AMT
AMERICAN TOWER CORP · Real Estate · Market cap $82.9B
Insiders sold $703K net in the last 90 days ·2 sellers, 1 buyer· 2 of 3 sales under Rule 10b5-1 plans· latest Form 4 filed Aug 25, 2026
Insider Buying
$2.0M
reported purchases (SEC code P)
Insider Selling
$23.2M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Aug 25, 2026
Kalathur Rajesh
AMERICAN TOWER CORP (AMT) has 36 SEC Form 4 filings (64 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Aug 25, 2026.
Inside the rolling window, 7 insiders at AMERICAN TOWER CORP reported 3 open-market purchases totaling $2.0M and 11 open-market sales totaling $23.2M. The most active filer is EVP, Chief Admin Ofr, GC & Sec Dowling Ruth T with 6 filings. Insiders have net sold $15.6M over the trailing 6 months. The most recent open-market filing is a purchase of 2,829 shares by Director Kalathur Rajesh, dated Aug 21, 2026, worth $501K.
- Industry:REIT - Specialty
- CEO:Steven O. Vondran
- Employees:4,866
- HQ:Boston, MA, US
- IPO:1998-02-27
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 2,829 | $501K | Aug 25 | -0.4% | SEC ↗ | |
Meyer Robert JosephFirst in 5 months | SVP & Advisor to the CFO | Sale | 5,000 | $894K | Jul 31 | +2.6% | SEC ↗ |
Dowling Ruth TFirst in 3 months | EVP, Chief Admin Ofr, GC & Sec | Sale | 685 | $116K | Jul 30 | +1.9% | SEC ↗ |
Dowling Ruth TFirst in 3 months | EVP, Chief Admin Ofr, GC & Sec | Sale | 1,106 | $194K | Jul 30 | +1.9% | SEC ↗ |
| EVP, Chief Admin Ofr, GC & Sec | Sale | 556 | $99K | Apr 30 | -2.7% | SEC ↗ | |
| EVP, Chief Admin Ofr, GC & Sec | Sale | 416 | $74K | Apr 30 | -2.7% | SEC ↗ | |
Kalathur RajeshFirst filing | Director | Purchase | 2,671 | $495K | Mar 12 | -1.1% | SEC ↗ |
Vondran Steven OFirst filing | President and CEO | Sale | 33,482 | $6.3M | Mar 6 | -5.7% | SEC ↗ |
| EVP, Chief Admin Ofr, GC & Sec | Sale | 682 | $129K | Mar 6 | — | SEC ↗ | |
Noel Eugene MFirst filing | EVP & Chief Operating Officer | Sale | 41,209 | $7.9M | Mar 4 | — | SEC ↗ |
Dowling Ruth TFirst filing | EVP, Chief Admin Ofr, GC & Sec | Sale | 656 | $122K | Mar 3 | — | SEC ↗ |
Meyer Robert JosephFirst filing | SVP & Chief Accounting Officer | Sale | 4,454 | $832K | Mar 3 | — | SEC ↗ |
Smith Rodney MFirst filing | EVP, CFO & Treasurer | Sale | 34,341 | $6.6M | Feb 19 | — | SEC ↗ |
REILLY EUGENE FFirst filing | Director | Purchase | 5,554 | $994K | Nov 4 | — | SEC ↗ |
Congress trading AMT 91 all-time
- DRep. Ro KhannaSale$1,001 - $15,0002025-09-05
- DRep. Ro KhannaSale$1,001 - $15,0002025-09-29
- RRep. Rich McCormickPurchase$1,001 - $15,0002023-03-15
- RRep. Rich McCormickPurchase$1,001 - $15,0002023-03-15
- DRep. Ritchie TorresOther$1,001 - $15,0002025-07-11
- DRep. Ritchie TorresOther$1,001 - $15,0002025-07-11
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does AMT have?
AMERICAN TOWER CORP (AMT) has 36 SEC Form 4 filings (64 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Aug 25, 2026.
When was the most recent SEC Form 4 filing for AMT?
The most recent Form 4 filing for AMT on Tracefour is dated Aug 25, 2026.
Who is the most active insider at AMT?
The most active SEC Form 4 filer at AMT in the rolling window is EVP, Chief Admin Ofr, GC & Sec Dowling Ruth T, with 6 filings.
What is the net insider flow at AMT over the last 6 months?
Over the trailing 180 days, insiders at AMT have net sold $15.6M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at AMT in the current window?
Inside the rolling window, insiders at AMT bought $2.0M and sold $23.2M based on SEC Form 4 filings.
Can I get alerts for AMT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at AMERICAN TOWER CORP (AMT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
AMERICAN TOWER CORP is in the Real Estate sector.