BRADLEY E SINGER Insider Trading $AMT AMERICAN TOWER CORP /MA/

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of BRADLEY E SINGER. BRADLEY E SINGER is Director in Motorola Solutions, Inc. ($MOT) and CFO and Treasurer in AMERICAN TOWER CORP /MA/ ($AMT).

BRADLEY E SINGER in AMERICAN TOWER CORP /MA/

Trading Symbol: AMT
Industry: REAL ESTATE INVESTMENT TRUSTS [6798]
Position of BRADLEY E SINGER: CFO and Treasurer
Holdings: 5,000 shares
Current Value: $517,350
Latest Transaction: May 15 2008
$AMT Market Capitalization: $44.40B
$AMT Previous Close: $103.47

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of BRADLEY E SINGER in AMERICAN TOWER CORP /MA/

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

Sentiment: All, AMT, MOT

Page: 1 2 next >

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	10.50	75,000	787,500	105,000
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.50	4,800	218,400	5,000	9.8 K to 5 K (-48.98 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.49	4,500	204,705	9,800	14.3 K to 9.8 K (-31.47 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.46	4,500	204,570	14,300	18.8 K to 14.3 K (-23.94 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.45	1,600	72,720	18,800	20.4 K to 18.8 K (-7.84 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.44	9,000	408,960	20,400	29.4 K to 20.4 K (-30.61 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.42	3,300	149,886	29,400	32.7 K to 29.4 K (-10.09 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.41	2,400	108,984	32,700	35.1 K to 32.7 K (-6.84 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.40	7,600	345,040	35,100	42.7 K to 35.1 K (-17.80 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.39	1,400	63,546	42,700	44.1 K to 42.7 K (-3.17 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.36	4,800	217,728	44,100	48.9 K to 44.1 K (-9.82 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.34	5,800	262,972	48,900	54.7 K to 48.9 K (-10.60 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.32	4,000	181,280	54,700	58.7 K to 54.7 K (-6.81 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.30	3,800	172,140	58,700	62.5 K to 58.7 K (-6.08 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.29	1,000	45,290	62,500	63.5 K to 62.5 K (-1.57 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.25	3,400	153,850	63,500	66.9 K to 63.5 K (-5.08 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.21	2,800	126,588	66,900	69.7 K to 66.9 K (-4.02 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.18	1,200	54,216	69,700	70.9 K to 69.7 K (-1.69 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.15	1,400	63,210	70,900	72.3 K to 70.9 K (-1.94 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.11	900	40,599	72,300	73.2 K to 72.3 K (-1.23 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.04	800	36,032	73,200	74 K to 73.2 K (-1.08 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	45.00	4,000	180,000	74,000	78 K to 74 K (-5.13 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	44.95	1,000	44,950	78,000	79 K to 78 K (-1.27 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	44.90	1,000	44,900	79,000	80 K to 79 K (-1.25 %)
May 15 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	10.50	75,000	787,500	80,000	5 K to 80 K (+1,500.00 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	A	0.00	32,140	0	32,140
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	A	37.70	112,500	4,241,250	112,500
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	10.50	95,000	997,500	180,000
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.33	600	22,398	5,000	5.6 K to 5 K (-10.71 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.28	1,200	44,736	5,600	6.8 K to 5.6 K (-17.65 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.26	600	22,356	6,800	7.4 K to 6.8 K (-8.11 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.25	500	18,625	7,400	7.9 K to 7.4 K (-6.33 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.19	900	33,471	7,900	8.8 K to 7.9 K (-10.23 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.18	300	11,154	8,800	9.1 K to 8.8 K (-3.30 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.13	1,200	44,556	9,100	10.3 K to 9.1 K (-11.65 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.12	2,400	89,088	10,300	12.7 K to 10.3 K (-18.90 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.09	2,400	89,016	12,700	15.1 K to 12.7 K (-15.89 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.08	4,000	148,320	15,100	19.1 K to 15.1 K (-20.94 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.03	1,900	70,357	19,100	21 K to 19.1 K (-9.05 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.00	2,900	107,300	21,000	23.9 K to 21 K (-12.13 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.99	3,206	118,590	23,900	27.1 K to 23.9 K (-11.83 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.98	2,194	81,134	27,106	29.3 K to 27.1 K (-7.49 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.97	5,100	188,547	29,300	34.4 K to 29.3 K (-14.83 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.96	4,806	177,630	34,400	39.2 K to 34.4 K (-12.26 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.95	6,694	247,343	39,206	45.9 K to 39.2 K (-14.58 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.94	4,000	147,760	45,900	49.9 K to 45.9 K (-8.02 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.93	8,900	328,677	49,900	58.8 K to 49.9 K (-15.14 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.92	8,800	324,896	58,800	67.6 K to 58.8 K (-13.02 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.91	5,504	203,153	67,600	73.1 K to 67.6 K (-7.53 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.90	10,096	372,542	73,104	83.2 K to 73.1 K (-12.13 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.89	3,300	121,737	83,200	86.5 K to 83.2 K (-3.82 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.88	3,900	143,832	86,500	90.4 K to 86.5 K (-4.31 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.87	2,800	103,236	90,400	93.2 K to 90.4 K (-3.00 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.86	1,100	40,546	93,200	94.3 K to 93.2 K (-1.17 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.85	4,200	154,770	94,300	98.5 K to 94.3 K (-4.26 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.84	1,100	40,524	98,500	99.6 K to 98.5 K (-1.10 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.83	400	14,732	99,600	100 K to 99.6 K (-0.40 %)
Mar 18 2008	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	10.50	95,000	997,500	100,000	5 K to 100 K (+1,900.00 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.57	400	17,428	5,000	5.4 K to 5 K (-7.41 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.55	1,206	52,521	5,400	6.6 K to 5.4 K (-18.26 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.53	1,300	56,589	6,606	7.9 K to 6.6 K (-16.44 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.52	1,000	43,520	7,906	8.9 K to 7.9 K (-11.23 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.51	800	34,808	8,906	9.7 K to 8.9 K (-8.24 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.50	700	30,450	9,706	10.4 K to 9.7 K (-6.73 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.48	800	34,784	10,406	11.2 K to 10.4 K (-7.14 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.47	800	34,776	11,206	12 K to 11.2 K (-6.66 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.44	1,400	60,816	12,006	13.4 K to 12 K (-10.44 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.40	794	34,460	13,406	14.2 K to 13.4 K (-5.59 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.38	400	17,352	14,200	14.6 K to 14.2 K (-2.74 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	5.91	50,000	295,500	0
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	3.60	29,196	105,106	0
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.36	900	39,024	14,600	15.5 K to 14.6 K (-5.81 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.34	1,100	47,674	15,500	16.6 K to 15.5 K (-6.63 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.31	1,400	60,634	16,600	18 K to 16.6 K (-7.78 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.30	1,100	47,630	18,000	19.1 K to 18 K (-5.76 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.28	1,400	60,592	19,100	20.5 K to 19.1 K (-6.83 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.26	1,500	64,890	20,500	22 K to 20.5 K (-6.82 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.24	700	30,268	22,000	22.7 K to 22 K (-3.08 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.20	3,500	151,200	22,700	26.2 K to 22.7 K (-13.36 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.18	2,000	86,360	26,200	28.2 K to 26.2 K (-7.09 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.15	4,506	194,434	28,200	32.7 K to 28.2 K (-13.78 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.12	2,990	128,929	32,706	35.7 K to 32.7 K (-8.38 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.10	800	34,480	35,696	36.5 K to 35.7 K (-2.19 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.09	2,300	99,107	36,496	38.8 K to 36.5 K (-5.93 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.08	2,400	103,392	38,796	41.2 K to 38.8 K (-5.83 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.07	2,800	120,596	41,196	44 K to 41.2 K (-6.36 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.05	2,700	116,235	43,996	46.7 K to 44 K (-5.78 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.04	2,700	116,208	46,696	49.4 K to 46.7 K (-5.47 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.03	300	12,909	49,396	49.7 K to 49.4 K (-0.60 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.02	2,500	107,550	49,696	52.2 K to 49.7 K (-4.79 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	43.00	5,600	240,800	52,196	57.8 K to 52.2 K (-9.69 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.99	2,500	107,475	57,796	60.3 K to 57.8 K (-4.15 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.98	3,600	154,728	60,296	63.9 K to 60.3 K (-5.63 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.97	3,100	133,207	63,896	67 K to 63.9 K (-4.63 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.96	2,700	115,992	66,996	69.7 K to 67 K (-3.87 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.95	4,500	193,275	69,696	74.2 K to 69.7 K (-6.07 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.94	1,800	77,292	74,196	76 K to 74.2 K (-2.37 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.91	400	17,164	75,996	76.4 K to 76 K (-0.52 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	42.80	7,800	333,840	76,396	84.2 K to 76.4 K (-9.26 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	5.91	50,000	295,500	84,196	34.2 K to 84.2 K (+146.22 %)
Nov 15 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	3.60	29,196	105,106	34,196	5 K to 34.2 K (+583.92 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	38.25	3,500	133,875	5,000	8.5 K to 5 K (-41.18 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.90	1,000	37,900	8,500	9.5 K to 8.5 K (-10.53 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.88	1,500	56,820	9,500	11 K to 9.5 K (-13.64 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.86	200	7,572	11,000	11.2 K to 11 K (-1.79 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.85	1,900	71,915	11,200	13.1 K to 11.2 K (-14.50 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.84	400	15,136	13,100	13.5 K to 13.1 K (-2.96 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.80	3,800	143,640	13,500	17.3 K to 13.5 K (-21.97 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.77	200	7,554	17,300	17.5 K to 17.3 K (-1.14 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.76	2,100	79,296	17,500	19.6 K to 17.5 K (-10.71 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.74	3,000	113,220	19,600	22.6 K to 19.6 K (-13.27 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.71	500	18,855	22,600	23.1 K to 22.6 K (-2.16 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.70	4,000	150,800	23,100	27.1 K to 23.1 K (-14.76 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.68	1,000	37,680	27,100	28.1 K to 27.1 K (-3.56 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.67	110	4,144	28,100	28.2 K to 28.1 K (-0.39 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.66	1,700	64,022	28,210	29.9 K to 28.2 K (-5.68 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.64	2,100	79,044	29,910	32 K to 29.9 K (-6.56 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.63	700	26,341	32,010	32.7 K to 32 K (-2.14 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.62	100	3,762	32,710	32.8 K to 32.7 K (-0.30 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	3.60	65,810	236,916	29,196
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	3.15	15,000	47,250	0
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.61	2,800	105,308	32,810	35.6 K to 32.8 K (-7.86 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.60	4,200	157,920	35,610	39.8 K to 35.6 K (-10.55 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.59	1,200	45,108	39,810	41 K to 39.8 K (-2.93 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.58	3,600	135,288	41,010	44.6 K to 41 K (-8.07 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.57	3,000	112,710	44,610	47.6 K to 44.6 K (-6.30 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.56	3,600	135,216	47,610	51.2 K to 47.6 K (-7.03 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.55	3,600	135,180	51,210	54.8 K to 51.2 K (-6.57 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.54	1,800	67,572	54,810	56.6 K to 54.8 K (-3.18 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.50	3,400	127,500	56,610	60 K to 56.6 K (-5.67 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.49	2,100	78,729	60,010	62.1 K to 60 K (-3.38 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.45	1,200	44,940	62,110	63.3 K to 62.1 K (-1.90 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.44	1,100	41,184	63,310	64.4 K to 63.3 K (-1.71 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.40	2,900	108,460	64,410	67.3 K to 64.4 K (-4.31 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.35	1,000	37,350	67,310	68.3 K to 67.3 K (-1.46 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.33	1,100	41,063	68,310	69.4 K to 68.3 K (-1.58 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.32	500	18,660	69,410	69.9 K to 69.4 K (-0.72 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.31	400	14,924	69,910	70.3 K to 69.9 K (-0.57 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.30	2,700	100,710	70,310	73 K to 70.3 K (-3.70 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.29	1,300	48,477	73,010	74.3 K to 73 K (-1.75 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.28	400	14,912	74,310	74.7 K to 74.3 K (-0.54 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.26	500	18,630	74,710	75.2 K to 74.7 K (-0.66 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.25	2,900	108,025	75,210	78.1 K to 75.2 K (-3.71 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.20	500	18,600	78,110	78.6 K to 78.1 K (-0.64 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.10	1,800	66,780	78,610	80.4 K to 78.6 K (-2.24 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.09	100	3,709	80,410	80.5 K to 80.4 K (-0.12 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.08	2,500	92,700	80,510	83 K to 80.5 K (-3.01 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	37.00	2,000	74,000	83,010	85 K to 83 K (-2.35 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	36.94	800	29,552	85,010	85.8 K to 85 K (-0.93 %)
Aug 20 2007	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	3.60	65,810	236,916	85,810	20 K to 85.8 K (+329.05 %)

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