Insider activity at major Bay Area companies reported April 10-16. BUYSSharesAvg. priceValueInsidersEquinix Inc.71,00$171.70$12,345,2301Neonode Inc.2,005.08101,5041SELLSSharesAvg. priceValueInsidersAudience Inc.10,000$11.76$117,5541Facebook Inc.36,00061.342,208,2401Google Inc.50,118539.7527,050,9917Infoblox Inc.17,56418.68328,0341Informatica Corp.47,79637.201,778,0521OpenTable Inc.2,62977.20202,9711Oracle Corp.452,50040.3518,259,6602Saba Software Inc.30,20011.41344,6901Splunk Inc.36,50062.522,282,0644Xilinx Inc.93753.3750,0081Yelp Inc.25,00069.791,744,8261Source: The Washington Service