AMT SEC Form 4 filings
American Tower Corp /Ma/ Latest Insider Trading Activity
Over the past 766 days, 19 insider trades from American Tower Corp /Ma/ (AMT). The most recent SEC Form 4 filing shows 2 sales by Dowling Ruth T (American Tower Corp /Ma/ EVP, Chief Admin Ofr, GC & Sec) totaling 972 shares at a weighted-average price of $178.08 per share, with the latest transaction dated April 29, 2026. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For AMT Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
Loading daily price history…
Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-04-30 | 2026-04-29 | American Tower Corp /Ma/ | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sell | 2 | 972 | $178.08 | $173,091.52 | 1.61% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMT | 2026-03-12 | 2026-03-10 | American Tower Corp /Ma/ | Kalathur Rajesh | Director | Buy | 1 | 2,671 | $185.30 | $494,936.30 | 54.11% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-03-06 | 2026-03-04 | American Tower Corp /Ma/ | Vondran Steven O | President and CEO | Sell | 3 | 33,482 | $188.46 | $6,309,966.96 | 9.05% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-03-06 | 2026-03-04 | American Tower Corp /Ma/ | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sell | 1 | 682 | $188.51 | $128,563.82 | 2.15% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-03-04 | 2026-03-02 | American Tower Corp /Ma/ | Noel Eugene M | EVP & Chief Operating Officer | Sell | 4 | 41,209 | $191.05 | $7,872,919.89 | 17.83% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-03-03 | 2026-02-27 | American Tower Corp /Ma/ | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sell | 1 | 656 | $186.16 | $122,120.96 | 2.03% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMT | 2026-03-03 | 2026-02-27 | American Tower Corp /Ma/ | Meyer Robert Joseph | SVP & Chief Accounting Officer | Sell | 1 | 4,454 | $186.73 | $831,695.42 | 15.40% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2026-02-19 | 2026-02-17 | American Tower Corp /Ma/ | Smith Rodney M | EVP, CFO & Treasurer | Sell | 4 | 34,341 | $192.09 | $6,596,527.57 | 8.88% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. AMT | 2025-02-28 | 2025-02-26 | American Tower Corp /Ma/ | Reeve Pamela D A | Director | Sell | 1 | 4,971 | $202.97 | $1,008,963.87 | 20.20% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMT | 2024-09-12 | 2024-09-10 | American Tower Corp /Ma/ | Noel Eugene M | EVP & President, U.S. Tower | Sell | 1 | 33,135 | $240.00 | $7,952,400.00 | 55.34% | View Filing |
⚠️ THE SAMPLE ABOVE IS DEFERRED BY 6 HOURS ⚠️
Start your 2-week, no-credit-card free trial today to receive get down to the second insider trading updates in this directory or email.
Pricing
Free Trial
10 trading days$0
Explore every Premium feature before you pay.
- Full platform access
- 10 trading days
- No credit card required
- 20 years of alert history
- Live alert directory updates
Standard Monthly
Scheduled$19.99 / month
Scheduled alerts with complete trade context.
- Email and Telegram delivery
- Alert intervals from every sixty minutes to once daily
- Filter by insider title, buy/sell, transaction value, DRIP, ESPP, 10b5-1, and tax liability coverage transfers
- Highlighted cluster transactions and SEC filing links
- Access to the alert directory hourly refreshes
Premium Monthly
Recommended$29.99 / month
Fastest alerts with ticker-level control.
- Everything in Standard
- Instant delivery detection-to-outbound time averages 0.88 seconds
- Alert intervals starting from one minute
- Real time alert directory updates
Student discount: Customers who sign up with a verified .edu email address receive 50% off for the first four years. On monthly plans, the first month is the full 75% off.
Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.