San Francisco-based Splunk, which develops enterprise indexing software, has set the initial pricing range for its IPO. The firm said in a filing this morning that it expects to price its IPO at between $8.00 and $10.00 a share. The firm has applied to list on the NASDAQ Global Select Market as SPLK. Splunk is venture backed by August Capital, Sevin Rosen, JK&B Capital, and Ignition Partners, among others. The firm first filed for an IPO on January 13th.