Insider transactions Btw,
the insider transactions could simply be warrant holders who see the coming expiry date and the low share value...
Page 3 of the corporate presentation: https://www.tigrisuranium.com/documents/TU-PPT-Feb-2012-FINAL.pdf
5.3M warrants at 0.65$ expiring in June 2012
5.5M warrants at 1.10$ expiring in August 2012
I would also choose the public market if my warrants were more expensive than the market value.