Ruth T. Dowling

CIK: 0001960785

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (47.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (17.6%)

Compensation grants

Other (G, F, J, C, D, …)6 (35.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AMT

AMERICAN TOWER CORP /MA/

Officer

Discretionary Trading P&L

Holdings

Transaction History (17 total)

AMT
AMERICAN TOWER CORP /MA/
Oct 29, 2026
Sale(S)
Direct
952 shares at avg. $185.81$177K
AMT
AMERICAN TOWER CORP /MA/
Oct 28, 2026
Sale(S)
Direct
626 shares at avg. $182.00$114K
AMT
AMERICAN TOWER CORP /MA/
Jul 29, 2026
Sale(S)
Direct
1.1K shares at avg. $174.96$194K
AMT
AMERICAN TOWER CORP /MA/
Jul 28, 2026
Sale(S)
Direct
685 shares at avg. $169.54$116K
AMT
AMERICAN TOWER CORP /MA/
Apr 29, 2026
Sale(S)
Direct
416 shares at avg. $177.54$74K
AMT
AMERICAN TOWER CORP /MA/
Apr 28, 2026
Sale(S)
Direct
556 shares at avg. $178.48$99K
AMT
AMERICAN TOWER CORP /MA/
Mar 11, 2026
Tax Payment(F)
Direct
863 shares at avg. $182.85$158K
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2026
Award(A)
Direct
6.9K shares-
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2026
Tax Payment(F)
Direct
6.6K shares at avg. $186.12$1.2M
AMT
AMERICAN TOWER CORP /MA/
Mar 4, 2026
Sale(S)
Direct
682 shares at avg. $188.51$129K
AMT
AMERICAN TOWER CORP /MA/
Feb 27, 2026
Sale(S)
Direct
656 shares at avg. $186.16$122K
AMT
AMERICAN TOWER CORP /MA/
Feb 25, 2026
Award(A)
Direct
11.1K shares-
AMT
AMERICAN TOWER CORP /MA/
Oct 1, 2025
Tax Payment(F)
Direct
55 shares at avg. $193.32$11K
AMT
AMERICAN TOWER CORP /MA/
Mar 11, 2025
Tax Payment(F)
Direct
905 shares at avg. $209.78$190K
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2025
Award(A)
Direct
6K shares-
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2025
Tax Payment(F)
Direct
1.4K shares at avg. $213.07$301K
AMT
AMERICAN TOWER CORP /MA/
Oct 1, 2024
Tax Payment(F)
Direct
59 shares at avg. $232.07$14K

		Type	Shares	Price		Ownership
Oct 29, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	952	$185.81	$176,891	Direct
Oct 28, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	626	$182.00	$113,932	Direct
Jul 29, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	1,106	$174.96	$193,506	Direct
Jul 28, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	685	$169.54	$116,135	Direct
Apr 29, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	416	$177.54	$73,857	Direct
Apr 28, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	556	$178.48	$99,235	Direct
Mar 11, 2026	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	863	$182.85	$157,800	Direct
Mar 10, 2026	AMT AMERICAN TOWER CORP /MA/	Award(A)	6,878	-	$0	Direct
Mar 10, 2026	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	6,629	$186.12	$1,233,789	Direct
Mar 4, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	682	$188.51	$128,564	Direct
Feb 27, 2026	AMT AMERICAN TOWER CORP /MA/	Sale(S)	656	$186.16	$122,121	Direct
Feb 25, 2026	AMT AMERICAN TOWER CORP /MA/	Award(A)	11,083	-	$0	Direct
Oct 1, 2025	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	55	$193.32	$10,633	Direct
Mar 11, 2025	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	905	$209.78	$189,851	Direct
Mar 10, 2025	AMT AMERICAN TOWER CORP /MA/	Award(A)	6,008	-	-	Direct
Mar 10, 2025	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	1,411	$213.07	$300,642	Direct
Oct 1, 2024	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	59	$232.07	$13,692	Direct

1-17 of 17 transactions

About Dowling Ruth T

Dowling Ruth T (SEC CIK 0001960785) files insider reports with the SEC as EVP, Chief Admin Ofr, GC & Sec of AMERICAN TOWER CORP /MA/ (AMT).

Signal8 holds 10 ownership filings by Dowling Ruth T, all Form 4s, filed between Oct 3, 2024 and Oct 30, 2026. Those filings report 17 transactions, from Oct 1, 2024 to Oct 29, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Dowling Ruth T's filings is in BOSTON, MA.

Recent filings by Dowling Ruth T

Oct 29, 2026: Open-market sale of AMT shares (Form 4, code S).
Oct 28, 2026: Open-market sale of AMT shares (Form 4, code S).
Jul 29, 2026: Open-market sale of AMT shares (Form 4, code S).
Jul 28, 2026: Open-market sale of AMT shares (Form 4, code S).
Apr 29, 2026: Open-market sale of AMT shares (Form 4, code S).

Other insiders filing for AMERICAN TOWER CORP /MA/ (AMT)

Font Juan, SVP, Pres. & CEO, CoreSite
Clarke Teresa Hillary, Director
Blanchett Paul, SVP & Chief Accounting Officer
Ludgate Kristen M, Director
Kalathur Rajesh, Director
Meyer Robert Joseph, SVP & Advisor to the CFO

How to read Form 4 transaction codes