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Insider Trading: AMERICAN TOWER CORP /MA/
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of AMERICAN TOWER CORP /MA/ in the last 24 months are illustrated in figures 1 and 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 $50,463.
The total value of stock sales is $197,400,979.
The total value of stock exercises is $17,668,931.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at AMERICAN TOWER CORP /MA/ (AMT) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Figure 2. Average prices of insider buys, sales, and option exercises at AMERICAN TOWER CORP /MA/ (AMT) in the past 24 months. See table 2 for insider transaction details.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for AMERICAN TOWER CORP /MA/ (AMT).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-07 | 0 | 0 | 40,000 | 1,623,000 | 40,000 | 420,000 |
| 2008-06 | 0 | 0 | 283,888 | 12,761,225 | 169,778 | 950,136 |
| 2008-05 | 0 | 0 | 305,000 | 13,701,573 | 305,000 | 3,134,043 |
| 2008-04 | 0 | 0 | 40,000 | 1,571,200 | 40,000 | 239,200 |
| 2008-03 | 0 | 0 | 517,500 | 19,443,933 | 517,500 | 5,751,975 |
| 2008-02 | 0 | 0 | 40,000 | 1,489,066 | 40,000 | 239,200 |
| 2008-01 | 0 | 0 | 58,300 | 2,463,988 | 130,000 | 1,139,200 |
| 2007-12 | 0 | 0 | 97,500 | 4,235,755 | 97,500 | 1,163,174 |
| 2007-11 | 0 | 0 | 188,792 | 8,175,045 | 128,719 | 715,767 |
| 2007-10 | 0 | 0 | 109,100 | 4,730,359 | 77,500 | 693,325 |
| 2007-09 | 0 | 0 | 40,000 | 1,569,000 | 40,000 | 213,600 |
| 2007-08 | 0 | 0 | 414,350 | 15,997,607 | 259,037 | 1,913,877 |
| 2006-03 | 0 | 0 | 431,463 | 13,505,594 | 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
for AMERICAN TOWER CORP /MA/ (AMT)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 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 Exercise | 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 Exercise | 5,000 | 17.83 | 89,149 |
| 2008-06-03 | Moskowitz Steven J (President, U.S. Operations) | Sale | 28,300 | 45.17 | 1,277,752 |
| 2008-06-03 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 28,300 | 5.91 | 167,253 |
| 2008-06-02 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 36,557 | 45.05 | 1,641,136 |
| 2008-06-02 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 36,557 | 5.98 | 218,610 |
| 2008-06-02 | Moskowitz Steven J (President, U.S. Operations) | Sale | 99,921 | 45.32 | 4,500,839 |
| 2008-06-02 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 99,921 | 4.76 | 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 Exercise | 58,017 | 3.60 | 208,861 |
| 2008-05-14 | Moskowitz Steven J (President, U.S. Operations) | Sale | 91,983 | 45.50 | 4,184,919 |
| 2008-05-14 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 91,983 | 10.83 | 996,482 |
| 2008-05-14 | Singer Bradley E (CFO and Treasurer) | Sale | 75,000 | 45.28 | 3,395,739 |
| 2008-05-14 | Singer Bradley E (CFO and Treasurer) | Option Exercise | 75,000 | 10.50 | 787,500 |
| 2008-05-09 | Bua Jean A (EVP, Finance and Controller) | Sale | 40,000 | 43.59 | 1,743,542 |
| 2008-05-09 | Bua Jean A (EVP, Finance and Controller) | Option Exercise | 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 Exercise | 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 Exercise | 40,000 | 5.98 | 239,200 |
| 2008-03-18 | Hess William H (EVP, Int'l. Operations) | Sale | 75,000 | 38.75 | 2,905,936 |
| 2008-03-18 | Hess William H (EVP, Int'l. Operations) | Option Exercise | 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 Exercise | 80,000 | 5.98 | 478,400 |
| 2008-03-14 | Singer Bradley E (CFO and Treasurer) | Sale | 190,000 | 37.01 | 7,032,686 |
| 2008-03-14 | Singer Bradley E (CFO and Treasurer) | Option Exercise | 190,000 | 10.50 | 1,995,000 |
| 2008-02-01 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 37.23 | 1,489,066 |
| 2008-02-01 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 5.98 | 239,200 |
| 2008-01-07 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 71,700 | 10.00 | 717,000 |
| 2008-01-02 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 42.28 | 1,691,100 |
| 2008-01-02 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 5.98 | 239,200 |
| 2008-01-02 | Moskowitz Steven J (President, U.S. Operations) | Sale | 18,300 | 42.23 | 772,888 |
| 2008-01-02 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 18,300 | 10.00 | 183,000 |
| 2007-12-14 | Hess William H (EVP, Int'l. Operations) | Sale | 37,500 | 40.46 | 1,517,365 |
| 2007-12-14 | Hess William H (EVP, Int'l. Operations) | Option Exercise | 37,500 | 15.13 | 567,375 |
| 2007-12-03 | Lara Gustavo (Director) | Sale | 20,000 | 45.28 | 905,690 |
| 2007-12-03 | Lara Gustavo (Director) | Option Exercise | 20,000 | 17.83 | 356,599 |
| 2007-12-03 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 45.32 | 1,812,700 |
| 2007-12-03 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 5.98 | 239,200 |
| 2007-11-19 | Moskowitz Steven J (President, U.S. Operations) | Option Exercise | 9,523 | 10.50 | 99,991 |
| 2007-11-15 | Singer Bradley E (CFO and Treasurer) | Sale | 79,196 | 43.29 | 3,416,857 |
| 2007-11-15 | Singer Bradley E (CFO and Treasurer) | Option Exercise | 79,196 | 4.76 | 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 Exercise | 40,000 | 5.98 | 239,200 |
| 2007-10-15 | Hess William H (EVP, Int'l. Operations) | Sale | 37,500 | 43.47 | 1,623,333 |
| 2007-10-15 | Hess William H (EVP, Int'l. Operations) | Option Exercise | 37,500 | 12.11 | 454,125 |
| 2007-10-01 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 43.54 | 1,741,699 |
| 2007-10-01 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 5.98 | 239,200 |
| 2007-09-04 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 39.22 | 1,569,000 |
| 2007-09-04 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 5.34 | 213,600 |
| 2007-08-22 | Hess William H (EVP, Int'l. Operations) | Option Exercise | 21,557 | 16.60 | 357,738 |
| 2007-08-16 | Singer Bradley E (CFO and Treasurer) | Sale | 80,810 | 37.57 | 3,030,428 |
| 2007-08-16 | Singer Bradley E (CFO and Treasurer) | Option Exercise | 80,810 | 3.38 | 272,733 |
| 2007-08-15 | Hess William H (EVP, Int'l. Operations) | Sale | 116,670 | 38.53 | 4,505,722 |
| 2007-08-15 | Hess William H (EVP, Int'l. Operations) | Option Exercise | 116,670 | 9.58 | 1,117,406 |
| 2007-08-13 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 40,000 | 40.79 | 1,627,636 |
| 2007-08-13 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 40,000 | 4.15 | 166,000 |
| 2006-03-13 | Taiclet James D Jr (Chairman, President and CEO) | Sale | 37,500 | 30.57 | 1,146,421 |
| 2006-03-13 | Taiclet James D Jr (Chairman, President and CEO) | Option Exercise | 37,500 | 5.98 | 224,250 |
| 2006-03-10 | Singer Bradley E (CFO and Treasurer) | Sale | 30,000 | 29.96 | 898,757 |
| 2006-03-10 | Singer Bradley E (CFO and Treasurer) | Option Exercise | 30,000 | 3.04 | 91,200 |
| 2006-03-01 | Hess William H (EVP, General Counsel) | Sale | 186,580 | 31.64 | 5,876,463 |
| 2006-03-01 | Hess William H (EVP, General Counsel) | Option Exercise | 49,997 | 6.02 | 301,231 |
| 2005-12-22 | Gearon J Michael Jr (Pres., American Towe) | Option Exercise | 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 | 24.04 | 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) | Purchase | 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 | 17.74 | 620,725 |
Insider trading activities including stock purchases, stock sales, and option exercises
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.
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