About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker AMT

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Oct 30, 2026Juan Font
SVP, Pres. & CEO, CoreSite
AMT
American Tower Corporation
Sale592$189.63$112.3K SaleForm 4 ↗
Oct 29, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale952$185.81$176.9K SaleForm 4 ↗
Oct 28, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale626$182.00$113.9K SaleForm 4 ↗
Oct 20, 2026Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy43$183.20$7,864 BuyForm 4 ↗
Aug 21, 2026Rajesh Kalathur
Director
AMT
American Tower Corporation
Buy2,829$177.00$500.7K BuyForm 4 ↗
Jul 29, 2026Robert Joseph Meyer
SVP & Advisor to the CFO
AMT
American Tower Corporation
Sale5,000$178.89$894.5K SaleForm 4 ↗
Jul 29, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale1,106$174.96$193.5K SaleForm 4 ↗
Jul 28, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale685$169.54$116.1K SaleForm 4 ↗
Jul 13, 2026Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy46$167.52$7,781 BuyForm 4 ↗
Apr 29, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale416$177.54$73.9K SaleForm 4 ↗
Apr 28, 2026Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy44$177.08$7,703 BuyForm 4 ↗
Apr 28, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale556$178.48$99.2K SaleForm 4 ↗
Mar 10, 2026Rajesh Kalathur
Director
AMT
American Tower Corporation
Buy2,671$185.30$494.9K BuyForm 4 ↗
Mar 4, 2026Steven O. Vondran
President and CEO, Director
AMT
American Tower Corporation
Sale1,773$189.82$336.6K SaleForm 4 ↗
Mar 4, 2026Steven O. Vondran
President and CEO, Director
AMT
American Tower Corporation
Sale16,625$188.82$3.1M SaleForm 4 ↗
Mar 4, 2026Steven O. Vondran
President and CEO, Director
AMT
American Tower Corporation
Sale15,084$187.90$2.8M SaleForm 4 ↗
Mar 4, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale682$188.51$128.6K SaleForm 4 ↗
Mar 2, 2026Eugene M. Noel
EVP & Chief Operating Officer
AMT
American Tower Corporation
Sale6,985$192.03$1.3M SaleForm 4 ↗
Mar 2, 2026Eugene M. Noel
EVP & Chief Operating Officer
AMT
American Tower Corporation
Sale21,604$191.40$4.1M SaleForm 4 ↗
Mar 2, 2026Eugene M. Noel
EVP & Chief Operating Officer
AMT
American Tower Corporation
Sale7,378$190.29$1.4M SaleForm 4 ↗
Mar 2, 2026Eugene M. Noel
EVP & Chief Operating Officer
AMT
American Tower Corporation
Sale5,242$189.36$992.6K SaleForm 4 ↗
Feb 27, 2026Ruth T. Dowling
EVP, Chief Admin Ofr, GC & Sec
AMT
American Tower Corporation
Sale656$186.16$122.1K SaleForm 4 ↗
Feb 27, 2026Robert Joseph Meyer
SVP & Chief Accounting Officer
AMT
American Tower Corporation
Sale4,454$186.73$831.7K SaleForm 4 ↗
Feb 17, 2026Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale1$193.13$193 SaleForm 4 ↗
Feb 17, 2026Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale22,658$192.49$4.4M SaleForm 4 ↗
Feb 17, 2026Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale9,596$191.52$1.8M SaleForm 4 ↗
Feb 17, 2026Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale2,086$190.35$397.1K SaleForm 4 ↗
Feb 2, 2026Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy31$178.04$5,468 BuyForm 4 ↗
Oct 31, 2025Eugene F. Reilly
Director
AMT
American Tower Corporation
Buy5,554$178.99$994.1K BuyForm 4 ↗
Oct 20, 2025Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy29$189.12$5,420 BuyForm 4 ↗
Jul 31, 2025Juan Font
SVP, Pres. & CEO, CoreSite
AMT
American Tower Corporation
Sale720$208.33$150.0K SaleForm 4 ↗
Jul 11, 2025Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy24$223.23$5,379 BuyForm 4 ↗
Apr 28, 2025Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy25$209.33$5,335 BuyForm 4 ↗
Mar 17, 2025Sanjay Goel
EVP & President, Asia-Pacific
AMT
American Tower Corporation
Sale4,000$215.92$863.7K SaleForm 4 ↗
Feb 27, 2025Robert Joseph Meyer Jr.
SVP & Chief Accounting Officer
AMT
American Tower Corporation
Sale2,939$202.18$594.2K SaleForm 4 ↗
Feb 26, 2025Robert Joseph Meyer Jr.
SVP & Chief Accounting Officer
AMT
American Tower Corporation
Sale2,724$201.12$547.9K SaleForm 4 ↗
Feb 26, 2025Pamela D. A. Reeve
Director
AMT
American Tower Corporation
Sale4,971$202.97$1.0M SaleForm 4 ↗
Feb 13, 2025Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale1,517$190.34$288.7K SaleForm 4 ↗
Feb 13, 2025Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale15,051$189.64$2.9M SaleForm 4 ↗
Feb 3, 2025Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy18$187.27$3,292 BuyForm 4 ↗
Jan 16, 2025Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale2,276$181.57$413.3K SaleForm 4 ↗
Jan 16, 2025Rodney M. Smith
EVP, CFO & Treasurer
AMT
American Tower Corporation
Sale14,291$181.03$2.6M SaleForm 4 ↗
Oct 25, 2024Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy14$227.42$3,268 BuyForm 4 ↗
Jul 12, 2024Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy16$204.28$3,243 BuyForm 4 ↗
Apr 26, 2024Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy19$172.82$3,212 BuyForm 4 ↗
Feb 1, 2024Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy8$199.95$1,536 BuyForm 4 ↗
Oct 27, 2023Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy8$171.52$1,450 BuyForm 4 ↗
Jul 10, 2023Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy7$193.78$1,394 BuyForm 4 ↗
Apr 28, 2023Teresa Hillary Clarke
Director
AMT
American Tower Corporation
Buy7$205.93$1,374 BuyForm 4 ↗

49 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:02 PM EST.

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