Insider Trading activities of American Tower Corp /ma/ insiders.

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. 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.


 1   2   3 
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for American Tower Corp /ma/ (AMT).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 54,000 $7,704,980 54,000 $2,327,940
2017-08 0 $0 25,747 $3,617,258 37,500 $1,413,750
2017-06 0 $0 20,548 $2,772,336 17,162 $487,229
2017-05 0 $0 34,183 $4,341,593 48,616 $2,352,990
2017-04 0 $0 112,179 $13,696,792 112,179 $7,302,698
2017-03 0 $0 130,267 $15,130,939 130,267 $5,147,760
2017-02 0 $0 40,000 $4,133,200 40,000 $1,135,600
2017-01 0 $0 40,000 $4,179,400 40,000 $1,135,600
2016-12 0 $0 128,904 $13,328,616 128,904 $5,129,167
2016-11 0 $0 0 $0 2,000 $189,140
2016-10 0 $0 42,827 $4,864,624 40,625 $1,531,562
2016-09 0 $0 47,055 $5,167,280 40,625 $1,531,562
2016-08 0 $0 60,625 $7,035,206 50,625 $1,906,762
2016-07 0 $0 211,712 $24,321,688 221,712 $9,398,622
2016-06 0 $0 91,300 $9,989,293 111,130 $3,933,063
2016-05 0 $0 118,370 $12,472,190 118,370 $8,194,724
2016-04 0 $0 54,842 $5,771,023 54,842 $3,092,540
2016-03 0 $0 12,500 $1,197,250 12,500 $446,500
2015-12 0 $0 10,000 $958,800 10,000 $315,000
2015-11 0 $0 57,094 $5,534,886 57,094 $2,405,547
2015-10 0 $0 57,000 $5,398,060 57,000 $2,327,340
2015-09 0 $0 57,000 $5,130,000 57,000 $2,271,240
2015-08 0 $0 57,000 $5,769,120 57,000 $2,327,340
2015-07 0 $0 10,000 $958,000 10,000 $620,000
2015-06 0 $0 10,000 $923,199 10,000 $620,000
2015-05 0 $0 30,000 $2,829,000 30,000 $1,691,700
2014-12 0 $0 15,427 $1,582,968 20,000 $363,000
2014-11 0 $0 16,250 $1,669,600 12,500 $536,875
2014-10 0 $0 64,431 $6,079,944 59,431 $2,995,043
2014-09 0 $0 83,772 $8,104,455 78,772 $3,904,664
2014-08 2,900 $277,385 101,218 $9,816,030 93,218 $4,076,460
2014-07 0 $0 141,666 $12,969,569 142,505 $5,561,174
2014-06 0 $0 0 $0 219 $0
2014-04 0 $0 60,000 $4,909,750 60,000 $2,522,700
2014-03 0 $0 10,000 $820,000 194,871 $617,750
2014-01 0 $0 140,241 $11,680,753 140,241 $5,286,962
2013-12 0 $0 10,000 $782,800 10,000 $121,100
2013-11 0 $0 96,826 $7,646,349 96,826 $3,050,019
2013-10 0 $0 125,000 $9,297,749 125,000 $4,223,750
2013-09 0 $0 100,000 $7,337,500 100,000 $3,150,000
2013-08 2,500 $172,475 100,000 $7,066,000 100,000 $3,150,000
2013-07 0 $0 100,000 $7,213,000 100,000 $3,150,000
2013-06 0 $0 0 $0 220 $0
2013-05 0 $0 2,046 $171,904 0 $0
2013-04 0 $0 90,688 $7,062,781 100,596 $3,895,049
2013-03 0 $0 10,000 $778,300 172,695 $431,100
2013-02 0 $0 10,000 $768,800 10,000 $431,100
2013-01 0 $0 10,000 $785,300 10,000 $431,100
2012-12 0 $0 10,000 $747,900 12,232 $377,000
2012-11 0 $0 27,106 $2,035,049 22,500 $913,875
2012-10 0 $0 15,771 $1,148,875 10,000 $330,450
2012-09 0 $0 23,212 $1,647,023 17,418 $494,497
2012-08 0 $0 54,491 $3,965,840 54,491 $1,737,811
2012-07 0 $0 92,500 $6,612,600 92,500 $2,314,250
2012-06 0 $0 169,643 $11,506,882 148,027 $3,833,375
2012-05 0 $0 60,000 $4,010,400 60,000 $1,089,000
2012-04 0 $0 0 $0 9,908 $0
2012-03 0 $0 33,659 $2,095,758 175,314 $788,881
2012-02 0 $0 0 $0 5,839 $201,503
2011-12 0 $0 106,536 $6,322,058 108,768 $2,793,762
2011-11 0 $0 147,526 $8,505,733 137,483 $4,737,224
2011-09 0 $0 178,979 $9,812,645 178,979 $5,563,799
2011-08 0 $0 6,250 $326,375 6,250 $158,937
2011-07 0 $0 60,000 $3,200,100 60,000 $1,089,000
2011-06 0 $0 85,545 $4,710,612 86,942 $1,814,222
2011-04 0 $0 0 $0 9,908 $0
2011-03 0 $0 0 $0 108,551 $0
2010-12 5,000 $253,400 193,221 $9,852,448 106,527 $2,455,720
2010-11 5,000 $255,000 0 $0 0 $0
2010-09 0 $0 131,580 $6,513,210 131,580 $3,940,163
2010-08 0 $0 47,119 $2,244,198 47,119 $1,284,598
2010-07 0 $0 105,789 $4,665,037 105,789 $2,454,451
2010-06 0 $0 172,933 $7,324,210 166,371 $5,039,203
2010-05 0 $0 40,000 $1,646,800 40,000 $484,400
2010-04 0 $0 101,118 $4,315,159 101,395 $1,418,870
2010-03 0 $0 3,682 $160,130 76,186 $0
2009-12 0 $0 25,278 $1,039,366 98,660 $1,212,655
2009-08 0 $0 60,000 $1,927,800 60,000 $1,353,000
2009-07 0 $0 70,000 $2,384,200 70,000 $1,270,500
2009-05 0 $0 0 $0 5,509 $99,988
2009-03 0 $0 45,477 $1,259,712 84,909 $477,508
2009-02 0 $0 40,000 $1,215,600 40,000 $420,000
2009-01 0 $0 40,000 $1,178,800 40,000 $420,000
2008-12 0 $0 40,000 $1,039,200 40,000 $420,000
2008-11 0 $0 376,277 $10,468,787 376,277 $4,449,295
2008-10 0 $0 40,000 $1,458,000 40,000 $420,000
2008-09 0 $0 77,034 $3,223,909 55,477 $582,508
2008-08 0 $0 58,477 $2,432,393 57,528 $656,102
2008-07 0 $0 40,000 $1,623,000 40,000 $420,000
2008-06 0 $0 283,888 $12,761,082 169,778 $950,136
2008-05 0 $0 305,000 $13,701,451 305,000 $3,134,012
2008-04 0 $0 40,000 $1,571,200 40,000 $239,200
2008-03 0 $0 517,500 $19,443,801 517,500 $5,751,975
2008-02 0 $0 40,000 $1,489,040 40,000 $239,200
2008-01 0 $0 58,300 $2,463,962 130,000 $1,139,200
2007-12 0 $0 97,500 $4,235,722 97,500 $1,163,174
2007-11 0 $0 188,792 $8,175,021 128,719 $715,767
2007-10 0 $0 109,100 $4,730,304 77,500 $693,325
2007-09 0 $0 40,000 $1,569,000 40,000 $213,600
2007-08 0 $0 414,350 $15,997,429 259,037 $1,913,819
2006-03 0 $0 431,463 $13,505,340 117,497 $616,681
2005-12 0 $0 15,800 $433,236 40,745 $478,753
2005-11 0 $0 2,876,344 $75,260,896 0 $0
2005-10 0 $0 35,000 $870,135 0 $0
2005-09 2,100 $50,463 663,100 $16,171,112 0 $0
2005-08 0 $0 35,000 $807,450 0 $0
2005-07 0 $0 35,000 $734,300 0 $0
2005-06 0 $0 35,000 $630,630 0 $0
2005-05 0 $0 35,000 $605,150 0 $0
2005-04 0 $0 35,000 $620,725 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of American Tower Corp /ma/ insiders (AMT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-29 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 10,000 136.00 1,360,000
2017-09-29 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 10,000 43.11 431,100
2017-09-22 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 10,000 138.28 1,382,850
2017-09-22 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 10,000 43.11 431,100
2017-09-11 Taiclet James D Jr (Chairman, President and CEO) Sale 34,000 145.94 4,962,130
2017-09-11 Taiclet James D Jr (Chairman, President and CEO) Option Ex 34,000 43.11 1,465,740
2017-08-24 Sharma Amit (EVP, Asia) Option Ex 32,500 37.70 1,225,250
2017-08-24 Reeve Pamela D A (Director) Sale 5,000 143.49 717,450
2017-08-24 Reeve Pamela D A (Director) Option Ex 5,000 37.70 188,500
2017-08-18 Sharma Amit (EVP, Asia) Sale 20,747 139.77 2,899,808
2017-06-27 Marshall Steven C. (EVP & President, U.S. Tower) Sale 20,548 134.92 2,772,336
2017-06-27 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 17,162 28.39 487,229
2017-05-18 Sharbutt David E (Director) Sale 3,653 128.61 469,812
2017-05-18 Sharbutt David E (Director) Option Ex 3,653 50.78 185,499
2017-05-05 Sharbutt David E (Director) Sale 4,167 127.77 532,417
2017-05-05 Sharbutt David E (Director) Option Ex 4,167 43.11 179,639
2017-05-03 Reed Joann A (Director) Sale 7,400 126.87 938,838
2017-05-03 Reed Joann A (Director) Option Ex 25,000 40.34 1,008,500
2017-05-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 18,963 126.59 2,400,526
2017-05-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 15,796 62.00 979,352
2017-04-28 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 21,690 125.78 2,728,168
2017-04-28 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 21,690 46.95 1,018,237
2017-04-03 Hess William H (EVP, Int'l. Operations) Sale 90,489 121.22 10,968,624
2017-04-03 Hess William H (EVP, Int'l. Operations) Option Ex 90,489 69.45 6,284,461
2017-03-29 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 15,000 120.78 1,811,700
2017-03-29 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 15,000 43.11 646,650
2017-03-23 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 15,000 119.23 1,788,450
2017-03-23 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 15,000 43.11 646,650
2017-03-15 Lara Gustavo (Director) Sale 20,507 116.00 2,378,812
2017-03-15 Lara Gustavo (Director) Option Ex 20,507 73.09 1,498,774
2017-03-07 Taiclet James D Jr (Chairman, President and CEO) Sale 69,760 114.89 8,014,377
2017-03-07 Taiclet James D Jr (Chairman, President and CEO) Option Ex 69,760 28.39 1,980,486
2017-03-02 Thompson Samme L (Director) Sale 10,000 113.76 1,137,600
2017-03-02 Thompson Samme L (Director) Option Ex 10,000 37.52 375,200
2017-02-07 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 103.33 4,133,200
2017-02-07 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 28.39 1,135,600
2017-01-10 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 104.48 4,179,400
2017-01-10 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 28.39 1,135,600
2016-12-12 Sharma Amit (EVP, Asia) Sale 88,904 104.00 9,246,016
2016-12-12 Sharma Amit (EVP, Asia) Option Ex 88,904 44.92 3,993,567
2016-12-05 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 102.06 4,082,600
2016-12-05 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 28.39 1,135,600
2016-11-18 Macnab Craig (Director) Option Ex 2,000 94.57 189,140
2016-10-24 Thompson Samme L (Director) Sale 2,202 116.13 255,718
2016-10-17 Taiclet James D Jr (Chairman, President and CEO) Sale 40,625 113.45 4,608,906
2016-10-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,625 37.70 1,531,562
2016-09-19 Taiclet James D Jr (Chairman, President and CEO) Sale 40,625 108.80 4,420,000
2016-09-19 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,625 37.70 1,531,562
2016-09-06 Katz Carolyn (Director) Sale 5,000 116.28 581,400
2016-09-06 Thompson Samme L (Director) Sale 1,430 116.00 165,880
2016-08-17 Reeve Pamela D A (Director) Sale 10,000 113.38 1,133,800
2016-08-17 Reeve Pamela D A (Director) Option Ex 10,000 37.52 375,200
2016-08-15 Taiclet James D Jr (Chairman, President and CEO) Sale 40,625 116.65 4,738,906
2016-08-15 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,625 37.70 1,531,562
2016-08-08 Katz Carolyn (Director) Sale 10,000 116.25 1,162,500
2016-07-18 Taiclet James D Jr (Chairman, President and CEO) Sale 40,625 117.00 4,753,125
2016-07-18 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,625 37.70 1,531,562
2016-07-14 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 21,087 116.71 2,461,063
2016-07-14 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 21,087 35.75 753,860
2016-07-12 Marshall Steven C. (EVP & President, U.S. Tower) Sale 50,000 115.50 5,775,000
2016-07-12 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 50,000 44.92 2,246,000
2016-07-11 Marshall Steven C. (EVP & President, U.S. Tower) Sale 50,000 113.84 5,692,000
2016-07-11 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 50,000 44.92 2,246,000
2016-07-08 Marshall Steven C. (EVP & President, U.S. Tower) Sale 50,000 112.81 5,640,500
2016-07-08 Marshall Steven C. (EVP & President, U.S. Tower) Option Ex 50,000 44.92 2,246,000
2016-07-06 Katz Carolyn (Director) Option Ex 10,000 37.52 375,200
2016-06-30 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 20,000 113.50 2,270,000
2016-06-30 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 20,000 28.39 567,800
2016-06-16 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 18,624 42.95 799,900
2016-06-10 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Sale 41,875 108.95 4,562,281
2016-06-10 Disanto Edmund (EVP, Chief Admin Ofr, GC & Sec) Option Ex 41,875 33.05 1,383,759
2016-06-09 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 3,106 108.68 337,560
2016-06-07 Dolan Raymond P (Director) Sale 11,319 108.00 1,222,452
2016-06-07 Dolan Raymond P (Director) Option Ex 11,319 35.75 404,654
2016-06-07 Sharbutt David E (Director) Sale 5,000 108.14 540,700
2016-06-07 Sharbutt David E (Director) Option Ex 5,000 37.70 188,500
2016-06-02 Dolan Raymond P (Director) Sale 5,000 106.00 530,000
2016-06-02 Dolan Raymond P (Director) Option Ex 5,000 37.70 188,500
2016-06-01 Katz Carolyn (Director) Sale 5,000 105.26 526,300
2016-05-23 Sharbutt David E (Director) Sale 10,000 104.35 1,043,500
2016-05-23 Sharbutt David E (Director) Option Ex 10,000 37.52 375,200
2016-05-16 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 15,601 106.50 1,661,506
2016-05-16 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 15,601 31.22 487,063
2016-05-02 Bartlett Thomas A (EVP and CFO) Sale 92,769 105.28 9,767,184
2016-05-02 Bartlett Thomas A (EVP and CFO) Option Ex 92,769 79.04 7,332,461
2016-04-15 Bartlett Thomas A (EVP and CFO) Sale 54,842 105.23 5,771,023
2016-04-15 Bartlett Thomas A (EVP and CFO) Option Ex 54,842 56.39 3,092,540
2016-03-11 Sharbutt David E (Director) Sale 12,500 95.78 1,197,250
2016-03-11 Sharbutt David E (Director) Option Ex 12,500 35.72 446,500
2015-12-15 Reeve Pamela D A (Director) Sale 10,000 95.88 958,800
2015-12-15 Reeve Pamela D A (Director) Option Ex 10,000 31.50 315,000
2015-11-16 Hess William H (EVP, Int'l. Operations) Sale 10,759 96.92 1,042,708
2015-11-16 Hess William H (EVP, Int'l. Operations) Option Ex 10,759 62.00 667,058
2015-11-16 Taiclet James D Jr (Chairman, President and CEO) Sale 46,335 96.95 4,492,178
2015-11-16 Taiclet James D Jr (Chairman, President and CEO) Option Ex 46,335 37.52 1,738,489
2015-10-15 Hess William H (EVP, Int'l. Operations) Sale 10,000 93.87 938,700
2015-10-15 Hess William H (EVP, Int'l. Operations) Option Ex 10,000 56.39 563,900
2015-10-12 Taiclet James D Jr (Chairman, President and CEO) Sale 47,000 94.88 4,459,360
2015-10-12 Taiclet James D Jr (Chairman, President and CEO) Option Ex 47,000 37.52 1,763,440
2015-09-16 Hess William H (EVP, Int'l. Operations) Sale 10,000 90.00 900,000
2015-09-16 Hess William H (EVP, Int'l. Operations) Option Ex 10,000 50.78 507,800
2015-09-16 Taiclet James D Jr (Chairman, President and CEO) Sale 47,000 90.00 4,230,000
2015-09-16 Taiclet James D Jr (Chairman, President and CEO) Option Ex 47,000 37.52 1,763,440
2015-08-17 Hess William H (EVP, Int'l. Operations) Sale 10,000 101.22 1,012,250
2015-08-17 Hess William H (EVP, Int'l. Operations) Option Ex 10,000 56.39 563,900
2015-08-17 Taiclet James D Jr (Chairman, President and CEO) Sale 47,000 101.21 4,756,870
2015-08-17 Taiclet James D Jr (Chairman, President and CEO) Option Ex 47,000 37.52 1,763,440
2015-07-15 Hess William H (EVP, Int'l. Operations) Sale 10,000 95.80 958,000
2015-07-15 Hess William H (EVP, Int'l. Operations) Option Ex 10,000 62.00 620,000
2015-06-15 Hess William H (EVP, Int'l. Operations) Sale 10,000 92.32 923,199
2015-06-15 Hess William H (EVP, Int'l. Operations) Option Ex 10,000 62.00 620,000
2015-05-28 Hess William H (EVP, Int'l. Operations) Sale 30,000 94.30 2,829,000
2015-05-28 Hess William H (EVP, Int'l. Operations) Option Ex 30,000 56.39 1,691,700
2014-12-18 Katz Carolyn (Director) Option Ex 10,000 18.15 181,500
2014-12-11 Katz Carolyn (Director) Sale 5,427 100.16 543,568
2014-12-01 Reeve Pamela D A (Director) Sale 10,000 103.94 1,039,400
2014-12-01 Reeve Pamela D A (Director) Option Ex 10,000 18.15 181,500
2014-11-25 Dykes Ronald M (Director) Sale 12,500 103.85 1,298,125
2014-11-25 Dykes Ronald M (Director) Option Ex 12,500 42.95 536,875
2014-11-11 Katz Carolyn (Director) Sale 3,750 99.06 371,475
2014-10-13 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 94.08 3,763,399
2014-10-13 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 37.52 1,500,800
2014-10-13 Katz Carolyn (Director) Sale 5,000 94.12 470,600
2014-10-08 Bartlett Thomas A (EVP & Chief Financial Officer) Sale 19,431 95.00 1,845,945
2014-10-08 Bartlett Thomas A (EVP & Chief Financial Officer) Option Ex 19,431 76.90 1,494,243
2014-09-15 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 95.52 3,820,600
2014-09-15 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 37.52 1,500,800
2014-09-11 Katz Carolyn (Director) Sale 5,000 97.15 485,750
2014-09-03 Bartlett Thomas A (EVP & Chief Financial Officer) Sale 38,772 97.96 3,798,105
2014-09-03 Bartlett Thomas A (EVP & Chief Financial Officer) Option Ex 38,772 62.00 2,403,864
2014-08-11 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 99.23 3,969,400
2014-08-11 Taiclet James D Jr (Chairman, President and CEO) Option Ex 40,000 37.52 1,500,800
2014-08-11 Katz Carolyn (Director) Sale 5,000 99.08 495,400
2014-08-07 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Sale 8,000 96.31 770,520
2014-08-07 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 5,000 25.43 127,150
2014-08-06 Bartlett Thomas A (EVP & Chief Financial Officer) Sale 48,218 95.00 4,580,710
2014-08-06 Bartlett Thomas A (EVP & Chief Financial Officer) Option Ex 48,218 50.78 2,448,510
2014-08-06 Dykes Ronald M (Director) Buy 2,900 95.65 277,385
2014-07-30 Bartlett Thomas A (EVP & Chief Financial Officer) Sale 16,666 95.00 1,583,270
2014-07-30 Bartlett Thomas A (EVP & Chief Financial Officer) Option Ex 16,666 43.11 718,471
2014-07-14 Taiclet James D Jr (Chairman, President and CEO) Sale 40,000 91.82 3,672,799
2014-07-14 Taiclet James D Jr (Chairman, President and CEO) Option Ex 45,839 34.51 1,581,903
2014-07-11 Katz Carolyn (Director) Sale 5,000 91.10 455,500
2014-07-09 Hess William H (EVP, Int'l. Operations) Sale 80,000 90.72 7,258,000
2014-07-09 Hess William H (EVP, Int'l. Operations) Option Ex 80,000 40.76 3,260,800
2014-06-01 Meyer Robert Joseph Jr (SVP, Finance & Corp Controller) Option Ex 219 .00 0
2014-04-17 Dolan Raymond P (Director) Sale 10,000 83.00 830,000
2014-04-17 Dolan Raymond P (Director) Option Ex 10,000 37.52 375,200
2014-04-01 Disanto Edmund (EVP, Chief Admin Officer & GC) Sale 50,000 81.59 4,079,750
2014-04-01 Disanto Edmund (EVP, Chief Admin Officer & GC) Option Ex 50,000 42.95 2,147,500
 1   2   3 

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.