American Tower Corp (AMT)

Over the past 90 days, American Tower Corp has seen limited insider activity, characterized by a single transaction involving a proposed sale of shares by an officer. This follows a period of broader divestment by key executives earlier in the year. The stock has experienced a 5.2% decline over the last quarter.
Ticker: AMT Exchange: NYS


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Insider trades have triggered activity signals for American Tower Corp. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Planned sale 29 Jul 2026
Value US$918,218.63 | Price 50.82 | Shares 69,399 (-21.7%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-07-31 2026-07-29 PlS Planned sale

SVP & Advisor to the CFO

Officer
69,399 -21.7%
50.82
US$918,219
69,399 -21.7% 50.82 US$918,219
2026-07-30 2026-07-29 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
15,098 +27.6%
467.98
US$1,462,935
15,098 +27.6% 467.98 US$1,462,935
2026-07-29 2026-07-29 PrS Proposed sale

Officer

Officer
31,163
231.56
US$4,692,387
31,163 231.56 US$4,692,387
2026-07-30 2026-07-28 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
1,000 -2.3%
169.54
US$100,000
1,000 -2.3% 169.54 US$100,000
2026-07-28 2026-07-28 PrS Proposed sale

Officer

Officer
1,000
166.74
US$100,000
1,000 166.74 US$100,000
2026-04-30 2026-04-29 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
416 -1.4%
177.54
US$73,857
416 -1.4% 177.54 US$73,857
2026-04-30 2026-04-28 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
556 -1.8%
178.48
US$99,235
556 -1.8% 178.48 US$99,235
2026-03-12 2026-03-10 B Purchase Non-Executive Director
2,671 +117.9%
185.30
US$494,936
2,671 +117.9% 185.30 US$494,936
2026-03-06 2026-03-04 PlS Planned sale

President and CEO

Executive Director
1,773 -1.7%
189.82
US$336,551
1,773 -1.7% 189.82 US$336,551
2026-03-06 2026-03-04 PlS Planned sale

President and CEO

Executive Director
16,625 -13.4%
188.82
US$3,139,132
16,625 -13.4% 188.82 US$3,139,132
2026-03-06 2026-03-04 PlS Planned sale

President and CEO

Executive Director
15,084 -10.9%
187.90
US$2,834,284
15,084 -10.9% 187.90 US$2,834,284
2026-03-06 2026-03-04 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
682 -2.1%
188.51
US$128,564
682 -2.1% 188.51 US$128,564
2026-03-04 2026-03-04 PrS Proposed sale

Officer; Director

Executive Director
33,482
188.46
US$6,309,887
33,482 188.46 US$6,309,887
2026-03-04 2026-03-02 PlS Planned sale

EVP & Chief Operating Officer

Officer
6,985 -19.1%
192.03
US$1,341,330
6,985 -19.1% 192.03 US$1,341,330
2026-03-04 2026-03-02 PlS Planned sale

EVP & Chief Operating Officer

Officer
21,604 -37.1%
191.40
US$4,135,006
21,604 -37.1% 191.40 US$4,135,006
2026-03-04 2026-03-02 PlS Planned sale

EVP & Chief Operating Officer

Officer
7,378 -11.3%
190.29
US$1,403,960
7,378 -11.3% 190.29 US$1,403,960
2026-03-04 2026-03-02 PlS Planned sale

EVP & Chief Operating Officer

Officer
5,242 -7.4%
189.36
US$992,625
5,242 -7.4% 189.36 US$992,625
2026-03-02 2026-03-02 PrS Proposed sale

Officer

Officer
41,209
191.05
US$7,873,017
41,209 191.05 US$7,873,017
2026-03-03 2026-02-27 PlS Planned sale

EVP, Chief Admin Ofr, GC & Sec

Officer
656 -2.0%
186.16
US$122,121
656 -2.0% 186.16 US$122,121
2026-03-03 2026-02-27 PlS Planned sale

SVP & Chief Accounting Officer

Officer
4,454 -15.4%
186.73
US$831,695
4,454 -15.4% 186.73 US$831,695
2026-02-27 2026-02-27 PrS Proposed sale

Officer

Officer
2,310
185.01
US$427,373
2,310 185.01 US$427,373
2026-02-27 2026-02-27 PrS Proposed sale

Officer

Officer
4,454
186.73
US$831,709
4,454 186.73 US$831,709
2026-02-25 2026-02-25 PrS Proposed sale

EVP Latin America

17,665
182.95
US$3,231,812
17,665 182.95 US$3,231,812
2026-02-19 2026-02-17 PlS Planned sale

EVP, CFO & Treasurer

Officer
1 -0.0%
193.13
US$193
1 -0.0% 193.13 US$193
2026-02-19 2026-02-17 PlS Planned sale

EVP, CFO & Treasurer

Officer
22,658 -23.4%
192.49
US$4,361,438
22,658 -23.4% 192.49 US$4,361,438
2026-02-19 2026-02-17 PlS Planned sale

EVP, CFO & Treasurer

Officer
9,596 -9.0%
191.52
US$1,837,826
9,596 -9.0% 191.52 US$1,837,826
2026-02-19 2026-02-17 PlS Planned sale

EVP, CFO & Treasurer

Officer
2,086 -1.9%
190.35
US$397,070
2,086 -1.9% 190.35 US$397,070
2026-02-17 2026-02-17 PrS Proposed sale

Officer

Officer
34,341
192.09
US$6,596,497
34,341 192.09 US$6,596,497
2025-11-04 2025-10-31 B Purchase Non-Executive Director
5,554 +4114.1%
178.99
US$994,110
5,554 +4114.1% 178.99 US$994,110
2025-08-01 2025-07-31 PlS Planned sale

SVP, Pres. & CEO, CoreSite

Officer
720 -3.0%
208.33
US$149,998
720 -3.0% 208.33 US$149,998
2025-07-31 2025-07-31 PrS Proposed sale

Officer

Officer
720
208.33
US$149,996
720 208.33 US$149,996
2025-03-19 2025-03-17 S Sale

EVP & President, Asia-Pacific

Officer
4,000 -13.6%
215.92
US$863,680
4,000 -13.6% 215.92 US$863,680
2025-03-17 2025-03-17 PrS Proposed sale

Officer

Officer
4,000
215.92
US$863,680
4,000 215.92 US$863,680
2025-02-28 2025-02-27 S Sale

SVP & Chief Accounting Officer

Officer
2,939 -10.1%
202.18
US$594,207
2,939 -10.1% 202.18 US$594,207
2025-02-27 2025-02-27 PrS Proposed sale

Officer

Officer
2,939
202.18
US$594,212
2,939 202.18 US$594,212
2025-02-28 2025-02-26 S Sale

SVP & Chief Accounting Officer

Officer
2,724 -8.5%
201.12
US$547,851
2,724 -8.5% 201.12 US$547,851
2025-02-28 2025-02-26 S Sale Non-Executive Director
4,971 -20.2%
202.97
US$1,008,964
4,971 -20.2% 202.97 US$1,008,964
2025-02-26 2025-02-26 PrS Proposed sale

Officer

Officer
2,724
201.12
US$547,849
2,724 201.12 US$547,849
2025-02-26 2025-02-26 PrS Proposed sale

Director

Non-Executive Director
4,971
202.97
US$1,008,964
4,971 202.97 US$1,008,964
2025-02-18 2025-02-13 PlS Planned sale

EVP, CFO & Treasurer

Officer
1,517 -2.4%
190.34
US$288,746
1,517 -2.4% 190.34 US$288,746
2025-02-18 2025-02-13 PlS Planned sale

EVP, CFO & Treasurer

Officer
15,051 -19.0%
189.64
US$2,854,272
15,051 -19.0% 189.64 US$2,854,272
2025-02-13 2025-02-13 PrS Proposed sale

Officer

Officer
16,568
189.71
US$3,143,084
16,568 189.71 US$3,143,084
2025-01-17 2025-01-16 PlS Planned sale

EVP, CFO & Treasurer

Officer
2,276 -3.5%
181.57
US$413,253
2,276 -3.5% 181.57 US$413,253
2025-01-17 2025-01-16 PlS Planned sale

EVP, CFO & Treasurer

Officer
14,291 -18.0%
181.03
US$2,587,100
14,291 -18.0% 181.03 US$2,587,100
2025-01-16 2025-01-16 PrS Proposed sale

Officer

Officer
16,567
181.11
US$3,000,385
16,567 181.11 US$3,000,385
2024-09-17 2024-09-13 S Sale

EVP & President, Asia-Pacific

Officer
5,000 -21.2%
238.00
US$1,190,000
5,000 -21.2% 238.00 US$1,190,000
2024-09-13 2024-09-13 PrS Proposed sale

Officer

Officer
5,000
238.00
US$1,190,000
5,000 238.00 US$1,190,000
2024-09-12 2024-09-10 PlS Planned sale

EVP & President, U.S. Tower

Officer
33,135 -55.3%
240.00
US$7,952,400
33,135 -55.3% 240.00 US$7,952,400
2024-09-10 2024-09-10 PrS Proposed sale

Officer

Officer
33,135
240.00
US$7,952,400
33,135 240.00 US$7,952,400
2024-09-05 2024-09-03 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
18,989 -45.5%
230.00
US$4,367,470
18,989 -45.5% 230.00 US$4,367,470
2024-09-03 2024-09-03 PrS Proposed sale

Officer

Officer
18,989
230.00
US$4,367,470
18,989 230.00 US$4,367,470
2024-08-28 2024-08-26 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
1,578 -3.6%
227.23
US$358,569
1,578 -3.6% 227.23 US$358,569
2024-08-28 2024-08-26 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
4,139 -8.7%
226.67
US$938,187
4,139 -8.7% 226.67 US$938,187
2024-08-28 2024-08-26 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
4,271 -8.3%
225.71
US$964,007
4,271 -8.3% 225.71 US$964,007
2024-08-26 2024-08-26 PrS Proposed sale

Officer

Officer
9,988
227.73
US$2,274,567
9,988 227.73 US$2,274,567
2024-08-06 2024-08-02 PlS Planned sale

President and CEO

Executive Director
21,537 -25.8%
230.00
US$4,953,510
21,537 -25.8% 230.00 US$4,953,510
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
396 -0.8%
235.30
US$93,179
396 -0.8% 235.30 US$93,179
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
2,485 -4.5%
234.21
US$582,012
2,485 -4.5% 234.21 US$582,012
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
3,848 -6.6%
233.35
US$897,931
3,848 -6.6% 233.35 US$897,931
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
3,097 -5.0%
232.40
US$719,743
3,097 -5.0% 232.40 US$719,743
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
30 -0.0%
230.00
US$6,900
30 -0.0% 230.00 US$6,900
2024-08-06 2024-08-02 PlS Planned sale

EVP & President, LatAm & EMEA

Officer
149 -0.2%
229.11
US$34,137
149 -0.2% 229.11 US$34,137
2024-08-06 2024-08-02 PlS Planned sale

SVP & Chief Accounting Officer

Officer
2,181 -6.4%
232.93
US$508,020
2,181 -6.4% 232.93 US$508,020
2024-08-06 2024-08-02 S Sale

EVP & President, Asia-Pacific

Officer
4,792 -16.9%
235.39
US$1,127,989
4,792 -16.9% 235.39 US$1,127,989
2024-08-02 2024-08-02 PrS Proposed sale

Officer

Officer
10,005
230.00
US$2,301,150
10,005 230.00 US$2,301,150
2024-08-02 2024-08-02 PrS Proposed sale

Officer

Officer
2,181
232.93
US$508,020
2,181 232.93 US$508,020
2024-08-02 2024-08-02 PrS Proposed sale

Officer

Officer
4,792
235.39
US$1,127,991
4,792 235.39 US$1,127,991
2024-08-02 2024-08-02 PrS Proposed sale

Officer; Director

Executive Director
21,537
230.00
US$4,953,510
21,537 230.00 US$4,953,510
2024-06-06 2024-06-04 S Sale

EVP & President, Asia-Pacific

Officer
3,504 -11.0%
200.36
US$702,061
3,504 -11.0% 200.36 US$702,061
2024-06-04 2024-06-04 PrS Proposed sale

Officer

Officer
3,504
200.36
US$702,044
3,504 200.36 US$702,044
2024-05-07 2024-05-03 S Sale Non-Executive Director
700 -8.7%
183.50
US$128,450
700 -8.7% 183.50 US$128,450
2024-05-03 2024-05-03 PrS Proposed sale

Director

Non-Executive Director
700
174.18
US$121,926
700 174.18 US$121,926
2024-03-19 2024-03-15 S Sale

SVP, Pres. & CEO, CoreSite

Officer
540 -2.7%
197.49
US$106,645
540 -2.7% 197.49 US$106,645
2024-03-15 2024-03-15 PrS Proposed sale

Officer

Officer
540
197.49
US$106,644
540 197.49 US$106,644
2024-03-08 2024-03-06 PlS Planned sale

EVP, CFO & Treasurer

Officer
2,013 -3.1%
206.44
US$415,564
2,013 -3.1% 206.44 US$415,564