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AMTNYSE · Real Estate Investment Trusts

AMERICAN TOWER CORP /MA/

Alert me on AMT
2
Insider buys, 6 months
3
Congress trades, 6 months
1
Signals, 6 months

Six months

AMT stock chart by TradingView

After each filing

23
Oct 23 Buy Clarke Teresa Hillary Insider
1 week
Result in5 trading days
1 month
Result in21 trading days
3 months
Result in63 trading days
6 months
Result in126 trading days
Aug 26 Buy Kalathur Rajesh Insider
1 week
−1.6%S&P −0.1%
1 month
−3.8%S&P +0.9%
3 months
Result in22 trading days
6 months
Result in85 trading days
Aug 1 Sale Meyer Robert Joseph Insider
1 week
−2.2%S&P +2.0%
1 month
+1.7%S&P +0.5%
3 months
Result in5 trading days
6 months
Result in68 trading days
Jul 31 Sale Dowling Ruth T Insider
1 week
−0.5%S&P +3.5%
1 month
+1.3%S&P +2.7%
3 months
Result in4 trading days
6 months
Result in67 trading days
Jul 21 Sale Sen. Alan Armstrong Senate
1 week
+7.9%S&P −2.4%
1 month
+5.8%S&P +2.0%
3 months
+11.7%S&P +3.2%
6 months
Result in60 trading days
Show all 23
May 15 Sale Rep. Dwight Evans House
1 week
+4.3%S&P +1.6%
1 month
+3.1%S&P +0.3%
3 months
−1.9%S&P +4.2%
6 months
Result in16 trading days
May 12 Sale Rep. Richard Dean McCormick House
1 week
+5.8%S&P −0.1%
1 month
+8.7%S&P −0.1%
3 months
+1.1%S&P +5.1%
6 months
Result in13 trading days
May 1 Sale Dowling Ruth T Insider
1 week
−2.8%S&P +2.4%
1 month
+2.2%S&P +5.4%
3 months
−3.8%S&P +5.4%
6 months
Result in5 trading days
Mar 13 Buy Kalathur Rajesh Insider
1 week
−4.1%S&P −1.8%
1 month
−3.4%S&P +5.1%
3 months
+3.5%S&P +12.3%
6 months
−2.2%S&P +15.5%
Mar 7 Sale Vondran Steven O Insider
1 week
−1.0%S&P −1.4%
1 month
−5.6%S&P −0.1%
3 months
+2.3%S&P +9.3%
6 months
−4.0%S&P +13.5%
Mar 7 Sale Dowling Ruth T Insider
1 week
−1.0%S&P −1.4%
1 month
−5.6%S&P −0.1%
3 months
+2.3%S&P +9.3%
6 months
−4.0%S&P +13.5%
Mar 5 Sale Noel Eugene M Insider
1 week
−4.1%S&P −2.2%
1 month
−6.1%S&P −3.0%
3 months
+4.4%S&P +11.4%
6 months
−3.4%S&P +14.1%
Mar 4 Sale Meyer Robert Joseph Insider
1 week
−4.2%S&P −1.3%
1 month
−8.9%S&P −4.0%
3 months
−3.5%S&P +10.4%
6 months
−7.6%S&P +12.3%
Mar 4 Sale Dowling Ruth T Insider
1 week
−4.2%S&P −1.3%
1 month
−8.9%S&P −4.0%
3 months
−3.5%S&P +10.4%
6 months
−7.6%S&P +12.3%
Feb 20 Sale Smith Rodney M Insider
1 week
+2.4%S&P −0.5%
1 month
−5.8%S&P −4.7%
3 months
−0.9%S&P +8.0%
6 months
−4.3%S&P +11.7%
Nov 5, 2025 Buy REILLY EUGENE F Insider
1 week
+2.2%S&P +0.9%
1 month
−0.3%S&P +1.2%
3 months
−3.6%S&P +2.2%
6 months
+0.3%S&P +9.5%
Sep 17, 2025 Buy Rep. Richard Dean McCormick House
1 week
+0.4%S&P −0.4%
1 month
0.0%S&P +0.6%
3 months
−6.7%S&P +1.7%
6 months
−6.7%S&P −1.2%
Aug 20, 2025 Buy Rep. Ritchie John Torres House
1 week
−3.4%S&P +2.1%
1 month
−7.9%S&P +5.2%
3 months
−13.2%S&P +4.5%
6 months
−7.7%S&P +8.0%
Aug 20, 2025 Sale Rep. Ritchie John Torres House
1 week
−3.4%S&P +2.1%
1 month
−7.9%S&P +5.2%
3 months
−13.2%S&P +4.5%
6 months
−7.7%S&P +8.0%
Jun 22, 2025 Sale Rep. Jefferson Shreve House
1 week
−0.3%S&P +2.9%
1 month
+3.9%S&P +5.7%
3 months
−12.8%S&P +11.4%
6 months
−21.5%S&P +14.0%
May 8, 2025 Buy Rep. Rob Bresnahan House
1 week
−3.0%S&P +5.3%
1 month
−2.4%S&P +6.9%
3 months
−5.6%S&P +13.0%
6 months
−17.7%S&P +19.6%
Apr 17, 2025 Sale Rep. Dwight Evans House
1 week
−3.1%S&P +7.2%
1 month
−1.2%S&P +15.4%
3 months
+7.4%S&P +22.7%
6 months
−9.9%S&P +31.4%
Feb 12, 2025 Sale Rep. Julie Johnson House
1 week
+0.8%S&P −1.6%
1 month
+11.9%S&P −7.0%
3 months
+12.3%S&P −2.9%
6 months
+10.2%S&P +6.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for AMT

61 held · newest 561 held · newest 2
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See all 61 filings for AMT

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
$390KQ4 2025
$2.1MQ1 2026
$290KQ2 2026
$310KQ3 2026
Up 7 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.