CIK 0001053507 · Large accelerated filer
AMERICAN TOWER CORP /MA/
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- AMT
- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 650723837
- Phone
- 6173757500
- Business address
- 222 BERKELEY STREET, BOSTON, MA, 02116
- Former names
- AMERICAN TOWER SYSTEMS CORP
- Open-market buys, last 90 days
- $508,597
- in 2 filings
- Open-market sales, last 90 days
- $403,084
- in 2 filings, $291K under 10b5-1 plans
Net +$105,513. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-30 | Font Juan SVP, Pres. & CEO, CoreSite | Sale | −592 | $189.63 | $112K | 27,810 |
| 2026-03-11 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −928 | $182.85 | $170K | 28,352 |
| 2026-03-10 | Font Juan SVP, Pres. & CEO, CoreSite | Grant or award | +8,060 | 31,114 | ||
| 2026-03-10 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −1,834 | $186.12 | $341K | 29,280 |
| 2026-01-03 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −419 | $174.80 | $73K | 23,054 |
| 2025-07-31 | Font Juan SVP, Pres. & CEO, CoreSite | Sale | −720 | $208.33 | $150K | 23,425 |
| 2025-03-11 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −981 | $209.78 | $206K | 24,104 |
| 2025-03-10 | Font Juan SVP, Pres. & CEO, CoreSite | Grant or award | +7,040 | 25,959 | ||
| 2025-03-10 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −874 | $213.07 | $186K | 25,085 |
| 2025-01-03 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for taxes | −469 | $182.56 | $86K | 18,919 |
| 2024-03-15 | Font Juan SVP, Pres. & CEO, CoreSite | Sale | −540 | $197.49 | $107K | 19,265 |
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