American Tower Corporation

AMTNYSEReal Estate● Active

$190.48

$-3.64(-1.88%)

Market Cap$88.7B

P/E Ratio—

52W High$234.33

52W Low$165.08

Avg Volume3.2M

Open$193.00

Beta0.89

Insider Trades Ownership Employees

American Tower Corporation (AMT) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · AMT · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.13

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 11%Active transactions only · RSU vesting excluded89% Sell ↓

American Tower Corporation insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

AMT insider buying and selling by quarter

AMT insider selling · AMT insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

273K136K0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · AMT ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

AMT executive sell shares · AMT board member insider trading · AMT insider trading SEC filing

Showing 89 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 28, 2026	REEVE PAMELA D A Director	Gift	810	—	—	21,089	Form 4
Apr 28, 2026	Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec	Sale	556	$178.48	$99K	29,877	Form 4
Apr 29, 2026	Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec	Sale	416	$177.54	$74K	29,461	Form 4
Mar 10, 2026	Rossi Richard C EVP & President, U.S. Tower	Award	6,448	—	—	19,746	Form 4
Mar 10, 2026	Rossi Richard C EVP & President, U.S. Tower	Other	1,544	$186.12	$287K	18,202	Form 4
Mar 11, 2026	Rossi Richard C EVP & President, U.S. Tower	Other	684	$182.85	$125K	17,518	Form 4
Mar 10, 2026	Font Juan SVP, Pres. & CEO, CoreSite	Award	8,060	—	—	31,114	Form 4
Mar 10, 2026	Font Juan SVP, Pres. & CEO, CoreSite	Other	1,834	$186.12	$341K	29,280	Form 4
Mar 11, 2026	Font Juan SVP, Pres. & CEO, CoreSite	Other	928	$182.85	$170K	28,352	Form 4
Mar 10, 2026	Smith Rodney M EVP, CFO & Treasurer	Award	10,531	—	—	106,270	Form 4
Mar 10, 2026	Smith Rodney M EVP, CFO & Treasurer	Other	12,433	$186.12	$2.31M⚡	93,837	Form 4
Mar 11, 2026	Smith Rodney M EVP, CFO & Treasurer	Other	1,295	$182.85	$237K	92,542	Form 4
Mar 10, 2026	Meyer Robert Joseph SVP & Chief Accounting Officer	Award	4,030	—	—	28,491	Form 4
Mar 10, 2026	Meyer Robert Joseph SVP & Chief Accounting Officer	Other	1,368	$186.12	$255K	27,123	Form 4
Mar 11, 2026	Meyer Robert Joseph SVP & Chief Accounting Officer	Other	684	$182.85	$125K	26,439	Form 4
Mar 10, 2026	Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec	Award	6,878	—	—	37,925	Form 4
Mar 10, 2026	Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec	Other	6,629	$186.12	$1.23M⚡	31,296	Form 4
Mar 11, 2026	Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec	Other	863	$182.85	$158K	30,433	Form 4
Mar 10, 2026	Noel Eugene M EVP & Chief Operating Officer	Award	8,167	—	—	37,759	Form 4
Mar 10, 2026	Noel Eugene M EVP & Chief Operating Officer	Other	2,498	$186.12	$465K	35,261	Form 4
Mar 11, 2026	Noel Eugene M EVP & Chief Operating Officer	Other	719	$182.85	$131K	34,542	Form 4
Mar 10, 2026	Vondran Steven O President and CEO · Director	Award	20,955	—	—	126,329	Form 4
Mar 10, 2026	Vondran Steven O President and CEO · Director	Other	15,269	$186.12	$2.84M⚡	111,060	Form 4
Mar 11, 2026	Vondran Steven O President and CEO · Director	Other	2,158	$182.85	$395K	108,902	Form 4
Mar 10, 2026	Chambliss Kelly C Director	Award	1,209	—	—	4,426	Form 4

REEVE PAMELA D A

Director

Gift

Date

May 28

810

Price

—

Value

—

View Form 4 on SEC.gov

Dowling Ruth T

EVP, Chief Admin Ofr, GC & Sec

Sale

Date

Apr 28

556

Price

$178.48

Value

$99K

View Form 4 on SEC.gov

Dowling Ruth T

EVP, Chief Admin Ofr, GC & Sec

Sale

Date

Apr 29

416

Price

$177.54

Value

$74K

View Form 4 on SEC.gov

Rossi Richard C

EVP & President, U.S. Tower

Award

Date

Mar 10

6,448

Price

—

Value

—

View Form 4 on SEC.gov

Rossi Richard C

EVP & President, U.S. Tower

Other

Date

Mar 10

1,544

Price

$186.12

Value

$287K

View Form 4 on SEC.gov

Rossi Richard C

EVP & President, U.S. Tower

Other

Date

Mar 11

684

Price

$182.85

Value

$125K

View Form 4 on SEC.gov

Font Juan

SVP, Pres. & CEO, CoreSite

Award

Date

Mar 10

8,060

Price

—

Value

—

View Form 4 on SEC.gov

Font Juan

SVP, Pres. & CEO, CoreSite

Other

Date

Mar 10

1,834

Price

$186.12

Value

$341K

View Form 4 on SEC.gov

Font Juan

SVP, Pres. & CEO, CoreSite

Other

Date

Mar 11

928

Price

$182.85

Value

$170K

View Form 4 on SEC.gov

Smith Rodney M

EVP, CFO & Treasurer

Award

Date

Mar 10

10,531

Price

—

Value

—

View Form 4 on SEC.gov

Smith Rodney M

EVP, CFO & Treasurer

Other

Date

Mar 10

12,433

Price

$186.12

Value

$2.31M ⚡

View Form 4 on SEC.gov

Smith Rodney M

EVP, CFO & Treasurer

Other

Date

Mar 11

1,295

Price

$182.85

Value

$237K

View Form 4 on SEC.gov

Meyer Robert Joseph

SVP & Chief Accounting Officer

Award

Date

Mar 10

4,030

Price

—

Value

—

View Form 4 on SEC.gov

Meyer Robert Joseph

SVP & Chief Accounting Officer

Other

Date

Mar 10

1,368

Price

$186.12

Value

$255K

View Form 4 on SEC.gov

Meyer Robert Joseph

SVP & Chief Accounting Officer

Other

Date

Mar 11

684

Price

$182.85

Value

$125K

View Form 4 on SEC.gov

Dowling Ruth T

EVP, Chief Admin Ofr, GC & Sec

Award

Date

Mar 10

6,878

Price

—

Value

—

View Form 4 on SEC.gov

Dowling Ruth T

EVP, Chief Admin Ofr, GC & Sec

Other

Date

Mar 10

6,629

Price

$186.12

Value

$1.23M ⚡

View Form 4 on SEC.gov

Dowling Ruth T

EVP, Chief Admin Ofr, GC & Sec

Other

Date

Mar 11

863

Price

$182.85

Value

$158K

View Form 4 on SEC.gov

Noel Eugene M

EVP & Chief Operating Officer

Award

Date

Mar 10

8,167

Price

—

Value

—

View Form 4 on SEC.gov

Noel Eugene M

EVP & Chief Operating Officer

Other

Date

Mar 10

2,498

Price

$186.12

Value

$465K

View Form 4 on SEC.gov

Noel Eugene M

EVP & Chief Operating Officer

Other

Date

Mar 11

719

Price

$182.85

Value

$131K

View Form 4 on SEC.gov

Vondran Steven O

President and CEO · Director

Award

Date

Mar 10

20,955

Price

—

Value

—

View Form 4 on SEC.gov

Vondran Steven O

President and CEO · Director

Other

Date

Mar 10

15,269

Price

$186.12

Value

$2.84M ⚡

View Form 4 on SEC.gov

Vondran Steven O

President and CEO · Director

Other

Date

Mar 11

2,158

Price

$182.85

Value

$395K

View Form 4 on SEC.gov

Chambliss Kelly C

Director

Award

Date

Mar 10

1,209

Price

—

Value

—

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About AMT insider trading

AMT insider trades

American Tower Corporation (AMT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Smith Rodney M (EVP, CFO & Treasurer), Dowling Ruth T (EVP, Chief Admin Ofr, GC & Sec), Noel Eugene M (EVP & Chief Operating Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. AMT insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For American Tower Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

AMT insider trading · 5 questions

The insiders of American Tower Corporation (AMT) include executives and directors such as Smith Rodney M (EVP, CFO & Treasurer), Dowling Ruth T (EVP, Chief Admin Ofr, GC & Sec), Noel Eugene M (EVP & Chief Operating Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

AMT board member insider tradingwho are AMT insidersAMT insider rosterAmerican Tower Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026