The Filings Report

American Tower Corporation insider trading

AMTfinancial statementsForm 4 filings on EDGAR128 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 2 insiders at American Tower Corporation bought $509K of stock in the open market, and 1 sold $291K. Officers and directors accounted for $509K of purchases and $291K of sales. The last reported transaction was an open-market sale by Dowling Ruth T on October 29, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 30, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

AMT daily priceSplit-adjusted prices in US dollars

Bought $509KSold $291KAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $187.93 · H $189.99 · L $186.58 · C $187.78Bought $0 (0)Sold $0 (0)
$158$170$181$193$2052026-08-04: open $170.50, high $175.55, low $169.03, close $175.252026-08-05: open $173.50, high $173.81, low $162.50, close $168.072026-08-06: open $169.69, high $172.38, low $167.39, close $171.202026-08-07: open $170.51, high $173.77, low $170.51, close $172.542026-08-10: open $171.26, high $171.62, low $168.72, close $169.112026-08-11: open $168.50, high $171.62, low $168.50, close $169.552026-08-12: open $169.22, high $172.39, low $168.93, close $170.432026-08-13: open $171.35, high $175.00, low $171.25, close $174.192026-08-14: open $174.26, high $176.59, low $173.77, close $175.582026-08-17: open $174.92, high $175.22, low $170.15, close $172.232026-08-18: open $174.86, high $175.33, low $172.25, close $172.332026-08-19: open $173.00, high $175.76, low $172.62, close $174.492026-08-20: open $177.04, high $177.91, low $174.96, close $175.722026-08-21: open $175.96, high $178.02, low $174.42, close $175.802026-08-24: open $176.46, high $178.86, low $175.90, close $178.392026-08-25: open $177.85, high $179.00, low $177.06, close $178.572026-08-26: open $180.00, high $180.98, low $175.35, close $175.732026-08-27: open $174.19, high $176.11, low $173.50, close $174.162026-08-28: open $174.54, high $177.32, low $174.22, close $176.232026-08-31: open $175.90, high $176.87, low $173.39, close $175.702026-09-01: open $175.90, high $178.24, low $174.62, close $176.022026-09-02: open $175.90, high $176.39, low $171.73, close $172.922026-09-03: open $174.93, high $179.05, low $174.89, close $177.752026-09-04: open $176.39, high $179.39, low $175.35, close $175.852026-09-08: open $178.34, high $179.19, low $174.23, close $175.732026-09-09: open $175.48, high $176.45, low $174.60, close $175.432026-09-10: open $176.18, high $176.85, low $171.75, close $172.982026-09-11: open $174.59, high $178.54, low $174.34, close $177.852026-09-14: open $179.13, high $179.47, low $174.85, close $176.942026-09-15: open $176.09, high $178.70, low $174.69, close $177.712026-09-16: open $177.39, high $179.80, low $176.34, close $176.392026-09-17: open $177.38, high $177.38, low $174.75, close $175.582026-09-18: open $173.20, high $175.57, low $172.82, close $173.982026-09-21: open $173.83, high $175.46, low $173.11, close $174.602026-09-22: open $174.30, high $177.08, low $172.84, close $175.252026-09-23: open $174.57, high $175.97, low $170.46, close $170.782026-09-24: open $170.78, high $171.09, low $166.54, close $167.262026-09-25: open $166.95, high $169.20, low $166.42, close $169.032026-09-28: open $168.90, high $169.89, low $166.97, close $168.002026-09-29: open $167.25, high $169.22, low $166.07, close $167.352026-09-30: open $167.57, high $167.73, low $163.35, close $163.692026-10-01: open $163.62, high $164.79, low $160.94, close $161.062026-10-02: open $162.22, high $165.23, low $160.85, close $162.202026-10-05: open $161.78, high $162.67, low $160.30, close $162.262026-10-06: open $162.86, high $165.24, low $162.42, close $164.782026-10-07: open $165.44, high $168.30, low $164.57, close $166.182026-10-08: open $166.84, high $167.42, low $163.66, close $166.732026-10-09: open $176.91, high $182.52, low $175.02, close $182.242026-10-12: open $182.25, high $183.31, low $180.03, close $182.562026-10-13: open $184.50, high $184.75, low $179.36, close $179.432026-10-14: open $178.24, high $179.94, low $176.42, close $179.402026-10-15: open $182.75, high $184.69, low $180.37, close $181.362026-10-16: open $181.48, high $185.88, low $180.54, close $185.272026-10-19: open $184.39, high $186.00, low $181.31, close $183.032026-10-20: open $184.50, high $185.86, low $182.96, close $183.562026-10-21: open $183.50, high $183.78, low $177.10, close $177.642026-10-22: open $178.65, high $182.78, low $177.18, close $181.572026-10-23: open $201.34, high $202.50, low $185.44, close $188.972026-10-26: open $188.50, high $191.19, low $187.28, close $188.282026-10-27: open $186.50, high $187.73, low $182.06, close $183.832026-10-28: open $182.00, high $183.95, low $175.78, close $183.752026-10-29: open $185.81, high $187.06, low $183.11, close $185.882026-10-30: open $187.93, high $189.99, low $186.58, close $187.78Insider purchases / sales · USD$1M$0−$1M2026-08-21: 1 purchases ($501K), 0 sales ($0)2026-10-20: 1 purchases ($8K), 0 sales ($0)2026-10-28: 0 purchases ($0), 1 sales ($114K)2026-10-29: 0 purchases ($0), 1 sales ($177K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

128 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 29, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-1952$185.81$177K26,133Oct 30, 2026
Oct 28, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-1626$182.00$114K27,085Oct 30, 2026
Oct 20, 2026Clarke Teresa HillaryDirectoropen-market buy43$183.20$8K5,645Oct 22, 2026
Oct 1, 2026Blanchett PaulSVP & Chief Accounting Officeraward16,299$0.00—16,299Oct 5, 2026
Aug 21, 2026Kalathur RajeshDirectoropen-market buy2,829$177.00$501K7,765Aug 25, 2026
Jul 29, 2026Meyer Robert JosephSVP & Advisor to the CFOopen-market sale5,000$178.89$894K21,428Jul 31, 2026
Jul 29, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-11,106$174.96$194K27,711Jul 30, 2026
Jul 28, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-1685$169.54$116K28,817Jul 30, 2026
Jul 13, 2026Clarke Teresa HillaryDirectoropen-market buy46$167.52$8K5,602Oct 22, 2026
Jun 1, 2026Meyer Robert JosephSVP & Advisor to the CFOtax withholding153$187.53$29K26,286Jun 3, 2026
May 28, 2026Reeve Pamela D ADirectorgift810$0.00—21,089Jun 1, 2026
Apr 29, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-1416$177.54$74K29,461Apr 30, 2026
Apr 28, 2026Clarke Teresa HillaryDirectoropen-market buy44$177.08$8K5,556Oct 22, 2026
Apr 28, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secopen-market sale10b5-1556$178.48$99K29,877Apr 30, 2026
Mar 11, 2026Rossi Richard CEVP & President, U.S. Towertax withholding684$182.85$125K17,518Mar 12, 2026
Mar 11, 2026Font JuanSVP, Pres. & CEO, CoreSitetax withholding928$182.85$170K28,352Mar 12, 2026
Mar 11, 2026Smith Rodney MEVP, CFO & Treasurertax withholding1,295$182.85$237K92,542Mar 12, 2026
Mar 11, 2026Meyer Robert JosephSVP & Chief Accounting Officertax withholding684$182.85$125K26,439Mar 12, 2026
Mar 11, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Sectax withholding863$182.85$158K30,433Mar 12, 2026
Mar 11, 2026Noel Eugene MEVP & Chief Operating Officertax withholding719$182.85$131K34,542Mar 12, 2026
Mar 11, 2026Vondran Steven OPresident and CEO, Directortax withholding2,158$182.85$395K108,902Mar 12, 2026
Mar 10, 2026Rossi Richard CEVP & President, U.S. Towertax withholding1,544$186.12$287K18,202Mar 12, 2026
Mar 10, 2026Rossi Richard CEVP & President, U.S. Toweraward6,448$0.00—19,746Mar 12, 2026
Mar 10, 2026Font JuanSVP, Pres. & CEO, CoreSitetax withholding1,834$186.12$341K29,280Mar 12, 2026
Mar 10, 2026Font JuanSVP, Pres. & CEO, CoreSiteaward8,060$0.00—31,114Mar 12, 2026
Mar 10, 2026Smith Rodney MEVP, CFO & Treasureraward10,531$0.00—106,270Mar 12, 2026
Mar 10, 2026Smith Rodney MEVP, CFO & Treasurertax withholding12,433$186.12$2M93,837Mar 12, 2026
Mar 10, 2026Meyer Robert JosephSVP & Chief Accounting Officeraward4,030$0.00—28,491Mar 12, 2026
Mar 10, 2026Meyer Robert JosephSVP & Chief Accounting Officertax withholding1,368$186.12$255K27,123Mar 12, 2026
Mar 10, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Sectax withholding6,629$186.12$1M31,296Mar 12, 2026
Mar 10, 2026Dowling Ruth TEVP, Chief Admin Ofr, GC & Secaward6,878$0.00—37,925Mar 12, 2026
Mar 10, 2026Noel Eugene MEVP & Chief Operating Officeraward8,167$0.00—37,759Mar 12, 2026
Mar 10, 2026Noel Eugene MEVP & Chief Operating Officertax withholding2,498$186.12$465K35,261Mar 12, 2026
Mar 10, 2026Vondran Steven OPresident and CEO, Directortax withholding15,269$186.12$3M111,060Mar 12, 2026
Mar 10, 2026Vondran Steven OPresident and CEO, Directoraward20,955$0.00—126,329Mar 12, 2026
Mar 10, 2026Chambliss Kelly CDirectoraward1,209$0.00—4,426Mar 12, 2026
Mar 10, 2026Macnab CraigDirectoraward1,209$0.00—15,315Mar 12, 2026
Mar 10, 2026Kalathur RajeshDirectoropen-market buy2,671$185.30$495K4,936Mar 12, 2026
Mar 10, 2026Kalathur RajeshDirectoraward1,209$0.00—2,265Mar 12, 2026
Mar 10, 2026Hormats Robert DDirectoraward1,209$0.00—9,597Mar 12, 2026
Mar 10, 2026Clarke Teresa HillaryDirectoraward1,209$0.00—5,307Mar 12, 2026
Mar 10, 2026Reeve Pamela D ADirectoraward1,209$0.00—21,899Mar 12, 2026
Mar 10, 2026Ray Neville RDirectoraward1,209$0.00—2,265Mar 12, 2026
Mar 10, 2026Reilly Eugene FDirectoraward1,209$0.00—6,898Mar 12, 2026
Mar 10, 2026Tanner Bruce LDirectoraward1,209$0.00—6,940Mar 12, 2026
Mar 10, 2026Lieblein GraceDirectoraward1,209$0.00—9,141Mar 12, 2026
Mar 10, 2026Frank Kenneth RDirectoraward1,209$0.00—6,188Mar 12, 2026
Mar 4, 2026Vondran Steven OPresident and CEO, Directoropen-market sale10b5-11,773$189.82$337K105,374Mar 6, 2026
Mar 4, 2026Vondran Steven OPresident and CEO, Directoropen-market sale10b5-115,084$187.90$3M123,772Mar 6, 2026
Mar 4, 2026Vondran Steven OPresident and CEO, Directoroption exercise33,482$94.71$3M138,856Mar 6, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Noel Eugene MEVP & Chief Operating OfficerMar 11, 2026tax withholding34,542—$8M (4)4 of 4
Smith Rodney MEVP, CFO & TreasurerMar 11, 2026tax withholding92,542—$7M (4)4 of 4
Vondran Steven OPresident and CEO, DirectorMar 11, 2026tax withholding108,902—$6M (3)3 of 3
Meyer Robert JosephSVP & Advisor to the CFOJul 29, 2026open-market sale21,428—$2M (2)0 of 2
Dowling Ruth TEVP, Chief Admin Ofr, GC & SecOct 29, 2026open-market sale26,133—$1M (8)8 of 8
Kalathur RajeshDirectorAug 21, 2026open-market buy7,765$996K (2)——
Clarke Teresa HillaryDirectorOct 20, 2026open-market buy5,645$29K (4)——
Font JuanSVP, Pres. & CEO, CoreSiteMar 11, 2026tax withholding28,352———
Rossi Richard CEVP & President, U.S. TowerMar 11, 2026tax withholding17,518———
Meyer Robert Joseph JRSVP & Chief Accounting OfficerJun 1, 2025tax withholding28,794———
Reeve Pamela D ADirectorMay 28, 2026gift21,089———
Puech OlivierEVP & President, InternationalMar 11, 2025tax withholding38,023———
Chambliss Kelly CDirectorMar 10, 2026award4,426———
Macnab CraigDirectorMar 10, 2026award15,315———
Hormats Robert DDirectorMar 10, 2026award9,597———
Ray Neville RDirectorMar 10, 2026award2,265———
Reilly Eugene FDirectorMar 10, 2026award6,898———
Tanner Bruce LDirectorMar 10, 2026award6,940———
Lieblein GraceDirectorMar 10, 2026award9,141———
Frank Kenneth RDirectorMar 10, 2026award6,188———
Goel SanjayEVP & President, Asia-PacificMar 17, 2025open-market sale25,408———
Blanchett PaulSVP & Chief Accounting OfficerOct 1, 2026award16,299———
Reed Joann ADirectorMar 10, 2025award62,940———

Questions

Are American Tower Corporation insiders buying or selling?

Over the twelve months to November 1, 2026, 5 insiders at American Tower Corporation sold $24M of stock in the open market, all by officers and directors, and 2 insiders bought $1M, all by officers and directors. Net, insiders sold $23M. Only open-market purchases and sales are counted.

Who sold the most American Tower Corporation stock in the last year?

Noel Eugene M (EVP & Chief Operating Officer) sold $8M in 4 open-market sales over the twelve months to November 1, 2026.

Do American Tower Corporation executives sell under 10b5-1 plans?

19 of the 21 open-market sales in the last twelve months (91%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on American Tower Corporation

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.