Transactions
10
Insider / AMERICAN TOWER CORP /MA/
Smith Rodney M
EVP, CFO & Treasurer at AMERICAN TOWER CORP /MA/
- Company
- AMERICAN TOWER CORP /MA/
- Ticker
- AMT
- First filing on record
- February 19, 2026
- Latest trade on record
- March 11, 2026
- SEC filings
- EDGAR ↗
Smith Rodney M, EVP, CFO & Treasurer at AMERICAN TOWER CORP /MA/, has disclosed 10 transactions in AMT since February 19, 2026: 0 purchases (0 open-market buys) and 6 sales, worth about $12.4M at the reported prices. The latest was filed March 12, 2026, 1 day after the trade.
Open-market buys
0
Sales
6
Avg. disclosure lag
1.9d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Smith Rodney M made no purchases and 6 sales worth $9.1M, plus 4 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Smith Rodney M has traded 1 stock on record; the largest by dollars is AMT.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 3 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 4 | 34,341 | $6.6M |
| A | Grant or award | 2 | 31,956 | — |
| F | Shares withheld for tax | 2 | 13,728 | $2.6M |
| M | Option exercise or conversion | 2 | 68,682 | $3.3M |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 10 | 0 | 6 · $9.1M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| AMT | Sell F | March 11, 2026 | March 12, 2026 | 1d | 1,295 | $183 | $237K | Form 4 ↗ | ||
| AMT | Sell F | March 10, 2026 | March 12, 2026 | 2d | 12,433 | $186 | $2.3M | Form 4 ↗ | ||
| AMT | Other A | March 10, 2026 | March 12, 2026 | 2d | 10,531 | — | — | Form 4 ↗ | ||
| AMT | Other A | February 25, 2026 | February 27, 2026 | 2d | 21,425 | — | — | Form 4 ↗ | ||
| AMT | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 34,341 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| AMT | Sell S | February 17, 2026 | February 19, 2026 | 2d | 1 | $193 | $193 | 10b5-1 plan | Form 4 ↗ | |
| AMT | Sell S | February 17, 2026 | February 19, 2026 | 2d | 22,658 | $192 | $4.4M | 10b5-1 plan | Form 4 ↗ | |
| AMT | Sell S | February 17, 2026 | February 19, 2026 | 2d | 9,596 | $192 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| AMT | Sell S | February 17, 2026 | February 19, 2026 | 2d | 2,086 | $190 | $397K | 10b5-1 plan | Form 4 ↗ | |
| AMT | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 34,341 | $95 | $3.3M | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| March 12, 2026 | Form 4 | 0001053507-26-000078 | 3 | published | EDGAR ↗ |
| February 27, 2026 | Form 4 | 0001807541-26-000004 | 1 | published | EDGAR ↗ |
| February 19, 2026 | Form 4 | 0001807541-26-000002 | 6 | published | EDGAR ↗ |
Other insiders at AMERICAN TOWER CORP /MA/
- Lieblein Grace Director 15 rows
- Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec 11 rows
- Vondran Steven O President and CEO 10 rows
- Noel Eugene M EVP & Chief Operating Officer 9 rows
- MACNAB CRAIG Director 8 rows
- Kalathur Rajesh Director 7 rows
- Meyer Robert Joseph SVP & Chief Accounting Officer 6 rows
- Font Juan SVP, Pres. & CEO, CoreSite 4 rows
- Rossi Richard C EVP & President, U.S. Tower 3 rows
- Clarke Teresa Hillary Director 2 rows
Everyone on file, with contracts and lobbying under the company's name: AMERICAN TOWER CORP /MA/.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 3 | 10 | February 19, 2026 | March 12, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.