Tech firms' insider trades, Dec. 1-7 Insider activity at major Bay Area tech companies reported Dec. 1 - 7 BUYSSharesAvg. priceValueInsidersHewlett Packard Co.23,010$12.98$298,8601Juniper Networks Inc.16,66518.00299,9701VMware Inc.231,42590.8821,030,9231SELLSSharesAvg. priceValueInsidersMaxim Integrated Products63753$28.99$1,848,4174Xilinx Inc.23,00034.64796,6901Advance Micro Devices 1,0002.272,2701Apple Inc.15,000583.9987,59,8711EBay Inc.60,00052.183,131,0341Facebook Inc.182,74427.845,087,8932Google Inc.102,620691.6270,973,6903Juniper Networks Inc.2,10117.9937,8041Keynote Systems Inc.10,73913.41144,0351Linear Technology Corp.80,00033.142,651,2502LSI Corp.21,6006.73145,3771Salesforce.com Inc.77,722157.7112,215,6746SanDisk Corp.10,00040.00400,0001Splunk Inc.31,63028.07887,8463Support.com Inc.30,1464.43133,4111Vocera Communications Inc.234,76725.005,869,2282Yelp Inc.526,92119.0610,043,4692Source: The Washington Service ( www.washingtonservice.com)