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American Tower Corp. (AMT)

 On Feb 9: 41.45 USD  Up 0.78 (1.92%)  
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Insider Transactions Get Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
  Shares Trans
Purchases N/A 0
Sales N/A 0
Net Shares Purchased
(Sold)		 N/A 0
Total Insider Shares Held 244.89K N/A
% Net Shares Purchased
(Sold)		 0.0% N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
  Shares
Net Shares Purchased (Sold) (13,230,000)
% Change in Institutional Shares Held (3.5%)
Data provided by Reuters
INSIDER & RULE 144 TRANSACTIONS REPORTED - LAST TWO YEARS
Date Insider Shares Transaction Value*
17-Dec-09 TAICLET JAMES D JR
Officer 		90,177 Option Exercise at $5.98 - $18.15 per share. N/A
14-Dec-09 HESS WILLIAM H
Officer 		17,528 Sale at $40.84 per share. $715,843
4-Dec-09 MEYER ROBERT JOSEPH JR
Officer 		6,250 Option Exercise at $25.43 per share. $158,937
4-Dec-09 MEYER ROBERT JOSEPH JR
Officer 		7,750 Sale at $41.73 - $41.76 per share. $324,0002
1-Dec-09 MEYER ROBERT JOSEPH JR
Officer 		2,233 Option Exercise at $0 per share. N/A
1-Dec-09 MEYER ROBERT JOSEPH JR
Officer 		709 Disposition (Non Open Market) at $41.67 per share. $29,544
18-Aug-09 BUA JEAN A
Officer 		60,000 Option Exercise at $22.55 per share. $1,353,000
18-Aug-09 BUA JEAN A
Officer 		60,000 Sale at $32.13 per share. $1,927,800
30-Jul-09 HESS WILLIAM H
Officer 		70,000 Option Exercise at $18.15 per share. $1,270,500
30-Jul-09 HESS WILLIAM H
Officer 		70,000 Sale at $34.06 per share. $2,384,200
1-May-09 HESS WILLIAM H
Officer 		5,509 Option Exercise at $18.15 per share. $99,988
1-Apr-09 BARTLETT THOMAS A
Officer 		21 Statement of Ownership N/A
17-Mar-09 MARSHALL STEVEN C.
Officer 		2,323 Option Exercise at $0 per share. N/A
17-Mar-09 MARSHALL STEVEN C.
Officer 		951 Disposition (Non Open Market) at $30.20 per share. $28,720
17-Mar-09 SHARMA AMIT
Officer 		2,323 Option Exercise at $0 per share. N/A
17-Mar-09 SHARMA AMIT
Officer 		731 Disposition (Non Open Market) at $30.20 per share. $22,076
17-Mar-09 DISANTO EDMUND
Officer 		6,250 Option Exercise at $0 per share. N/A
17-Mar-09 DISANTO EDMUND
Officer 		1,966 Disposition (Non Open Market) at $30.20 per share. $59,373
17-Mar-09 TAICLET JAMES D JR
Officer 		19,608 Option Exercise at $0 per share. N/A
17-Mar-09 TAICLET JAMES D JR
Officer 		4,847 Disposition (Non Open Market) at $30.20 per share. $146,379
17-Mar-09 HESS WILLIAM H
Officer 		6,250 Option Exercise at $0 per share. N/A
17-Mar-09 HESS WILLIAM H
Officer 		1,985 Disposition (Non Open Market) at $30.20 per share. $59,947
17-Mar-09 BUA JEAN A
Officer 		2,678 Option Exercise at $0 per share. N/A
17-Mar-09 BUA JEAN A
Officer 		851 Disposition (Non Open Market) at $30.20 per share. $25,700
10-Mar-09 LARA GUSTAVO
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 THOMPSON SAMME L
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 REED JOANN A
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 KATZ CAROLYN
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 DYKES RONALD M
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 DOLAN RAYMOND P
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 SHARBUTT DAVID E
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
10-Mar-09 REEVE PAMELA D A
Director 		2,202 Acquisition (Non Open Market) at $0 per share. N/A
3-Mar-09 TAICLET JAMES D JR
Officer 		45,477 Automatic Sale at $27.38 - $28.02 per share. $1,260,0002
3-Mar-09 TAICLET JAMES D JR
Officer 		45,477 Option Exercise at $10.50 per share. $477,508
3-Feb-09 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
3-Feb-09 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $30.39 per share. $1,215,600
2-Jan-09 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
2-Jan-09 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $29.12 - $29.82 per share. $1,179,0002
1-Dec-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
1-Dec-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $25.79 - $26.17 per share. $1,039,0002
26-Nov-08 MOSKOWITZ STEVEN J
Officer 		43,900 Option Exercise at $25.75 per share. $1,130,425
26-Nov-08 MOSKOWITZ STEVEN J
Officer 		43,900 Sale at $27.75 per share. $1,218,225
14-Nov-08 MOSKOWITZ STEVEN J
Officer 		117,829 Option Exercise at $10.50 per share. $1,237,204
14-Nov-08 MOSKOWITZ STEVEN J
Officer 		117,829 Sale at $27 per share. $3,181,383
13-Nov-08 MOSKOWITZ STEVEN J
Officer 		100,000 Option Exercise at $10.50 per share. $1,050,000
13-Nov-08 MOSKOWITZ STEVEN J
Officer 		100,000 Sale at $27 per share. $2,700,000
12-Nov-08 MOSKOWITZ STEVEN J
Officer 		74,548 Option Exercise at $5.91 - $10.5 per share. N/A
12-Nov-08 MOSKOWITZ STEVEN J
Officer 		74,548 Sale at $27.59 per share. $2,056,779
3-Nov-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
3-Nov-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $32.81 per share. $1,312,400
1-Oct-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
1-Oct-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $35.69 - $37.16 per share. $1,457,0002
2-Sep-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
2-Sep-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $41.53 - $42.07 per share. $1,672,0002
2-Sep-08 HESS WILLIAM H
Officer 		15,477 Option Exercise at $10.50 per share. $162,508
2-Sep-08 HESS WILLIAM H
Officer 		37,034 Automatic Sale at $41.75 - $42.06 per share. $1,552,0002
1-Aug-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
1-Aug-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $41.37 - $42.03 per share. $1,668,0002
1-Aug-08 HESS WILLIAM H
Officer 		17,528 Option Exercise at $10.15 - $18.15 per share. N/A
1-Aug-08 HESS WILLIAM H
Officer 		18,477 Automatic Sale at $41.37 per share. $764,393
1-Jul-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $10.50 per share. $420,000
1-Jul-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $40.19 - $40.96 per share. $1,623,0002
13-Jun-08 LARA GUSTAVO
Director 		5,000 Option Exercise at $17.83 per share. $89,149
13-Jun-08 LARA GUSTAVO
Director 		5,000 Sale at $43 - $43.03 per share. $215,0002
3-Jun-08 MOSKOWITZ STEVEN J
Officer 		28,300 Option Exercise at $5.91 per share. $167,253
3-Jun-08 MOSKOWITZ STEVEN J
Officer 		10,600 Automatic Sale at $45.19 - $45.35 per share. $480,0002
3-Jun-08 MOSKOWITZ STEVEN J
Officer 		17,700 Automatic Sale at $45 - $45.18 per share. $798,0002
2-Jun-08 TAICLET JAMES D JR
Officer 		36,557 Option Exercise at $5.98 per share. $218,610
2-Jun-08 TAICLET JAMES D JR
Officer 		4,600 Automatic Sale at $44.99 - $45.58 per share. $208,0002
2-Jun-08 TAICLET JAMES D JR
Officer 		31,957 Automatic Sale at $44.69 - $44.98 per share. $1,433,0002
2-Jun-08 MOSKOWITZ STEVEN J
Officer 		99,921 Option Exercise at $3.60 - $5.91 per share. N/A
2-Jun-08 MOSKOWITZ STEVEN J
Officer 		5,823 Automatic Sale at $45.52 - $45.65 per share. $265,0002
2-Jun-08 MOSKOWITZ STEVEN J
Officer 		35,468 Automatic Sale at $45 - $45.51 per share. $1,605,0002
2-Jun-08 MOSKOWITZ STEVEN J
Officer 		58,630 Automatic Sale at $44.71 - $44.99 per share. $2,630,0002
16-May-08 MOSKOWITZ STEVEN J
Officer 		58,017 Option Exercise at $3.60 per share. $208,861
16-May-08 MOSKOWITZ STEVEN J
Officer 		58,017 Sale at $45.50 per share. $2,639,773
14-May-08 MOSKOWITZ STEVEN J
Officer 		91,983 Option Exercise at $3.15 - $25.75 per share. N/A
14-May-08 MOSKOWITZ STEVEN J
Officer 		91,983 Sale at $45.35 - $45.6 per share. $4,183,0002
14-May-08 SINGER BRADLEY E
Officer 		75,000 Option Exercise at $10.50 per share. $787,500
14-May-08 SINGER BRADLEY E
Officer 		75,000 Automatic Sale at $44.90 - $45.5 per share. $3,390,0002
9-May-08 BUA JEAN A
Officer 		40,000 Option Exercise at $22.55 per share. $902,000
9-May-08 BUA JEAN A
Officer 		40,000 Sale at $43.50 - $43.66 per share. $1,743,0002
1-May-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $5.98 per share. $239,200
1-May-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $43.14 - $43.6 per share. $1,735,0002
1-Apr-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $5.98 per share. $239,200
1-Apr-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $39.28 per share. $1,571,200
18-Mar-08 TAICLET JAMES D JR
Officer 		40,000 Option Exercise at $5.98 per share. $239,200
18-Mar-08 TAICLET JAMES D JR
Officer 		40,000 Automatic Sale at $37.80 per share. $1,512,000
18-Mar-08 HESS WILLIAM H
Officer 		37,500 Option Exercise at $18.15 per share. $680,625
18-Mar-08 HESS WILLIAM H
Officer 		37,500 Automatic Sale at $37.80 - $39.12 per share. $1,442,0002
17-Mar-08 LARA GUSTAVO
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 THOMPSON SAMME L
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 REED JOANN A
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 KATZ CAROLYN
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 DYKES RONALD M
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 DOLAN RAYMOND P
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 SHARBUTT DAVID E
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
17-Mar-08 REEVE PAMELA D A
Director 		1,430 Acquisition (Non Open Market) at $0 per share. N/A
14-Mar-08 SINGER BRADLEY E
Officer 		95,000 Option Exercise at $10.50 per share. $997,500
14-Mar-08 SINGER BRADLEY E
Officer 		95,000 Automatic Sale at $36.83 - $37.33 per share. $3,523,0002
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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