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BlackRock Investment Management, LLC > NGG

DateNameTickerSharesChangeValueChangePrice
12/31/2016NATIONAL GRID PLCNGG0-2040-14,000 
09/30/2016NATIONAL GRID PLCNGG20420414,00014,000$68.63
03/31/2016NATIONAL GRID PLCNGG0-8300-58,000 
12/31/2015NATIONAL GRID PLCNGG83053258,00037,000$69.88
09/30/2015NATIONAL GRID PLCNGG29829821,00021,000$70.47
06/30/2015NATIONAL GRID PLCNGG0-5000-32,000 
03/31/2015NATIONAL GRID PLCNGG500-1,26032,000-72,000$64.00
12/31/2014NATIONAL GRID PLCNGG1,553-247110,000-19,000$70.83
09/30/2014NATIONAL GRID PLCNGG1,80040129,00025,000$71.67
06/30/2014NATIONAL GRID PLCNGG1,800-440134,000-12,000$74.44
03/31/2014NATIONAL GRID PLCNGG1,800-440124,000-22,000$68.89
12/31/2013NATIONAL GRID PLCNGG2,240480146,00042,000$65.18
09/30/2013NATIONAL GRID PLCNGG1,7601,760104,000104,000$59.09
06/30/2013NATIONAL GRID PLCNGG1,7601,254100,00071,000$56.82
03/31/2013NATIONAL GRID PLCNGG2,0601,554120,00091,000$58.25
12/31/2012NATIONAL GRID PLCNGG50650629,00029,000$57.31
09/30/2012NATIONAL GRID PLCNGG0-1610-9,000 
06/30/2012NATIONAL GRID PLCNGG1611289,0007,000$55.90
03/31/2012NATIONAL GRID PLCNGG33332,0002,000$60.61
12/31/2011NATIONAL GRID PLCNGG0-2230-11,000 
09/30/2011NATIONAL GRID PLCNGG22320511,00010,000$49.33
06/30/2011NATIONAL GRID PLCNGG1831,0000$55.56
03/31/2011NATIONAL GRID PLCNGG15-91,0000$66.67
03/31/2011NATIONAL GRID PLCNGG15-91,0000$66.67
12/31/2010NATIONAL GRID PLCNGG24-144,2321,000-5,312,000$41.67
06/30/2010NATIONAL GRID PLCNGG144,256144,2455,313,0005,312,000$36.83
09/30/2009NATIONAL GRID PLCNGG1141,000683$90.91
06/30/2009NATIONAL GRID PLCNGG7-189317-7,683$45.23
03/31/2009NATIONAL GRID PLCNGG1961968,0008,000$40.82
12/31/2008NATIONAL GRID PLCNGG0-56,2220-3,611,000 
09/30/2008NATIONAL GRID PLCNGG56,222-4,8803,611,000-420,000$64.23
06/30/2008NATIONAL GRID PLCNGG61,102-1,6514,031,000-357,000$65.97
03/31/2008NATIONAL GRID PLCNGG62,753-1,1834,388,000-947,000$69.92
12/31/2007NATIONAL GRID PLCNGG63,936-935,335,000198,000$83.44
09/28/2007NATIONAL GRID PLCNGG64,0292,8495,137,000694,000$80.23
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