AMERICAN TOWER CORP /MA/ (AMT)

Latest Insider Confidence Score

2026Q1

48.8
Bearish

Company insider confidence (by quarter)

2016Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
American Tower Corp /Ma/ — 4,670,657 Apr 26, 2021
Atc Trs II Llc — 4,670,657 Apr 26, 2021
Sharma Amit CEO 363,750 Jul 6, 2021
DiSanto Edmund Other 206,660 Jul 3, 2023
Vondran Steven O CEO 80,748 Mar 12, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 Vondran Steven O CEO Sell 13.1 -33,482 -24.11% ✓ $6.3M
Mar 4, 2026 Mar 6, 2026 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 42.5 -682 -2.15% ✓ $128.6K
Mar 2, 2026 Mar 4, 2026 Noel Eugene M COO Sell 8.1 -41,209 -58.20% ✓ $7.9M
Feb 27, 2026 Mar 3, 2026 Meyer Robert Joseph SVP & Chief Accounting Officer Sell 20.0 -4,454 -15.40% ✗ $831.7K
Feb 27, 2026 Mar 3, 2026 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 42.5 -656 -2.03% ✓ $122.1K
Feb 25, 2026 Feb 27, 2026 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Neutral 90.0 +11,083 52.03% ✗ -
Feb 25, 2026 Feb 27, 2026 Smith Rodney M CFO Neutral 90.0 +21,425 28.83% ✗ -
Feb 25, 2026 Feb 27, 2026 Vondran Steven O CEO Neutral 90.0 +24,626 30.50% ✗ -
Feb 17, 2026 Feb 19, 2026 Smith Rodney M CFO Sell 8.1 -34,341 -31.61% ✓ $6.6M
Jan 3, 2026 Jan 6, 2026 Font Juan CEO Sell 42.5 -419 -1.79% ✗ $73.2K
Jan 6, 2026 Puech Olivier Other Neutral 52.5 - 0.00% ✗ -
Oct 31, 2025 Nov 4, 2025 REILLY EUGENE F Director Buy 97.5 +5,554 4114.07% ✗ $994.1K
Oct 1, 2025 Oct 3, 2025 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 51.3 -55 -0.26% ✗ $10.6K
Sep 19, 2025 Sep 23, 2025 REILLY EUGENE F Director Neutral 52.5 - 0.00% ✗ -
Aug 29, 2025 REILLY EUGENE F Director Neutral 52.5 - 0.00% ✗ -
Jul 31, 2025 Aug 1, 2025 Font Juan CEO Sell 22.5 -720 -2.98% ✗ $150K
Jun 1, 2025 Jun 3, 2025 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 48.8 -162 -0.56% ✗ $34.8K
May 16, 2025 REED JOANN A Other Neutral 52.5 - 0.00% ✗ -
Apr 2, 2025 Goel Sanjay Other Neutral 52.5 - 0.00% ✗ -
Mar 17, 2025 Mar 19, 2025 Goel Sanjay President Sell 20.0 -4,000 -13.60% ✗ $863.7K
Mar 10, 2025 Mar 12, 2025 Smith Rodney M CFO Sell 37.5 -1,124 -1.49% ✗ $2M
Mar 10, 2025 Mar 12, 2025 Rossi Richard C President Sell 97.5 +2,004 17.93% ✗ $370.7K
Mar 10, 2025 Mar 12, 2025 Vondran Steven O CEO Sell 92.5 +2,899 3.72% ✗ $2.7M
Mar 10, 2025 Mar 12, 2025 Puech Olivier President Sell 37.5 -752 -1.94% ✗ $2M
Mar 10, 2025 Mar 12, 2025 Noel Eugene M COO Sell 97.5 +2,730 10.21% ✗ $615.8K
Mar 10, 2025 Mar 12, 2025 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 97.5 +2,746 10.48% ✗ $412.7K
Mar 10, 2025 Mar 12, 2025 Font Juan CEO Sell 97.5 +5,185 27.41% ✗ $392K
Mar 10, 2025 Mar 12, 2025 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 97.5 +3,692 20.99% ✗ $490.5K
Mar 10, 2025 Mar 12, 2025 REEVE PAMELA D A Director Neutral 85.0 +1,056 5.38% ✗ -
Mar 10, 2025 Mar 12, 2025 REED JOANN A Director Neutral 77.5 +1,056 1.71% ✗ -
Mar 10, 2025 Mar 12, 2025 Kalathur Rajesh Director Neutral 90.0 +1,056 617.54% ✗ -
Mar 10, 2025 Mar 12, 2025 MACNAB CRAIG Director Neutral 85.0 +1,056 8.09% ✗ -
Mar 10, 2025 Mar 12, 2025 Ray Neville R Director Neutral 90.0 +1,056 100.00% ✗ -
Mar 10, 2025 Mar 12, 2025 Clarke Teresa Hillary Director Neutral 90.0 +1,056 34.71% ✗ -
Mar 10, 2025 Mar 12, 2025 Chambliss Kelly C Director Neutral 90.0 +1,056 48.87% ✗ -
Mar 10, 2025 Mar 12, 2025 HORMATS ROBERT D Director Neutral 90.0 +1,056 14.40% ✗ -
Mar 10, 2025 Mar 12, 2025 Lieblein Grace Director Neutral 90.0 +1,056 15.36% ✗ -
Mar 10, 2025 Mar 12, 2025 Tanner Bruce L Director Neutral 90.0 +1,056 22.59% ✗ -
Mar 10, 2025 Mar 12, 2025 Frank Kenneth R Director Neutral 90.0 +1,056 26.92% ✗ -
Feb 27, 2025 Mar 3, 2025 Smith Rodney M CFO Neutral 90.0 +12,527 19.95% ✗ -
Feb 27, 2025 Mar 3, 2025 Vondran Steven O CEO Neutral 90.0 +16,006 25.88% ✗ -
Feb 27, 2025 Mar 3, 2025 Goel Sanjay President Neutral 90.0 +10,787 57.93% ✗ -
Feb 27, 2025 Mar 3, 2025 Puech Olivier President Neutral 90.0 +16,006 70.30% ✗ -
Feb 26, 2025 Feb 28, 2025 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 17.5 -5,663 -17.77% ✗ $1.1M
Feb 26, 2025 Feb 28, 2025 REEVE PAMELA D A Director Sell 17.5 -4,971 -20.20% ✗ $1M
Feb 13, 2025 Feb 18, 2025 Smith Rodney M CFO Sell 10.0 -16,568 -20.88% ✓ $3.1M
Feb 7, 2025 Kalathur Rajesh Director Neutral 52.5 - 0.00% ✗ -
Feb 6, 2025 Kalathur Rajesh Director Neutral 52.5 - 0.00% ✗ -
Jan 24, 2025 Rossi Richard C President Neutral 52.5 - 0.00% ✗ -
Jan 16, 2025 Jan 17, 2025 Smith Rodney M CFO Sell 10.0 -16,567 -20.88% ✓ $3M
Jan 3, 2025 Jan 7, 2025 Font Juan CEO Sell 42.5 -469 -2.42% ✗ $85.6K
Oct 1, 2024 Oct 3, 2024 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 51.3 -59 -0.33% ✗ $13.7K
Sep 13, 2024 Sep 17, 2024 Goel Sanjay President Sell 17.5 -5,000 -21.17% ✗ $1.2M
Sep 10, 2024 Sep 12, 2024 Noel Eugene M President Sell 3.8 -33,135 -55.34% ✓ $8M
Sep 3, 2024 Sep 5, 2024 Puech Olivier President Sell 5.0 -18,989 -45.47% ✓ $4.4M
Aug 26, 2024 Aug 28, 2024 Puech Olivier President Sell 15.0 -9,988 -19.30% ✓ $2.3M
Aug 2, 2024 Aug 6, 2024 Puech Olivier President Sell 15.0 -10,005 -16.20% ✓ $2.3M
Aug 2, 2024 Aug 6, 2024 Vondran Steven O CEO Sell 5.0 -21,537 -25.83% ✓ $5M
Aug 2, 2024 Aug 6, 2024 Goel Sanjay President Sell 17.5 -4,792 -16.87% ✗ $1.1M
Aug 2, 2024 Aug 6, 2024 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 20.0 -2,181 -6.40% ✗ $508K
Jun 4, 2024 Jun 6, 2024 Goel Sanjay President Sell 20.0 -3,504 -10.98% ✗ $702.1K
Jun 1, 2024 Jun 4, 2024 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 51.3 -167 -0.49% ✗ $32.7K
May 22, 2024 THOMPSON SAMME L Other Neutral 52.5 - 0.00% ✗ -
May 22, 2024 DOLAN RAYMOND P Other Neutral 52.5 - 0.00% ✗ -
May 3, 2024 May 7, 2024 HORMATS ROBERT D Director Sell 22.5 -700 -8.72% ✗ $128.5K
May 1, 2024 May 3, 2024 Smith Rodney M CFO Sell 45.0 -330 -0.52% ✗ $58.4K
May 1, 2024 May 3, 2024 Bartlett Thomas A Other Sell 47.5 -575 -0.20% ✗ $101.7K
Mar 15, 2024 Mar 19, 2024 Font Juan CEO Sell 22.5 -540 -2.73% ✗ $106.6K
Mar 19, 2024 Font Juan CEO Neutral 52.5 - 0.00% ✗ -
Mar 19, 2024 Ray Neville R Director Neutral 52.5 - 0.00% ✗ -
Mar 11, 2024 Mar 12, 2024 Chambliss Kelly C Director Neutral 90.0 +1,089 101.59% ✗ -
Mar 10, 2024 Mar 12, 2024 Smith Rodney M CFO Sell 65.0 +34 0.05% ✗ $1.8M
Mar 10, 2024 Mar 12, 2024 Noel Eugene M President Sell 92.5 +2,387 9.85% ✗ $507.9K
Mar 11, 2024 Mar 12, 2024 THOMPSON SAMME L Director Neutral 82.5 +1,089 4.70% ✗ -
Mar 11, 2024 Mar 12, 2024 REEVE PAMELA D A Director Neutral 85.0 +1,089 5.87% ✗ -
Mar 11, 2024 Mar 12, 2024 Clarke Teresa Hillary Director Neutral 90.0 +1,089 55.76% ✗ -
Mar 10, 2024 Mar 12, 2024 Bartlett Thomas A Other Sell 36.3 -31,926 -10.00% ✗ $6.6M
Mar 11, 2024 Mar 12, 2024 HORMATS ROBERT D Director Neutral 90.0 +1,089 15.68% ✗ -
Mar 11, 2024 Mar 12, 2024 MACNAB CRAIG Director Neutral 85.0 +1,089 9.10% ✗ -
Mar 11, 2024 Mar 12, 2024 REED JOANN A Director Neutral 77.5 +1,089 1.79% ✗ -
Mar 11, 2024 Mar 12, 2024 Goel Sanjay President Neutral 90.0 +6,772 26.93% ✗ -
Mar 11, 2024 Mar 12, 2024 Tanner Bruce L Director Neutral 90.0 +1,089 30.37% ✗ -
Mar 11, 2024 Mar 12, 2024 Frank Kenneth R Director Neutral 90.0 +1,089 38.43% ✗ -
Mar 10, 2024 Mar 12, 2024 Vondran Steven O CEO Sell 95.0 +3,471 5.95% ✗ $2.3M
Mar 11, 2024 Mar 12, 2024 DOLAN RAYMOND P Director Neutral 85.0 +1,089 5.87% ✗ -
Mar 10, 2024 Mar 12, 2024 Puech Olivier President Sell 87.5 +1,040 1.72% ✗ $1.8M
Mar 10, 2024 Mar 12, 2024 Meyer Robert Joseph JR SVP & Chief Accounting Officer Sell 92.5 +2,966 9.53% ✗ $337.7K
Mar 11, 2024 Mar 12, 2024 Lieblein Grace Director Neutral 90.0 +1,089 18.82% ✗ -
Oct 1, 2023 Mar 12, 2024 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Sell 97.5 +3,912 10.03% ✗ $390.1K
Mar 6, 2024 Mar 8, 2024 Smith Rodney M CFO Sell 15.0 -11,510 -15.45% ✓ $2.4M
Mar 4, 2024 Mar 6, 2024 Vondran Steven O CEO Sell 30.0 -3,265 -5.30% ✓ $654.4K
Mar 1, 2024 Mar 5, 2024 THOMPSON SAMME L Director Sell 26.3 -2,527 -9.83% ✓ $502.6K
Mar 1, 2024 Mar 5, 2024 Smith Rodney M CFO Sell 15.0 -11,509 -15.45% ✓ $2.3M
Feb 28, 2024 Mar 1, 2024 REEVE PAMELA D A Director Sell 20.0 -5,054 -21.42% ✗ $962.6K
Feb 28, 2024 Mar 1, 2024 Vondran Steven O CEO Neutral 90.0 +15,904 37.45% ✗ -
Feb 28, 2024 Mar 1, 2024 Bartlett Thomas A Other Neutral 90.0 +53,009 19.92% ✗ -
Feb 28, 2024 Mar 1, 2024 Smith Rodney M CFO Neutral 90.0 +12,307 24.29% ✗ -
Feb 28, 2024 Mar 1, 2024 Puech Olivier President Neutral 90.0 +15,904 35.59% ✗ -
Feb 28, 2024 Mar 1, 2024 Goel Sanjay President Neutral 90.0 +8,233 48.68% ✗ -
Feb 26, 2024 Feb 28, 2024 THOMPSON SAMME L Director Sell 26.3 -2,527 -9.83% ✓ $480.7K