Insider / AMERICAN TOWER CORP /MA/
Tanner Bruce L
Director at AMERICAN TOWER CORP /MA/
- Company
- AMERICAN TOWER CORP /MA/
- First filing on record
- February 26, 2026
- Latest trade on record
- March 10, 2026
- SEC filings
- EDGAR ↗
Tanner Bruce L, Director at AMERICAN TOWER CORP /MA/, has disclosed 2 transactions in AMT, TFC since February 26, 2026: 0 purchases (0 open-market buys) and 0 sales, worth about $0 at the reported prices. The latest was filed March 12, 2026, 2 days after the trade.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months Tanner Bruce L reported 2 transactions that were neither a purchase nor a sale, such as stock awards, option exercises or shares withheld for tax.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
0 of 2 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 |
|---|---|---|---|---|
| A | Grant or award | 2 | 5,236 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 2 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| AMT | Other A | March 10, 2026 | March 12, 2026 | 2d | 1,209 | — | — | Form 4 ↗ | ||
| TFC | Other A | February 24, 2026 | February 26, 2026 | 2d | 4,027 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| March 12, 2026 | Form 4 | 0001053507-26-000055 | 1 | published | EDGAR ↗ |
| February 26, 2026 | Form 4 | 0001411075-26-000002 | 1 | published | EDGAR ↗ |
Other insiders at AMERICAN TOWER CORP /MA/
- Bender Bradley D Chief Risk Officer 16 rows
- Lieblein Grace Director 15 rows
- Wilson Donta L Chief Consumer & SB BK Officer 13 rows
- Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec 11 rows
- Powell Cynthia B Corp. Controller & CAO 11 rows
- Smith Rodney M EVP, CFO & Treasurer 10 rows
- Vondran Steven O President and CEO 10 rows
- Noel Eugene M EVP & Chief Operating Officer 9 rows
- Lyons Michael P. President & CEO 8 rows
- MACNAB CRAIG Director 8 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.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 2 | 2 | February 26, 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.