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Ownership
SC 13D/A
SKYSTAR BIO-PHARMACEUTICAL CO
2 Jun 15
SC 13D/A
Tribute Pharmaceuticals Canada Inc.
16 Mar 15
SC 13D/A
Tribute Pharmaceuticals Canada Inc.
27 Feb 15
SC 13D/A
SKYSTAR BIO-PHARMACEUTICAL CO
4 Feb 15
SC 13D/A
SKYSTAR BIO-PHARMACEUTICAL CO
28 May 14
SC 13D/A
SKYSTAR BIO-PHARMACEUTICAL CO
15 Apr 14
SC 13D/A
SKYSTAR BIO-PHARMACEUTICAL CO
2 Apr 14
SC 13D
SKYSTAR BIO-PHARMACEUTICAL CO
24 Mar 14
SC 13D/A
SINOVAC BIOTECH LTD
5 Mar 14
SC 13D/A
Tribute Pharmaceuticals Canada Inc.
11 Mar 13