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 |
|---|---|---|---|---|---|---|
| 2026-03-11 | Noel Eugene M EVP & Chief Operating Officer | Shares withheld for taxes | −719 | $182.85 | $131K | 34,542 |
| 2026-03-11 | Vondran Steven O President and CEO | Shares withheld for taxes | −2,158 | $182.85 | $395K | 108,902 |
| 2026-03-10 | Rossi Richard C EVP & President, U.S. Tower | Grant or award | +6,448 | 19,746 | ||
| 2026-03-10 | Rossi Richard C EVP & President, U.S. Tower | Shares withheld for taxes | −1,544 | $186.12 | $287K | 18,202 |
| 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 |
| 2026-03-10 | Smith Rodney M EVP, CFO & Treasurer | Grant or award | +10,531 | 106,270 | ||
| 2026-03-10 | Smith Rodney M EVP, CFO & Treasurer | Shares withheld for taxes | −12,433 | $186.12 | $2.3M | 93,837 |
| 2026-03-10 | Meyer Robert Joseph SVP & Chief Accounting Officer | Grant or award | +4,030 | 28,491 | ||
| 2026-03-10 | Meyer Robert Joseph SVP & Chief Accounting Officer | Shares withheld for taxes | −1,368 | $186.12 | $255K | 27,123 |
| 2026-03-10 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Grant or award | +6,878 | 37,925 | ||
| 2026-03-10 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Shares withheld for taxes | −6,629 | $186.12 | $1.2M | 31,296 |
| 2026-03-10 | Noel Eugene M EVP & Chief Operating Officer | Grant or award | +8,167 | 37,759 | ||
| 2026-03-10 | Noel Eugene M EVP & Chief Operating Officer | Shares withheld for taxes | −2,498 | $186.12 | $465K | 35,261 |
| 2026-03-10 | Vondran Steven O President and CEO | Grant or award | +20,955 | 126,329 | ||
| 2026-03-10 | Vondran Steven O President and CEO | Shares withheld for taxes | −15,269 | $186.12 | $2.8M | 111,060 |
| 2026-03-10 | Chambliss Kelly C Director | Grant or award | +1,209 | 4,426 | ||
| 2026-03-10 | MACNAB CRAIG Director | Grant or award | +1,209 | 15,315 | ||
| 2026-03-10 | Kalathur Rajesh Director | Grant or award | +1,209 | 2,265 | ||
| 2026-03-10 | Kalathur Rajesh Director | Purchase | +2,671 | $185.30 | $495K | 4,936 |
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