American Tower Corp /Ma/ (AMT) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, American Tower's top three insider holders are Amit Sharma (Spl. Adv. To Ceo Chm. Apac, 363.75K shares), Thomas A Bartlett (Other, 269.56K shares), Edmund Disanto (Other, 161.67K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Amit Sharma Spl. Adv. To Ceo Chm. Apac 363,750 0 18 May, 2021
Thomas A Bartlett 269,557 0 03 May, 2024
Edmund Disanto 161,670 0 14 Mar, 2023
Steven O Vondran President And Ceo 108,902 0 12 Mar, 2026
Rodney M Smith Evp, Cfo Treasurer 92,542 0 12 Mar, 2026
Joann A Reed 62,940 0 12 Mar, 2025
Olivier Puech Evp President, International 38,023 0 12 Mar, 2025
Eugene M Noel Evp Chief Operating Officer 34,542 0 12 Mar, 2026
Ruth T Dowling Evp, Chief Admin Ofr, Gc Sec 30,433 0 12 Mar, 2026
Juan Font Svp, Pres. Ceo, Coresite 28,352 0 12 Mar, 2026
Robert Joseph Meyer Svp Chief Accounting Officer 26,439 0 12 Mar, 2026
Sanjay Goel Evp President, Asia Pacific 25,408 0 19 Mar, 2025
Samme L Thompson 24,260 0 12 Mar, 2024
Pamela D A Reeve 21,899 0 12 Mar, 2026
Raymond P Dolan 19,634 0 12 Mar, 2024
Richard C Rossi Evp President, U.S. Tower 17,518 0 12 Mar, 2026
Craig Macnab 15,315 0 12 Mar, 2026
Gustavo Lara 12,530 0 14 Mar, 2022
Robert D Hormats 9,597 0 12 Mar, 2026
Grace Lieblein 9,141 0 12 Mar, 2026
Bruce L Tanner 6,940 0 12 Mar, 2026
Eugene F Reilly 6,898 0 12 Mar, 2026
Kenneth R Frank 6,188 0 12 Mar, 2026
Teresa Hillary Clarke 5,307 0 12 Mar, 2026
Rajesh Kalathur 4,936 0 12 Mar, 2026
Kelly C Chambliss 4,426 0 12 Mar, 2026
David E Sharbutt 2,858 0 14 Mar, 2023
Neville R Ray 2,265 0 12 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Mar, 2026 Bruce L Tanner Common Stock A 1,209 $0.00 6,940 D A
10 Mar, 2026 Richard C Rossi Common Stock A 6,448 $0.00 19,746 D A
10 Mar, 2026 Rodney M Smith Common Stock A 10,531 $0.00 106,270 D A
10 Mar, 2026 Juan Font Common Stock A 8,060 $0.00 31,114 D A
10 Mar, 2026 Rajesh Kalathur Common Stock A 1,209 $0.00 2,265 D A
10 Mar, 2026 Steven O Vondran Common Stock A 20,955 $0.00 126,329 D A
10 Mar, 2026 Teresa Hillary Clarke Common Stock A 1,209 $0.00 5,307 D A
10 Mar, 2026 Grace Lieblein Common Stock A 1,209 $0.00 9,141 D A
10 Mar, 2026 Eugene F Reilly Common Stock A 1,209 $0.00 6,898 D A
10 Mar, 2026 Ruth T Dowling Common Stock A 6,878 $0.00 37,925 D A
10 Mar, 2026 Craig Macnab Common Stock A 1,209 $0.00 15,315 D A
10 Mar, 2026 Kelly C Chambliss Common Stock A 1,209 $0.00 4,426 D A
10 Mar, 2026 Neville R Ray Common Stock A 1,209 $0.00 2,265 D A
10 Mar, 2026 Pamela D A Reeve Common Stock A 1,209 $0.00 21,899 D A
10 Mar, 2026 Robert Joseph Meyer Common Stock A 4,030 $0.00 28,491 D A
10 Mar, 2026 Kenneth R Frank Common Stock A 1,209 $0.00 6,188 D A
10 Mar, 2026 Eugene M Noel Common Stock A 8,167 $0.00 37,759 D A
10 Mar, 2026 Robert D Hormats Common Stock A 1,209 $0.00 9,597 D A
10 Mar, 2026 Richard C Rossi Common Stock D 1,544 $186.12 18,202 D F
10 Mar, 2026 Rajesh Kalathur Common Stock A 2,671 $185.30 4,936 D P