Richard C. Rossi

CIK: 0002053262

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)4 (66.7%)

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 (6 total)

AMT
AMERICAN TOWER CORP /MA/
Mar 11, 2026
Tax Payment(F)
Direct
684 shares at avg. $182.85$125K
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2026
Award(A)
Direct
6.4K shares-
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $186.12$287K
AMT
AMERICAN TOWER CORP /MA/
Mar 11, 2025
Tax Payment(F)
Direct
717 shares at avg. $209.78$150K
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2025
Award(A)
Direct
3.8K shares-
AMT
AMERICAN TOWER CORP /MA/
Mar 10, 2025
Tax Payment(F)
Direct
1K shares at avg. $213.07$220K

		Type	Shares	Price		Ownership
Mar 11, 2026	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	684	$182.85	$125,069	Direct
Mar 10, 2026	AMT AMERICAN TOWER CORP /MA/	Award(A)	6,448	-	$0	Direct
Mar 10, 2026	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	1,544	$186.12	$287,369	Direct
Mar 11, 2025	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	717	$209.78	$150,412	Direct
Mar 10, 2025	AMT AMERICAN TOWER CORP /MA/	Award(A)	3,755	-	-	Direct
Mar 10, 2025	AMT AMERICAN TOWER CORP /MA/	Tax Payment(F)	1,034	$213.07	$220,314	Direct

1-6 of 6 transactions

About Rossi Richard C

Rossi Richard C (SEC CIK 0002053262) files insider reports with the SEC as EVP & President, U.S. Tower of AMERICAN TOWER CORP /MA/ (AMT).

Signal8 holds 3 ownership filings by Rossi Richard C (1 Form 3, 2 Form 4), filed between Jan 24, 2025 and Mar 12, 2026. Those filings report 6 transactions, from Mar 10, 2025 to Mar 11, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Rossi Richard C's filings is in BOSTON, MA.

Recent filings by Rossi Richard C

Mar 11, 2026: Tax withholding of AMT shares (Form 4, code F).
Mar 10, 2026: Grant or award of AMT shares (Form 4, code A).
Mar 10, 2026: Tax withholding of AMT shares (Form 4, code F).
Mar 11, 2025: Tax withholding of AMT shares (Form 4, code F).
Mar 10, 2025: Grant or award of AMT shares (Form 4, code A).

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

Dowling Ruth T, EVP, Chief Admin Ofr, GC & Sec
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