The latest short interest report (was it just yesterday?) shows 4,182,390 shares.....which is about 500,000 less than last reported. The settlement date was 9/13/13
They entered more so the next week
Historian...if you look at the INSM chart, you will notice that the volume spike doesn't start until the 14th..so
with that said,,one might draw the conclusion that the short surge took place after the last reported
thank you insmhistorian. Zake is correct on the dates too. $14 vol surge but many shorted well below $14 too.