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AMTNYSE SEC EDGAR

AMERICAN TOWER CORP /MA/

Real Estate Investment Trusts·BOSTON, MA·FY end 12/31·CIK 1053507
OverviewFinancialsCompensationGovernanceInsidersFilings
Net 180d
-$14.9M
1 buys / 12 sales
Open-market buys
$494.9K
1 transactions
Open-market sales
$15.4M
12 transactions
Cluster windows
2
0 buy / 2 sell

Insider transaction timeline

2-year window · 22 buys · 26 sales · dot size = transaction value
7/2410/241/254/257/2510/251/264/26buysell
AcquisitionsSalesCluster window (≥2 sales / month)

Form 4 transactions

Showing 30 of 48
DateInsiderTypeSharesValue
2026-04-29
Dowling Ruth TEVP, Chief Admin Ofr, GC & Sec
Sale416-$73.9K
2026-04-28
Dowling Ruth TEVP, Chief Admin Ofr, GC & Sec
Sale556-$99.2K
2026-03-11
Rossi Richard CEVP & President, U.S. Tower
Tax withhold684-$125.1K
2026-03-11
Vondran Steven OPresident and CEO
Tax withhold2,158-$394.6K
2026-03-11
Smith Rodney MEVP, CFO & Treasurer
Tax withhold1,295-$236.8K
2026-03-11
Meyer Robert JosephSVP & Chief Accounting Officer
Tax withhold684-$125.1K
2026-03-11
Font JuanSVP, Pres. & CEO, CoreSite
Tax withhold928-$169.7K
2026-03-11
Noel Eugene MEVP & Chief Operating Officer
Tax withhold719-$131.5K
2026-03-11
Dowling Ruth TEVP, Chief Admin Ofr, GC & Sec
Tax withhold863-$157.8K
2026-03-10
MACNAB CRAIG
Award1,209—
2026-03-10
Ray Neville R
Award1,209—
2026-03-10
Rossi Richard CEVP & President, U.S. Tower
Award6,448—
2026-03-10
Rossi Richard CEVP & President, U.S. Tower
Tax withhold1,544-$287.4K
2026-03-10
Chambliss Kelly C
Award1,209—
2026-03-10
Vondran Steven OPresident and CEO
Award20,955—
2026-03-10
Vondran Steven OPresident and CEO
Tax withhold15,269-$2.8M
2026-03-10
REILLY EUGENE F
Award1,209—
2026-03-10
REEVE PAMELA D A
Award1,209—
2026-03-10
Lieblein Grace
Award1,209—
2026-03-10
Smith Rodney MEVP, CFO & Treasurer
Award10,531—
2026-03-10
Smith Rodney MEVP, CFO & Treasurer
Tax withhold12,433-$2.3M
2026-03-10
Meyer Robert JosephSVP & Chief Accounting Officer
Award4,030—
2026-03-10
Meyer Robert JosephSVP & Chief Accounting Officer
Tax withhold1,368-$254.6K
2026-03-10
Font JuanSVP, Pres. & CEO, CoreSite
Award8,060—
2026-03-10
Font JuanSVP, Pres. & CEO, CoreSite
Tax withhold1,834-$341.3K
2026-03-10
Noel Eugene MEVP & Chief Operating Officer
Award8,167—
2026-03-10
Noel Eugene MEVP & Chief Operating Officer
Tax withhold2,498-$464.9K
2026-03-10
Dowling Ruth TEVP, Chief Admin Ofr, GC & Sec
Award6,878—
2026-03-10
Dowling Ruth TEVP, Chief Admin Ofr, GC & Sec
Tax withhold6,629-$1.2M
2026-03-10
Frank Kenneth R
Award1,209—