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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, %
2019-01-24 00:35 2019-01-18 Bartlett Thomas A Officer - EVP and CFO OPT+S $165.00 51,203 $8,448,495 114,230 0.0%
2019-01-24 00:33 2019-01-18 Lara Gustavo Director SELL $165.00 3,050 $503,250 12,457 -19.7%
2019-01-05 00:36 2019-01-02 THOMPSON SAMME L Director OPT+S $157.11 2,000 $314,220 18,625 0.0%
2018-12-12 01:05 2018-12-07 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $167.04 10,463 $1,747,733 147,047 0.0%
2018-12-11 00:30 2018-12-06 Bartlett Thomas A Officer - EVP and CFO OPT+S $165.00 20,000 $3,300,000 114,230 0.0%
2018-11-30 00:30 2018-11-28 Puech Olivier Officer - EVP & President, LatAm & EMEA OPT+S $161.87 10,747 $1,739,582 18,016 0.0%
2018-11-22 00:48 2018-11-19 Bartlett Thomas A Officer - EVP and CFO OPT+S $165.00 93,338 $15,400,770 114,230 0.0%
2018-11-22 00:47 2018-11-19 Puech Olivier Officer - EVP & President, LatAm & EMEA OPT+S $164.86 10,747 $1,771,736 18,016 0.0%
2018-11-17 00:49 2018-11-14 SHARBUTT DAVID E Director SELL $160.88 813 $130,795 3,968 -17.0%
2018-11-10 00:38 2018-11-07 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $156.82 11,000 $1,725,022 147,021 0.0%
2018-11-10 00:36 2018-11-07 SHARBUTT DAVID E Director OPT+S $157.06 3,590 $563,845 4,781 0.0%
2018-11-09 00:38 2018-11-06 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller OPT+S $156.43 44,959 $7,033,080 26,609 0.0%
2018-11-01 23:15 2018-10-30 Marshall Steven C. Officer - Former Officer OPT+S $156.86 163,166 $25,594,757 104,835 0.0%
2018-09-11 23:45 2018-09-07 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $146.78 13,000 $1,908,117 147,021 0.0%
2018-08-15 23:21 2018-08-13 REEVE PAMELA D A Director OPT+S $148.92 7,152 $1,065,076 13,999 0.0%
2018-08-09 23:20 2018-08-07 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $149.53 15,000 $2,243,001 147,021 0.0%
2018-08-08 23:20 2018-08-06 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $150.65 43,808 $6,599,482 179,384 0.0%
2018-08-07 23:33 2018-08-03 SHARBUTT DAVID E Director SELL $150.48 1,321 $198,784 4,781 -21.6%
2018-07-11 23:23 2018-07-09 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $142.66 43,843 $6,254,791 179,384 0.0%
2018-06-13 23:20 2018-06-11 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $138.92 43,843 $6,090,472 179,384 0.0%
2018-05-31 23:26 2018-05-29 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $135.53 43,843 $5,942,068 179,384 0.0%
2018-05-14 23:33 2018-05-10 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $140.00 14,223 $1,991,220 146,995 0.0%
2018-04-18 23:44 2018-04-16 Sharma Amit Officer - EVP, Asia SELL $138.82 32,943 $4,573,141 101,584 -24.5%
2018-03-22 23:26 2018-03-20 THOMPSON SAMME L Director OPT+S $146.36 3,500 $512,246 18,625 0.0%
2018-03-15 23:22 2018-03-14 REED JOANN A Director OPT+S $146.83 845 $124,071 35,754 0.0%
2018-03-13 23:50 2018-03-12 HESS WILLIAM H Officer - EVP, Int'l. Operations SELL $145.28 28,291 $4,110,116 76,286 -27.1%
2018-01-05 00:12 2018-01-02 THOMPSON SAMME L Director OPT+S $143.16 5,000 $715,800 17,384 0.0%
2017-12-16 00:21 2017-12-13 SHARBUTT DAVID E Director SELL $144.44 1,584 $228,793 4,861 -24.6%
2017-12-14 00:16 2017-12-11 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $142.52 34,667 $4,940,744 270,707 0.0%
2017-11-16 00:17 2017-11-13 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $151.20 34,000 $5,140,712 270,707 0.0%
2017-10-18 23:18 2017-10-16 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $139.40 34,000 $4,739,505 270,707 0.0%
2017-10-03 23:19 2017-09-29 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $136.00 10,000 $1,360,000 141,928 0.0%
2017-09-26 23:19 2017-09-22 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $137.95 10,000 $1,379,539 141,928 0.0%
2017-09-13 23:20 2017-09-11 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $145.89 34,000 $4,960,291 270,707 0.0%
2017-08-28 23:29 2017-08-24 REEVE PAMELA D A Director OPT+S $143.49 5,000 $717,450 12,758 0.0%
2017-08-23 00:00 2017-08-18 Sharma Amit Officer - EVP, Asia SELL $139.67 20,747 $2,897,657 95,713 -17.8%
2017-06-29 23:17 2017-06-27 Marshall Steven C. Officer - EVP & President, U.S. Tower OPT+S $134.92 20,548 $2,772,336 99,446 0.0%
2017-05-22 23:28 2017-05-18 SHARBUTT DAVID E Director OPT+S $128.61 3,653 $469,812 6,445 0.0%
2017-05-15 23:40 2017-05-11 Sharma Amit Officer - EVP, Asia OPT+S $126.57 61,096 $7,732,921 116,460 0.0%
2017-05-09 23:18 2017-05-05 SHARBUTT DAVID E Director OPT+S $127.77 4,167 $532,418 6,445 0.0%
2017-05-05 23:17 2017-05-03 REED JOANN A Director OPT+S $126.87 7,400 $938,838 30,358 0.0%
2017-05-02 23:39 2017-04-28 Meyer Robert Joseph JR Officer - SVP, Finance & Corp Controller OPT+S $126.16 40,653 $5,128,693 22,893 0.0%
2017-04-05 23:21 2017-04-03 HESS WILLIAM H Officer - EVP, Int'l. Operations OPT+S $120.96 90,489 $10,945,685 109,037 0.0%
2017-04-01 00:05 2017-03-29 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $120.78 15,000 $1,811,700 141,893 0.0%
2017-03-24 23:27 2017-03-23 DiSanto Edmund Officer - EVP, Chief Admin Ofr, GC & Sec OPT+S $119.23 15,000 $1,788,450 141,893 0.0%
2017-03-18 00:00 2017-03-15 Lara Gustavo Director OPT+S $116.00 20,507 $2,378,812 14,464 0.0%
2017-03-09 00:25 2017-03-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $114.62 69,760 $7,996,191 255,169 0.0%
2017-03-07 00:17 2017-03-02 THOMPSON SAMME L Director OPT+S $113.76 10,000 $1,137,600 16,063 0.0%
2017-02-10 00:30 2017-02-07 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $103.33 40,000 $4,133,200 241,587 0.0%
2017-01-13 00:36 2017-01-10 TAICLET JAMES D JR Director, Officer - Chairman, President and CEO OPT+S $104.13 40,000 $4,165,040 241,587 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.