Insider Trading activities of American Tower Corp /ma/ insiders. , Part 3

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of American Tower Corp /ma/ since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of American Tower Corp /ma/ since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of American Tower Corp /ma/ since 2005. The reporting company's ticker symbol is AMT. The reporting company's CIK number is 1053507.
The total value of stock buying since 2005 is $1,008,723.
The total value of stock sales since 2005 is $602,165,080.
The total value of stock option exercises since 2005 is $191,898,611.


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Table 2. Detailed insider stock purchases, sales, and option exercises of American Tower Corp /ma/ insiders (AMT) , Part 3
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2011-06-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 220 .00 0
2011-06-01 Hess William H (EVP, Int'l. Operations) Sale 25,545 55.12 1,407,912
2011-06-01 Hess William H (EVP, Int'l. Operations) Option Ex 25,545 28.39 725,222
2011-06-01 Taiclet James D Jr (Chairman, President and CEO) Sale 60,000 55.05 3,302,700
2011-06-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 60,000 18.15 1,089,000
2011-04-01 Bartlett Thomas A (EVP & CFO) Option Ex 9,908 .00 0
2011-03-17 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 2,322 .00 0
2011-03-17 Sharma Amit (EVP, Asia) Option Ex 2,322 .00 0
2011-03-17 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 6,250 .00 0
2011-03-17 Hess William H (EVP, Int'l. Operations) Option Ex 6,250 .00 0
2011-03-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 11,607 .00 0
2011-03-10 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 10,504 .00 0
2011-03-10 Sharma Amit (EVP, Asia) Option Ex 8,753 .00 0
2011-03-10 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 13,084 .00 0
2011-03-10 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 2,081 .00 0
2011-03-10 Bartlett Thomas A (EVP & CFO) Option Ex 5,800 .00 0
2011-03-10 Hess William H (EVP, Int'l. Operations) Option Ex 13,084 .00 0
2011-03-10 Taiclet James D Jr (Chairman, President and CEO) Option Ex 26,494 .00 0
2010-12-30 Disanto Edmund (EVP, Chief Admin Officer & GC) Sale 69,294 51.30 3,554,782
2010-12-30 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 69,294 33.05 2,289,820
2010-12-20 Taiclet James D Jr (Chairman, President and CEO) Sale 88,927 50.73 4,511,266
2010-12-09 Dykes Ronald M (Director) Buy 5,000 50.68 253,400
2010-12-08 Reeve Pamela D A (Director) Sale 35,000 51.04 1,786,400
2010-12-08 Reeve Pamela D A (Director) Option Ex 35,000 4.74 165,900
2010-12-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 2,233 .00 0
2010-11-23 Dykes Ronald M (Director) Buy 5,000 51.00 255,000
2010-09-08 Hess William H (EVP, Int'l. Operations) Sale 131,580 49.50 6,513,210
2010-09-08 Hess William H (EVP, Int'l. Operations) Option Ex 131,580 29.95 3,940,163
2010-08-19 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 3,934 47.90 188,438
2010-08-19 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 3,934 28.39 111,686
2010-08-18 Bua Jean A (EVP, Finance and Treasurer) Sale 36,442 47.83 1,743,020
2010-08-18 Bua Jean A (EVP, Finance and Treasurer) Option Ex 36,442 29.95 1,091,255
2010-08-02 Taiclet James D Jr (Chairman, President and CEO) Sale 6,743 46.38 312,740
2010-08-02 Taiclet James D Jr (Chairman, President and CEO) Option Ex 6,743 12.11 81,657
2010-07-01 Hess William H (EVP, Int'l. Operations) Sale 65,789 44.09 2,900,637
2010-07-01 Hess William H (EVP, Int'l. Operations) Option Ex 65,789 29.95 1,970,051
2010-07-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 44.11 1,764,400
2010-07-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 12.11 484,400
2010-06-18 Bartlett Thomas A (EVP & CFO) Sale 38,583 45.00 1,736,235
2010-06-18 Bartlett Thomas A (EVP & CFO) Option Ex 32,621 31.54 1,028,866
2010-06-17 Bartlett Thomas A (EVP & CFO) Sale 600 45.00 27,000
2010-06-08 Bua Jean A (EVP, Finance and Treasurer) Sale 93,750 42.02 3,939,375
2010-06-08 Bua Jean A (EVP, Finance and Treasurer) Option Ex 93,750 37.61 3,525,937
2010-06-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 40.54 1,621,600
2010-06-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 12.11 484,400
2010-05-03 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 41.17 1,646,800
2010-05-03 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 12.11 484,400
2010-04-09 Hess William H (EVP, Int'l. Operations) Sale 61,118 42.54 2,599,959
2010-04-09 Hess William H (EVP, Int'l. Operations) Option Ex 51,486 18.15 934,470
2010-04-01 Bartlett Thomas A (EVP and CFO) Option Ex 9,909 .00 0
2010-04-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 42.88 1,715,200
2010-04-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 12.11 484,400
2010-03-17 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 2,323 .00 0
2010-03-17 Sharma Amit (EVP, Asia) Option Ex 2,323 .00 0
2010-03-17 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 6,250 .00 0
2010-03-17 Hess William H (EVP, Int'l. Operations) Option Ex 6,250 .00 0
2010-03-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 11,608 .00 0
2010-03-17 Bua Jean A (EVP, Finance and Treasurer) Option Ex 2,678 .00 0
2010-03-15 Marshall Steven C. (EVP & President, U.S. Tower) Sale 3,682 43.49 160,130
2010-03-10 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 5,284 .00 0
2010-03-10 Sharma Amit (EVP, Asia) Option Ex 4,403 .00 0
2010-03-10 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 7,864 .00 0
2010-03-10 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 1,211 .00 0
2010-03-10 Hess William H (EVP, Int'l. Operations) Option Ex 7,864 .00 0
2010-03-10 Taiclet James D Jr (Chairman, President and CEO) Option Ex 14,605 .00 0
2010-03-10 Bua Jean A (EVP, Finance and Treasurer) Option Ex 3,523 .00 0
2009-12-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 90,177 11.69 1,053,718
2009-12-14 Hess William H (EVP, Int'l. Operations) Sale 17,528 40.84 715,843
2009-12-04 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 7,750 41.74 323,523
2009-12-04 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 6,250 25.43 158,937
2009-12-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 2,233 .00 0
2009-08-18 Bua Jean A (EVP, Finance and Treasurer) Sale 60,000 32.13 1,927,800
2009-08-18 Bua Jean A (EVP, Finance and Treasurer) Option Ex 60,000 22.55 1,353,000
2009-07-30 Hess William H (EVP, Int'l. Operations) Sale 70,000 34.06 2,384,200
2009-07-30 Hess William H (EVP, Int'l. Operations) Option Ex 70,000 18.15 1,270,500
2009-05-01 Hess William H (EVP, Int'l. Operations) Option Ex 5,509 18.15 99,988
2009-03-17 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 2,323 .00 0
2009-03-17 Sharma Amit (EVP, Asia) Option Ex 2,323 .00 0
2009-03-17 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 6,250 .00 0
2009-03-17 Hess William H (EVP, Int'l. Operations) Option Ex 6,250 .00 0
2009-03-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 19,608 .00 0
2009-03-17 Bua Jean A (EVP, Finance and Treasurer) Option Ex 2,678 .00 0
2009-03-03 Taiclet James D Jr (Chairman, President and CEO) Sale 45,477 27.70 1,259,712
2009-03-03 Taiclet James D Jr (Chairman, President and CEO) Option Ex 45,477 10.50 477,508
2009-02-03 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 30.39 1,215,600
2009-02-03 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2009-01-02 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 29.47 1,178,800
2009-01-02 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-12-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 25.98 1,039,200
2008-12-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-11-26 Moskowitz Steven J (President, U.S. Operations) Sale 43,900 27.75 1,218,225
2008-11-26 Moskowitz Steven J (President, U.S. Operations) Option Ex 43,900 25.75 1,130,425
2008-11-14 Moskowitz Steven J (President, U.S. Operations) Sale 117,829 27.00 3,181,383
2008-11-14 Moskowitz Steven J (President, U.S. Operations) Option Ex 117,829 10.50 1,237,204
2008-11-13 Moskowitz Steven J (President, U.S. Operations) Sale 100,000 27.00 2,700,000
2008-11-13 Moskowitz Steven J (President, U.S. Operations) Option Ex 100,000 10.50 1,050,000
2008-11-12 Moskowitz Steven J (President, U.S. Operations) Sale 74,548 27.59 2,056,779
2008-11-12 Moskowitz Steven J (President, U.S. Operations) Option Ex 74,548 8.21 611,666
2008-11-03 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 32.81 1,312,400
2008-11-03 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-10-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 36.45 1,458,000
2008-10-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-09-02 Hess William H (EVP, Int'l. Operations) Sale 37,034 41.91 1,551,909
2008-09-02 Hess William H (EVP, Int'l. Operations) Option Ex 15,477 10.50 162,508
2008-09-02 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 41.80 1,672,000
2008-09-02 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-08-01 Hess William H (EVP, Int'l. Operations) Sale 18,477 41.37 764,393
2008-08-01 Hess William H (EVP, Int'l. Operations) Option Ex 17,528 13.47 236,102
2008-08-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 41.70 1,668,000
2008-08-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-07-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 40.58 1,623,000
2008-07-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 10.50 420,000
2008-06-13 Lara Gustavo (Director) Sale 5,000 43.02 215,075
2008-06-13 Lara Gustavo (Director) Option Ex 5,000 17.83 89,149
2008-06-03 Moskowitz Steven J (President, U.S. Operations) Sale 28,300 45.17 1,277,735
2008-06-03 Moskowitz Steven J (President, U.S. Operations) Option Ex 28,300 5.91 167,253
2008-06-02 Taiclet James D Jr (Chairman, President and CEO) Sale 36,557 45.05 1,641,115
2008-06-02 Taiclet James D Jr (Chairman, President and CEO) Option Ex 36,557 5.98 218,610
2008-06-02 Moskowitz Steven J (President, U.S. Operations) Sale 99,921 45.32 4,500,802
2008-06-02 Moskowitz Steven J (President, U.S. Operations) Option Ex 99,921 4.75 475,124
2008-05-16 Moskowitz Steven J (President, U.S. Operations) Sale 58,017 45.50 2,639,773
2008-05-16 Moskowitz Steven J (President, U.S. Operations) Option Ex 58,017 3.60 208,861
2008-05-14 Moskowitz Steven J (President, U.S. Operations) Sale 91,983 45.50 4,184,858
2008-05-14 Moskowitz Steven J (President, U.S. Operations) Option Ex 91,983 10.83 996,451
2008-05-14 Singer Bradley E (CFO and Treasurer) Sale 75,000 45.28 3,395,700
2008-05-14 Singer Bradley E (CFO and Treasurer) Option Ex 75,000 10.50 787,500
2008-05-09 Bua Jean A (EVP, Finance and Controller) Sale 40,000 43.59 1,743,520
2008-05-09 Bua Jean A (EVP, Finance and Controller) Option Ex 40,000 22.55 902,000
2008-05-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 43.44 1,737,600
2008-05-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2008-04-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 39.28 1,571,200
2008-04-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2008-03-18 Hess William H (EVP, Int'l. Operations) Sale 75,000 38.74 2,905,874
2008-03-18 Hess William H (EVP, Int'l. Operations) Option Ex 75,000 18.15 1,361,250
2008-03-18 Taiclet James D Jr (Chairman, President and CEO) Sale 80,000 37.80 3,024,000
2008-03-18 Taiclet James D Jr (Chairman, President and CEO) Option Ex 80,000 5.98 478,400
2008-03-14 Singer Bradley E (CFO and Treasurer) Sale 190,000 37.01 7,032,660
2008-03-14 Singer Bradley E (CFO and Treasurer) Option Ex 190,000 10.50 1,995,000
2008-02-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 37.23 1,489,040
2008-02-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2008-01-07 Moskowitz Steven J (President, U.S. Operations) Option Ex 71,700 10.00 717,000
2008-01-02 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 42.28 1,691,080
2008-01-02 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2008-01-02 Moskowitz Steven J (President, U.S. Operations) Sale 18,300 42.23 772,882
2008-01-02 Moskowitz Steven J (President, U.S. Operations) Option Ex 18,300 10.00 183,000
2007-12-14 Hess William H (EVP, Int'l. Operations) Sale 37,500 40.46 1,517,362
2007-12-14 Hess William H (EVP, Int'l. Operations) Option Ex 37,500 15.13 567,375
2007-12-03 Lara Gustavo (Director) Sale 20,000 45.28 905,680
2007-12-03 Lara Gustavo (Director) Option Ex 20,000 17.83 356,599
2007-12-03 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 45.32 1,812,680
2007-12-03 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2007-11-19 Moskowitz Steven J (President, U.S. Operations) Option Ex 9,523 10.50 99,991
2007-11-15 Singer Bradley E (CFO and Treasurer) Sale 79,196 43.29 3,416,843
2007-11-15 Singer Bradley E (CFO and Treasurer) Option Ex 79,196 4.75 376,576
2007-11-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 43.97 1,758,800
2007-11-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2007-10-15 Hess William H (EVP, Int'l. Operations) Sale 37,500 43.47 1,623,315
2007-10-15 Hess William H (EVP, Int'l. Operations) Option Ex 37,500 12.11 454,125
2007-10-01 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 43.54 1,741,680
2007-10-01 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.98 239,200
2007-09-04 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 39.23 1,569,000
2007-09-04 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 5.34 213,600
2007-08-22 Hess William H (EVP, Int'l. Operations) Option Ex 21,557 16.59 357,738
2007-08-16 Singer Bradley E (CFO and Treasurer) Sale 80,810 37.57 3,030,390
2007-08-16 Singer Bradley E (CFO and Treasurer) Option Ex 80,810 3.38 272,733
2007-08-15 Hess William H (EVP, Int'l. Operations) Sale 116,670 38.53 4,505,661
2007-08-15 Hess William H (EVP, Int'l. Operations) Option Ex 116,670 9.58 1,117,348
2007-08-13 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 40.78 1,627,627
2007-08-13 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 4.15 166,000
2006-03-13 Taiclet James D Jr (Chairman, President and CEO) Sale 37,500 30.57 1,146,412
2006-03-13 Taiclet James D Jr (Chairman, President and CEO) Option Ex 37,500 5.98 224,250
2006-03-10 Singer Bradley E (CFO and Treasurer) Sale 30,000 29.96 898,740
2006-03-10 Singer Bradley E (CFO and Treasurer) Option Ex 30,000 3.04 91,200
2006-03-01 Hess William H (EVP, General Counsel) Sale 186,580 31.64 5,876,349
2006-03-01 Hess William H (EVP, General Counsel) Option Ex 49,997 6.03 301,231
2005-12-22 Gearon J Michael Jr (Pres., American Towe) Option Ex 40,745 11.75 478,753
2005-12-01 Hess William H (EVP, General Counsel) Sale 15,800 27.42 433,236
2005-11-14 Gearon J Michael Jr (Pres., American Towe) Sale 1,467,272 26.35 38,591,314
2005-11-11 Lummis Fred R (Director) Sale 250,000 26.12 6,529,500
2005-11-08 Lummis Fred R (Director) Sale 90,000 25.05 2,254,680
2005-11-01 Hess William H (EVP, General Counsel) Sale 70,000 24.05 1,683,150
2005-10-03 Hess William H (EVP, General Counsel) Sale 35,000 24.86 870,135
2005-09-20 Clark Stephen H /nc/ (Director) Sale 283,100 24.40 6,895,703
2005-09-13 Clark Stephen H /nc/ (Director) Sale 116,300 24.91 2,897,265
2005-09-06 Clark Stephen H /nc/ (Director) Sale 28,400 23.75 674,500
2005-09-01 Lara Gustavo (Director) Buy 2,100 24.03 50,463
2005-09-01 Hess William H (EVP, General Counsel) Sale 35,000 23.91 836,955
2005-08-01 Hess William H (EVP, General Counsel) Sale 35,000 23.07 807,450
2005-07-01 Hess William H (EVP, General Counsel) Sale 35,000 20.98 734,300
2005-06-01 Hess William H (EVP, General Counsel) Sale 35,000 18.02 630,630
2005-05-02 Hess William H (EVP, General Counsel) Sale 35,000 17.29 605,150
2005-04-04 Hess William H (EVP, General Counsel) Sale 35,000 17.73 620,725
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Insider trading activities including stock purchases, stock sales, and option exercises of AMT listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of American Tower Corp /ma/ (symbol AMT, CIK number 1053507) see the Securities and Exchange Commission (SEC) website.