| 2004-01-09 | Sale | American Tower Corporation AMT | director | 336,561 0.1488% | $12.50 | $4.21M | +13.48% | |
| 2004-01-08 | Sale | American Tower Corporation AMT | director | 944,900 0.4017% | $12.05 | $11.39M | +13.22% | |
| 2004-01-07 | Sale | American Tower Corporation AMT | director | 680,751 0.3054% | $11.55 | $7.86M | +24.66% | |
| 2004-01-06 | Sale | American Tower Corporation AMT | director | 478,400 0.2147% | $11.36 | $5.43M | +26.74% | |
| 2003-12-01 | Sale | American Tower Corporation AMT | director | 2M 0.9309% | $11.09 | $22.18M | +20.87% | |
| 2003-11-14 | Sale | American Tower Corporation AMT | director | 34,248 0.0169% | $10.95 | $374,998 | +26.24% | |
| 2003-11-12 | Sale | American Tower Corporation AMT | director | 81,000 0.0388% | $11.15 | $903,212 | +19.42% | |
| 2003-11-04 | Sale | American Tower Corporation AMT | director | 2,800 0.0014% | $11.94 | $33,432 | +13.69% | |
| 2003-11-03 | Sale | American Tower Corporation AMT | director | 10,000 0.0048% | $11.94 | $119,400 | +9.13% | |
| 2003-10-30 | Sale | American Tower Corporation AMT | director | 26,800 0.0132% | $11.94 | $319,992 | +11.65% | |
| 2003-10-29 | Sale | American Tower Corporation AMT | director | 666,496 0.3105% | $11.63 | $7.75M | +8.55% | |
| 2003-10-09 | Sale | American Tower Corporation AMT | director | 113,358 0.0549% | $11.19 | $1.27M | +13.96% | |
| 2003-10-08 | Sale | American Tower Corporation AMT | director | 238,443 0.1138% | $10.95 | $2.61M | +13.78% | |
| 2003-09-09 | Sale | American Tower Corporation AMT | director | 63,439 0.0298% | $10.99 | $697,210 | +7.53% | |
| 2003-09-08 | Sale | American Tower Corporation AMT | director | 204,187 0.0948% | $11.17 | $2.28M | +4.49% | |
| 2003-09-05 | Sale | American Tower Corporation AMT | director | 170,782 0.0792% | $11.18 | $1.91M | +4.08% | |
| 2003-09-04 | Sale | American Tower Corporation AMT | director | 313,000 0.1469% | $11.52 | $3.61M | +2.09% | |
| 2003-01-07 | Sale | American Tower Corporation AMT | director | 185,706 0.2827% | $11.47 | $2.13M | +140.26% | |
| 2002-01-07 | Sale | American Tower Corporation AMT | director | 6,192 0.0038% | $11.70 | $72,446 | -62.62% |