American Tower Corporation (AMT) has 20 known insider and institutional holders on record. The largest holder is TAICLET JAMES D JR with 331,345 shares. Other notable holders include Bartlett Thomas A and Sharma Amit.
Over the last 12 months, insiders have made 43 transactions in AMT stock — 15 buys (valued at $994.11K) and 3 sells (valued at $1.11M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
AMT Insider Ownership
Top Holder
TAICLET JAMES D JR
331,345 shares
Buys (12 mo)
15
$994.11K value
Sells (12 mo)
3
$1.11M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Taiclet James D Jr |
Officer |
331,345 |
2020-06-16 |
|
| 2 |
Bartlett Thomas A |
Other: Former Officer |
269,557 |
2024-05-03 |
|
| 3 |
Sharma Amit |
Spl. Adv. To CEO & Chm. Apac |
235,800 |
2021-05-12 |
|
| 4 |
Disanto Edmund |
Officer |
162,611 |
2023-03-14 |
|
| 5 |
Vondran Steven O |
President and CEO |
111,060 |
2026-03-12 |
|
| 6 |
Smith Rodney M |
EVP, CFO & Treasurer |
93,837 |
2026-03-12 |
|
| 7 |
Marshall Steven C. |
EVP & President, U.s. Tower |
92,838 |
2018-03-13 |
|
| 8 |
Reed Joann A |
Director |
62,940 |
2025-03-12 |
|
| 9 |
Hess William H |
Officer |
60,793 |
2019-07-02 |
|
| 10 |
Puech Olivier |
EVP & President, International |
39,232 |
2025-03-12 |
|
| 11 |
Noel Eugene M |
EVP & Chief Operating Officer |
35,261 |
2026-03-12 |
|
| 12 |
Dowling Ruth T |
EVP, Chief Admin Ofr, Gc & Sec |
31,296 |
2026-03-12 |
|
| 13 |
Font Juan |
SVP, Pres. & CEO, Coresite |
29,280 |
2026-03-12 |
|
| 14 |
Meyer Robert Joseph Jr |
SVP & Chief Accounting Officer |
28,794 |
2025-06-03 |
|
| 15 |
Meyer Robert Joseph |
SVP & Chief Accounting Officer |
27,123 |
2026-03-12 |
|
| 16 |
Goel Sanjay |
EVP & President, Asia-pacific |
25,408 |
2025-03-19 |
|
| 17 |
Thompson Samme L |
Director |
24,260 |
2024-03-12 |
|
| 18 |
Reeve Pamela D A |
Director |
21,899 |
2026-03-12 |
|
| 19 |
Dolan Raymond P |
Director |
19,634 |
2024-03-12 |
|
| 20 |
Rossi Richard C |
EVP & President, U.s. Tower |
18,202 |
2026-03-12 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-11 |
Rossi Richard C |
EVP & President, U.s. Tower |
Tax Withholding of RSU |
684 |
$182.85 |
$125.07K |
| 2026-03-10 |
Rossi Richard C |
EVP & President, U.s. Tower |
Tax Withholding of RSU |
1,544 |
$186.12 |
$287.37K |
| 2026-03-11 |
Noel Eugene M |
EVP & Chief Operating Officer |
Tax Withholding of RSU |
719 |
$182.85 |
$131.47K |
| 2026-03-10 |
Noel Eugene M |
EVP & Chief Operating Officer |
Tax Withholding of RSU |
2,498 |
$186.12 |
$464.93K |
| 2026-03-11 |
Dowling Ruth T |
EVP, Chief Admin Ofr, Gc & Sec |
Tax Withholding of RSU |
863 |
$182.85 |
$157.8K |
| 2026-03-10 |
Dowling Ruth T |
EVP, Chief Admin Ofr, Gc & Sec |
Tax Withholding of RSU |
6,629 |
$186.12 |
$1.23M |
| 2026-03-10 |
Clarke Teresa Hillary |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Frank Kenneth R |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-11 |
Smith Rodney M |
EVP, CFO & Treasurer |
Tax Withholding of RSU |
1,295 |
$182.85 |
$236.79K |
| 2026-03-10 |
Smith Rodney M |
EVP, CFO & Treasurer |
Tax Withholding of RSU |
12,433 |
$186.12 |
$2.31M |
| 2026-03-11 |
Vondran Steven O |
President and CEO |
Tax Withholding of RSU |
2,158 |
$182.85 |
$394.59K |
| 2026-03-10 |
Vondran Steven O |
President and CEO |
Tax Withholding of RSU |
15,269 |
$186.12 |
$2.84M |
| 2026-03-11 |
Font Juan |
SVP, Pres. & CEO, Coresite |
Tax Withholding of RSU |
928 |
$182.85 |
$169.68K |
| 2026-03-10 |
Font Juan |
SVP, Pres. & CEO, Coresite |
Tax Withholding of RSU |
1,834 |
$186.12 |
$341.34K |
| 2026-03-10 |
Chambliss Kelly C |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Ray Neville R |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Lieblein Grace |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Kalathur Rajesh |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Tanner Bruce L |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-11 |
Meyer Robert Joseph |
SVP & Chief Accounting Officer |
Tax Withholding of RSU |
684 |
$182.85 |
$125.07K |
| 2026-03-10 |
Meyer Robert Joseph |
SVP & Chief Accounting Officer |
Tax Withholding of RSU |
1,368 |
$186.12 |
$254.61K |
| 2026-03-10 |
Reilly Eugene F |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Reeve Pamela D A |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Hormats Robert D |
Director |
RSU Award |
1,209 |
- |
- |
| 2026-03-10 |
Macnab Craig |
Director |
RSU Award |
1,209 |
- |
- |
