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Insider Trading
Relationship
Date
Transaction
Cost
#Shares
Value ($)
#Shares Total
SEC Form 4
LARSON KEITH R Director Dec 24 '25 Buy 80.00 625 50,000 2,015 Dec 29 06:00 PM LARSON KEITH R Director Dec 17 '25 Buy 70.02 715 50,064 1,390 Dec 17 06:00 PM Gupta Shanti B. Chief Operating Officer Dec 10 '25 Sale 77.34 10,000 773,400 382,375 Dec 12 06:00 PM AMERICAN TOWER CORP /MA/ Member of 10% owner group Dec 09 '25 Sale 69.75 2,288,621 159,631,315 211,379 Dec 11 04:15 PM LARSON KEITH R Director Dec 10 '25 Buy 72.71 675 49,079 675 Dec 10 06:00 PM Gupta Shanti B. Officer Dec 10 '25 Proposed Sale 77.34 10,000 773,404 Dec 10 03:32 PM AMERICAN TOWER CORP /MA/ Member of 10% owner group Dec 09 '25 Proposed Sale 74.00 2,288,621 169,357,954 Dec 09 09:30 PM Yao Huiwen Chief Technology Officer Dec 05 '25 Sale 73.52 40,000 2,940,800 4,750 Dec 08 06:00 PM Bernal Maya Chief Accounting Officer Dec 05 '25 Sale 73.76 6,000 442,560 122,486 Dec 08 06:00 PM Yao Huiwen Officer Dec 05 '25 Proposed Sale 73.52 40,000 2,940,752 Dec 05 06:20 PM Bernal Maya Officer Dec 05 '25 Proposed Sale 73.76 6,000 442,544 Dec 05 12:40 PM Johnson Andrew Martin CFO and CLO Nov 26 '25 Sale 56.00 10,000 560,010 387,485 Nov 28 04:30 PM Johnson Andrew Martin Officer Nov 26 '25 Proposed Sale 56.00 10,000 560,010 Nov 26 02:07 PM Cisneros Adriana Director Nov 20 '25 Buy 50.79 750 38,092 784,077 Nov 24 01:23 PM Yao Huiwen Chief Technology Officer Sep 16 '25 Sale 40.58 40,000 1,623,200 4,750 Sep 17 05:00 PM Yao Huiwen Officer Sep 16 '25 Proposed Sale 38.37 40,000 1,534,800 Sep 15 06:01 PM Yao Huiwen Chief Technology Officer Sep 03 '25 Sale 48.04 16,000 768,640 44,750 Sep 04 04:30 PM Yao Huiwen Officer Sep 03 '25 Proposed Sale 48.04 16,000 768,626 Sep 03 08:29 PM Johnson Andrew Martin CFO and CLO Aug 26 '25 Sale 52.48 20,000 1,049,600 397,485 Aug 26 06:34 PM Johnson Andrew Martin Officer Aug 26 '25 Proposed Sale 52.48 20,000 1,049,634 Aug 26 12:17 PM Gupta Shanti B. Chief Operating Officer Jun 16 '25 Sale 41.84 10,000 418,400 305,667 Jun 16 07:49 PM Gupta Shanti B. Officer Jun 16 '25 Proposed Sale 41.84 10,000 418,433 Jun 16 04:23 PM Gupta Shanti B. Chief Operating Officer Jun 09 '25 Sale 36.08 15,000 541,200 315,667 Jun 10 05:15 PM Yao Huiwen Chief Technology Officer Jun 10 '25 Sale 34.60 4,250 147,050 20,750 Jun 10 05:15 PM Wisniewski Scott President Jun 09 '25 Sale 35.65 50,000 1,782,500 545,595 Jun 09 05:15 PM Gupta Shanti B. Officer Jun 09 '25 Proposed Sale 36.08 15,000 541,200 Jun 09 04:27 PM Wisniewski Scott Officer Jun 09 '25 Proposed Sale 35.65 50,000 1,782,631 Jun 09 02:01 PM Yao Huiwen Chief Technology Officer May 16 '25 Sale 26.82 55,000 1,475,100 0 May 19 05:00 PM Yao Huiwen Officer May 16 '25 Proposed Sale 25.88 55,000 1,423,400 May 16 03:32 PM Wisniewski Scott President Mar 17 '25 Sale 28.35 35,871 1,016,943 653,146 Mar 18 05:02 PM Gupta Shanti B. Chief Operating Officer Mar 17 '25 Sale 28.00 24,425 683,900 368,807 Mar 18 04:55 PM Wisniewski Scott Officer Mar 17 '25 Proposed Sale 28.35 35,871 1,017,101 Mar 17 04:32 PM Gupta Shanti B. Officer Mar 17 '25 Proposed Sale 28.00 24,425 683,900 Mar 17 02:54 PM RUBIN RONALD L Director Mar 10 '25 Sale 32.46 7,000 227,220 65,628 Mar 11 07:00 AM Torres Julio A. Director Mar 10 '25 Sale 30.73 20,000 614,600 52,628 Mar 11 07:00 AM Julio A. Torres Director Mar 10 '25 Proposed Sale 33.40 20,000 668,000 Mar 10 05:22 PM RUBIN RONALD L Director Mar 10 '25 Proposed Sale 32.46 7,000 227,232 Mar 10 10:43 AM