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Company Analysis

AMT Insider Trading

American Tower Corporation | Real Estate Investment Trusts

Comprehensive Trading Performance Summary

The investment history of corporate insiders at American Tower Corporation provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Real Estate Investment Trusts sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2014-08-14 00:00 2014-08-11 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $98.96 40,000 $3,958,400 36,497 0.0%
2014-08-13 23:59 2014-08-11 KATZ CAROLYN Director SELL $99.08 5,000 $495,400 19,177 -20.7%
2014-08-09 00:15 2014-08-07 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller OPT+S $96.33 8,000 $770,610 7,258 0.0%
2014-08-09 00:09 2014-08-06 Bartlett Thomas A Officer - EVP & Chief Financial Officer OPT+S $95.00 48,218 $4,580,710 33,105 0.0%
2014-08-09 00:11 2014-08-06 DYKES RONALD M Director BUY $95.65 2,900 $277,385 25,285 +13.0%
2014-08-01 00:29 2014-07-30 Bartlett Thomas A Officer - EVP & Chief Financial Officer OPT+S $95.00 16,666 $1,583,270 33,105 0.0%
2014-07-17 00:29 2014-07-14 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $91.82 40,000 $3,672,800 36,497 0.0%
2014-07-16 00:11 2014-07-11 KATZ CAROLYN Director SELL $91.10 5,000 $455,500 25,427 -16.4%
2014-07-11 23:40 2014-07-09 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $90.45 80,000 $7,236,248 47,445 0.0%
2014-03-21 00:12 2014-03-18 DOLAN RAYMOND P Director OPT+S $82.00 10,000 $820,000 9,059 0.0%
2014-01-24 01:06 2014-01-21 Bartlett Thomas A Officer - EVP & CFO OPT+S $83.70 50,001 $4,185,084 21,619 0.0%
2014-01-17 01:15 2014-01-15 DiSanto Edmund Officer - EVP, Chief Admin Officer & GC OPT+S $83.23 25,000 $2,080,750 55,711 0.0%
2014-01-17 01:14 2014-01-15 Bartlett Thomas A Officer - EVP & CFO OPT+S $83.00 65,240 $5,414,920 21,619 0.0%
2013-12-04 01:23 2013-12-02 REEVE PAMELA D A Director OPT+S $78.28 10,000 $782,800 8,135 0.0%
2013-11-07 01:37 2013-11-04 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $78.97 96,826 $7,646,349 100,041 0.0%
2013-11-01 00:21 2013-10-30 DiSanto Edmund Officer - EVP, Chief Admin Officer & GC OPT+S $80.99 25,000 $2,024,750 55,671 0.0%
2013-10-09 00:15 2013-10-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $72.73 100,000 $7,273,000 100,041 0.0%
2013-09-12 00:15 2013-09-09 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $73.15 100,000 $7,315,050 100,041 0.0%
2013-08-16 15:50 2013-08-15 HESS WILLIAM H Officer - EVP, Int'l. Operations BUY $68.99 2,500 $172,475 35,791 +7.5%
2013-08-07 00:38 2013-08-05 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $70.66 100,000 $7,066,000 100,041 0.0%
2013-07-11 00:45 2013-07-08 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $72.13 100,000 $7,213,000 100,041 0.0%
2013-05-09 23:55 2013-05-08 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller SELL $84.02 2,046 $171,905 6,483 -24.0%
2013-04-04 02:23 2013-04-02 DiSanto Edmund Officer - EVP, Chief Admin Officer & GC OPT+S $77.88 90,688 $7,062,781 55,630 0.0%
2013-03-06 01:34 2013-03-01 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $77.83 10,000 $778,300 20,777 0.0%
2013-02-06 01:57 2013-02-01 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $76.88 10,000 $768,800 20,777 0.0%
2013-01-03 01:47 2013-01-02 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $78.53 10,000 $785,300 20,777 0.0%
2012-12-06 01:05 2012-12-03 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $74.79 10,000 $747,900 20,777 0.0%
2012-12-05 00:52 2012-11-30 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller OPT+S $75.00 4,606 $345,450 4,181 0.0%
2012-12-05 00:53 2012-11-30 DYKES RONALD M Director OPT+S $75.00 12,500 $937,500 17,350 0.0%
2012-11-02 23:36 2012-11-01 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $75.05 10,000 $750,500 20,777 0.0%
2012-10-16 23:51 2012-10-15 Bartlett Thomas A Officer - EVP, CFO &Treasurer SELL $75.00 5,771 $432,825 7,163 -44.6%
2012-10-04 00:09 2012-10-01 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $71.45 10,000 $714,473 20,777 0.0%
2012-09-19 00:09 2012-09-17 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $71.32 10,000 $713,200 20,777 0.0%
2012-09-07 00:02 2012-09-05 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $70.68 13,212 $933,824 20,777 0.0%
2012-08-10 00:06 2012-08-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $70.84 24,491 $1,735,011 69,640 0.0%
2012-08-02 23:45 2012-08-01 Marshall Steven C. Officer - EVP & President, U.S. Tower OPT+S $74.00 30,000 $2,220,000 3,410 0.0%
2012-07-13 00:07 2012-07-10 Marshall Steven C. Officer - EVP & President, U.S. Tower OPT+S $72.00 32,500 $2,340,000 3,410 0.0%
2012-07-12 00:16 2012-07-09 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $71.21 60,000 $4,272,600 69,640 0.0%
2012-07-03 00:37 2012-06-29 Marshall Steven C. Officer - EVP & President, U.S. Tower OPT+S $70.13 51,488 $3,610,853 3,410 0.0%
2012-06-20 15:40 2012-06-19 Marshall Steven C. Officer - EVP & President, U.S. Tower SELL $69.00 14,272 $984,768 3,410 -80.7%
2012-06-16 00:03 2012-06-14 Marshall Steven C. Officer - EVP & President, U.S. Tower SELL $67.00 7,564 $506,788 17,682 -30.0%
2012-06-16 00:03 2012-06-14 Lara Gustavo Director OPT+S $67.00 33,442 $2,240,614 9,422 0.0%
2012-06-14 00:11 2012-06-11 Lara Gustavo Director OPT+S $67.00 2,877 $192,759 9,422 0.0%
2012-06-08 23:59 2012-06-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $65.87 60,000 $3,951,936 69,640 0.0%
2012-05-09 00:24 2012-05-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $66.69 60,000 $4,001,238 69,640 0.0%
2012-03-16 00:12 2012-03-14 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller OPT+S $62.95 7,694 $484,347 8,183 0.0%
2012-03-15 00:53 2012-03-12 SHARBUTT DAVID E Director OPT+S $62.07 25,965 $1,611,570 0 0.0%
2011-12-30 01:11 2011-12-29 DiSanto Edmund Officer - EVP, Chief Admin Ofc, GC & Sec OPT+S $60.52 21,875 $1,323,875 27,465 0.0%
2011-12-08 01:37 2011-12-05 DOLAN RAYMOND P Director OPT+S $59.29 45,000 $2,668,100 6,313 0.0%
2011-12-06 05:32 2011-12-01 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $58.75 39,661 $2,330,084 5,814 0.0%
SHOW ENTRIES

How to Interpret $AMT Trades

Not every insider transaction in American Tower Corporation is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $AMT shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for AMT

Insider activity data for American Tower Corporation is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $AMT, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.