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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in AMERICAN TOWER CORP /MA/. Get notifications about new insider transactions in AMERICAN TOWER CORP /MA/ for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.45	25,000	461,250	394,277	419.3 K to 394.3 K (-5.96 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.44	25,000	461,000	419,277	444.3 K to 419.3 K (-5.63 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.12	2,100	38,052	444,277	446.4 K to 444.3 K (-0.47 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.11	300	5,433	446,377	446.7 K to 446.4 K (-0.07 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.10	4,400	79,640	446,677	451.1 K to 446.7 K (-0.98 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.09	200	3,618	451,077	451.3 K to 451.1 K (-0.04 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.08	400	7,232	451,277	451.7 K to 451.3 K (-0.09 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.07	4,700	84,929	451,677	456.4 K to 451.7 K (-1.03 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.06	12,900	232,974	456,377	469.3 K to 456.4 K (-2.75 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Buy	M	11.00	25,000	275,000	469,277	444.3 K to 469.3 K (+5.63 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Buy	M	10.50	25,000	262,500	444,277	419.3 K to 444.3 K (+5.96 %)
Jan 04 2005	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Buy	M	1.55	25,000	38,750	419,277	394.3 K to 419.3 K (+6.34 %)
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Option Exercise	M	3.04	62,500	190,000	62,500
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Option Exercise	M	1.07	87,500	93,625	87,500
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Sell	S	17.25	62,500	1,078,125	8,000	70.5 K to 8 K (-88.65 %)
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Buy	M	3.04	62,500	190,000	70,500	8 K to 70.5 K (+781.25 %)
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Sell	S	17.25	87,500	1,509,375	8,000	95.5 K to 8 K (-91.62 %)
Dec 14 2004	AMT	AMERICAN TOWER COR ...	TAICLET JAMES D JR	Chairman, President ...	Buy	M	1.07	87,500	93,625	95,500	8 K to 95.5 K (+1,093.75 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.55	1,500	26,325	0	1.5 K to 0 (-100.00 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.50	37,800	661,500	1,500	39.3 K to 1.5 K (-96.18 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.46	500	8,730	39,300	39.8 K to 39.3 K (-1.26 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.45	11,600	202,420	39,800	51.4 K to 39.8 K (-22.57 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.44	2,300	40,112	51,400	53.7 K to 51.4 K (-4.28 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.43	500	8,715	53,700	54.2 K to 53.7 K (-0.92 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.42	600	10,452	54,200	54.8 K to 54.2 K (-1.09 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.41	4,500	78,345	54,800	59.3 K to 54.8 K (-7.59 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.40	8,500	147,900	59,300	67.8 K to 59.3 K (-12.54 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.04	3,100	55,924	67,800	70.9 K to 67.8 K (-4.37 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.03	11,300	203,739	70,900	82.2 K to 70.9 K (-13.75 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.02	1,600	28,832	82,200	83.8 K to 82.2 K (-1.91 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.01	5,100	91,851	83,800	88.9 K to 83.8 K (-5.74 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.00	46,500	837,000	88,900	135.4 K to 88.9 K (-34.34 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.85	18,400	328,440	135,400	153.8 K to 135.4 K (-11.96 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.83	100	1,783	153,800	153.9 K to 153.8 K (-0.06 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.82	4,200	74,844	153,900	158.1 K to 153.9 K (-2.66 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.81	1,900	33,839	158,100	160 K to 158.1 K (-1.19 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.80	9,600	170,880	160,000	169.6 K to 160 K (-5.66 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.79	1,500	26,685	169,600	171.1 K to 169.6 K (-0.88 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.78	700	12,446	171,100	171.8 K to 171.1 K (-0.41 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.76	1,900	33,744	171,800	173.7 K to 171.8 K (-1.09 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.75	62,200	1,104,050	173,700	235.9 K to 173.7 K (-26.37 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	17.70	50,000	885,000	235,900	285.9 K to 235.9 K (-17.49 %)
Dec 09 2004	AMT	AMERICAN TOWER COR ...	LUMMIS FRED R	Director	Sell	S	18.50	38,449	711,307	285,900	324.3 K to 285.9 K (-11.85 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	3.15	15,000	47,250	30,000
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Option Exercise	M	5.91	77,497	458,007	100,000
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	18.45	15,000	276,750	5,000	20 K to 5 K (-75.00 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	3.15	15,000	47,250	20,000	5 K to 20 K (+300.00 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Sell	S	18.45	77,497	1,429,820	5,000	82.5 K to 5 K (-93.94 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	SINGER BRADLEY E	CFO and Treasurer	Buy	M	5.91	77,497	458,007	82,497	5 K to 82.5 K (+1,549.94 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.60	21,500	399,900	1,516,999	1.5 M to 1.5 M (-1.40 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.59	3,500	65,065	1,538,499	1.5 M to 1.5 M (-0.23 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.58	5,000	92,900	1,541,999	1.5 M to 1.5 M (-0.32 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.56	1,200	22,272	1,546,999	1.5 M to 1.5 M (-0.08 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.55	4,700	87,185	1,548,199	1.6 M to 1.5 M (-0.30 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.53	700	12,971	1,552,899	1.6 M to 1.6 M (-0.05 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.52	1,900	35,188	1,553,599	1.6 M to 1.6 M (-0.12 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.51	7,200	133,272	1,555,499	1.6 M to 1.6 M (-0.46 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.50	16,900	312,650	1,562,699	1.6 M to 1.6 M (-1.07 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.49	2,000	36,980	1,579,599	1.6 M to 1.6 M (-0.13 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.48	15,300	282,744	1,581,599	1.6 M to 1.6 M (-0.96 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.47	900	16,623	1,596,899	1.6 M to 1.6 M (-0.06 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.46	2,700	49,842	1,597,799	1.6 M to 1.6 M (-0.17 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.45	11,400	210,330	1,600,499	1.6 M to 1.6 M (-0.71 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.44	3,700	68,228	1,611,899	1.6 M to 1.6 M (-0.23 %)
Dec 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.43	1,400	25,802	1,615,599	1.6 M to 1.6 M (-0.09 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.74	1,500	28,110	1,616,999	1.6 M to 1.6 M (-0.09 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.73	4,600	86,158	1,618,499	1.6 M to 1.6 M (-0.28 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.72	2,600	48,672	1,623,099	1.6 M to 1.6 M (-0.16 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.71	1,400	26,194	1,625,699	1.6 M to 1.6 M (-0.09 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.70	24,000	448,800	1,627,099	1.7 M to 1.6 M (-1.45 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.69	2,700	50,463	1,651,099	1.7 M to 1.7 M (-0.16 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.68	4,300	80,324	1,653,799	1.7 M to 1.7 M (-0.26 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.67	2,900	54,143	1,658,099	1.7 M to 1.7 M (-0.17 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.66	10,000	186,600	1,660,999	1.7 M to 1.7 M (-0.60 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.65	31,000	578,150	1,670,999	1.7 M to 1.7 M (-1.82 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.63	7,800	145,314	1,701,999	1.7 M to 1.7 M (-0.46 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.61	1,300	24,193	1,709,799	1.7 M to 1.7 M (-0.08 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.60	15,900	295,740	1,711,099	1.7 M to 1.7 M (-0.92 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.59	500	9,295	1,726,999	1.7 M to 1.7 M (-0.03 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.58	5,300	98,474	1,727,499	1.7 M to 1.7 M (-0.31 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.57	1,200	22,284	1,732,799	1.7 M to 1.7 M (-0.07 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.56	700	12,992	1,733,999	1.7 M to 1.7 M (-0.04 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.55	12,300	228,165	1,734,699	1.7 M to 1.7 M (-0.70 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.54	10,400	192,816	1,746,999	1.8 M to 1.7 M (-0.59 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.53	8,700	161,211	1,757,399	1.8 M to 1.8 M (-0.49 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.52	3,800	70,376	1,766,099	1.8 M to 1.8 M (-0.21 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.51	7,200	133,272	1,769,899	1.8 M to 1.8 M (-0.41 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.50	27,900	516,150	1,777,099	1.8 M to 1.8 M (-1.55 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.49	1,800	33,282	1,804,999	1.8 M to 1.8 M (-0.10 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.48	1,200	22,176	1,806,799	1.8 M to 1.8 M (-0.07 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.47	700	12,929	1,807,999	1.8 M to 1.8 M (-0.04 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.46	1,300	23,998	1,808,699	1.8 M to 1.8 M (-0.07 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.45	20,300	374,535	1,809,999	1.8 M to 1.8 M (-1.11 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.44	7,400	136,456	1,830,299	1.8 M to 1.8 M (-0.40 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.43	1,300	23,959	1,837,699	1.8 M to 1.8 M (-0.07 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.42	3,000	55,260	1,838,999	1.8 M to 1.8 M (-0.16 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.42	3,200	58,944	1,841,999	1.8 M to 1.8 M (-0.17 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.40	4,000	73,600	1,845,199	1.8 M to 1.8 M (-0.22 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.39	17,800	327,342	1,849,199	1.9 M to 1.8 M (-0.95 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.38	10,000	183,800	1,866,999	1.9 M to 1.9 M (-0.53 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.37	5,100	93,687	1,876,999	1.9 M to 1.9 M (-0.27 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.36	6,400	117,504	1,882,099	1.9 M to 1.9 M (-0.34 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.35	49,000	899,150	1,888,499	1.9 M to 1.9 M (-2.53 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.34	5,000	91,700	1,937,499	1.9 M to 1.9 M (-0.26 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.33	5,000	91,650	1,942,499	1.9 M to 1.9 M (-0.26 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.30	20,000	366,000	1,947,499	2 M to 1.9 M (-1.02 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.28	5,000	91,400	1,967,499	2 M to 2 M (-0.25 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.27	10,000	182,700	1,972,499	2 M to 2 M (-0.50 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.25	14,500	264,625	1,982,499	2 M to 2 M (-0.73 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.24	3,800	69,312	1,996,999	2 M to 2 M (-0.19 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.23	1,200	21,876	2,000,799	2 M to 2 M (-0.06 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.20	10,000	182,000	2,001,999	2 M to 2 M (-0.50 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	18.10	5,000	90,500	2,011,999	2 M to 2 M (-0.25 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Option Exercise	M	3.04	36,000	109,440	150,000
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Option Exercise	M	3.04	14,000	42,560	186,000
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Option Exercise	M	5.91	100,000	591,000	100,000
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Sell	S	18.41	36,000	662,760	3,000	39 K to 3 K (-92.31 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Buy	M	3.04	36,000	109,440	39,000	3 K to 39 K (+1,200.00 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Sell	S	18.13	14,000	253,820	3,000	17 K to 3 K (-82.35 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Buy	M	3.04	14,000	42,560	17,000	3 K to 17 K (+466.67 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Sell	S	18.36	100,000	1,836,000	3,000	103 K to 3 K (-97.09 %)
Dec 02 2004	AMT	AMERICAN TOWER COR ...	MOSKOWITZ STEVEN J	President, U.S. Ope ...	Buy	M	5.91	100,000	591,000	103,000	3 K to 103 K (+3,333.33 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	18.00	25,000	450,000	394,277	419.3 K to 394.3 K (-5.96 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.95	300	5,385	419,277	419.6 K to 419.3 K (-0.07 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.94	1,000	17,940	419,577	420.6 K to 419.6 K (-0.24 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.90	6,200	110,980	420,577	426.8 K to 420.6 K (-1.45 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.85	75,000	1,338,750	426,777	501.8 K to 426.8 K (-14.95 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.83	100	1,783	501,777	501.9 K to 501.8 K (-0.02 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.81	800	14,248	501,877	502.7 K to 501.9 K (-0.16 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.80	7,200	128,160	502,677	509.9 K to 502.7 K (-1.41 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.60	6,800	119,680	509,877	516.7 K to 509.9 K (-1.32 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.53	1,600	28,048	516,677	518.3 K to 516.7 K (-0.31 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.52	1,000	17,520	518,277	519.3 K to 518.3 K (-0.19 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.51	1,000	17,510	519,277	520.3 K to 519.3 K (-0.19 %)
Nov 17 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Sell	S	17.50	3,200	56,000	520,277	523.5 K to 520.3 K (-0.61 %)
Oct 12 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Option Exercise	M	0.00	523,327	0	0
Oct 12 2004	AMT	AMERICAN TOWER COR ...	HESS WILLIAM H	EVP, General Counse ...	Buy	M	0.00	523,327	0	523,477	150 to 523.5 K (+348,884.67 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.10	2,000	30,200	2,016,999	2 M to 2 M (-0.10 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.09	700	10,563	2,018,999	2 M to 2 M (-0.03 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.08	2,800	42,224	2,019,699	2 M to 2 M (-0.14 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.07	20,000	301,400	2,022,499	2 M to 2 M (-0.98 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.06	19,500	293,670	2,042,499	2.1 M to 2 M (-0.95 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.05	99,800	1,501,990	2,061,999	2.2 M to 2.1 M (-4.62 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.04	1,900	28,576	2,161,799	2.2 M to 2.2 M (-0.09 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.02	36,200	543,724	2,163,699	2.2 M to 2.2 M (-1.65 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.01	1,500	22,515	2,199,899	2.2 M to 2.2 M (-0.07 %)
Sep 13 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.00	58,400	876,000	2,201,399	2.3 M to 2.2 M (-2.58 %)
Sep 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.10	25,100	379,010	2,259,799	2.3 M to 2.3 M (-1.10 %)
Sep 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.09	10,200	153,918	2,284,899	2.3 M to 2.3 M (-0.44 %)
Sep 07 2004	AMT	AMERICAN TOWER COR ...	GEARON J MICHAEL JR	Pres., American Tow ...	Sell	S	15.08	26,100	393,588	2,295,099	2.3 M to 2.3 M (-1.12 %)

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