
50,900
5.37
16-Feb-12
100,000
5.38
17-Feb-12
30,000
5.32
21-Feb-12
100,000
5.36
22-Feb-12
500,000
5.38