American Tower Corporation (REIT) (AMT) SEC filings
AMT SEC filings moved a median of -0.04% by the close. AMT SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the AMT overview →
92 measured AMT SEC filing events.
Where these AMT SEC filings landedvs 91 measured AMT SEC filing reactions
| Middle 50% of AMT SEC filing reactions | -1.02% to +1.10% |
|---|---|
| Median reaction (to close) | -0.04% |
| Measured reactions | 91 |
Point-in-time · zero look-ahead
Half of the 91 AMT SEC filing events with a measured close landed between -1.02% and +1.10%; 48% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Jun 30 | SEC filing · Form 10-Q | +0.13% | +2.46% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jul 28 | SEC filing · Form 8-K | +1.82% | +1.16% | |
| Form CERT AMERICAN TOWER CORP /MA/ | SEC filing · Form CERT | -0.44% | -2.02% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jun 02 | SEC filing · Form 8-K | +0.71% | +0.07% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jun 02 | SEC filing · Form 8-K | +1.73% | -1.07% | |
| Form 8-A12B AMERICAN TOWER CORP /MA/ | SEC filing · Form 8-A12B | +0.80% | -0.16% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 27 | SEC filing · Form 8-K | +0.80% | -0.16% | |
| Form S-8 AMERICAN TOWER CORP /MA/ | SEC filing · Form S-8 | +0.80% | -0.16% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 20 | SEC filing · Form 8-K | -0.60% | -0.63% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 19 | SEC filing · Form 8-K | -0.15% | +1.13% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 07 | SEC filing · Form 8-K | +0.11% | -1.38% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Mar 31 | SEC filing · Form 10-Q | +0.45% | +0.37% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Apr 28 | SEC filing · Form 8-K | -0.51% | -0.04% | |
| Form DEFA14A AMERICAN TOWER CORP /MA/ | SEC filing · Form DEFA14A | +0.45% | +0.37% | |
| Form ARS AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form ARS | +0.30% | +1.22% | |
| Form DEF 14A AMERICAN TOWER CORP /MA/ For: May 20 | SEC filing · Form DEF | +0.30% | +1.22% | |
| Form DEFA14A AMERICAN TOWER CORP /MA/ | SEC filing · Form DEFA14A | +0.30% | +1.22% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 06 | SEC filing · Form 8-K | -0.67% | -1.49% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 05 | SEC filing · Form 8-K | +0.00% | +0.37% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 25 | SEC filing · Form 8-K | +0.00% | +0.10% | |
| Form 10-K AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form 10-K | -1.37% | -4.76% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 24 | SEC filing · Form 8-K | +2.22% | +1.08% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jan 26 | SEC filing · Form 8-K | -0.66% | -1.06% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jan 28 | SEC filing · Form 8-K | +0.28% | +2.16% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Dec 05 | SEC filing · Form 8-K | +0.11% | +2.61% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Dec 04 | SEC filing · Form 8-K | -0.08% | +0.02% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Dec 02 | SEC filing · Form 8-K | -0.05% | +0.09% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Nov 05 | SEC filing · Form 8-K | -0.63% | +0.11% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Sep 30 | SEC filing · Form 10-Q | -0.14% | -2.14% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Oct 28 | SEC filing · Form 8-K | -3.62% | -1.79% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 23 | SEC filing · Form 8-K | +0.83% | -0.37% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 16 | SEC filing · Form 8-K | -0.75% | -0.12% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 16 | SEC filing · Form 8-K | +0.28% | +1.16% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 11 | SEC filing · Form 8-K | +0.26% | -0.34% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 03 | SEC filing · Form 8-K | +0.04% | -0.38% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Aug 22 | SEC filing · Form 8-K | +0.28% | +0.06% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Jun 30 | SEC filing · Form 10-Q | +0.85% | -1.20% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jul 29 | SEC filing · Form 8-K | -1.67% | — | |
| Form CERT AMERICAN TOWER CORP /MA/ | SEC filing · Form CERT | +0.30% | +0.11% | |
| Form S-3ASR AMERICAN TOWER CORP /MA/ | SEC filing · Form S-3ASR | -0.76% | +0.34% | |
| Form 8-A12B AMERICAN TOWER CORP /MA/ | SEC filing · Form 8-A12B | +0.47% | +0.72% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 30 | SEC filing · Form 8-K | +0.47% | +0.72% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 21 | SEC filing · Form 8-K | -0.48% | -1.94% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 14 | SEC filing · Form 8-K | -0.19% | +0.20% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Mar 31 | SEC filing · Form 10-Q | +0.37% | +1.55% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Apr 29 | SEC filing · Form 8-K | +1.76% | +4.58% | |
| Form ARS AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form ARS | -0.60% | -0.90% | |
| Form DEF 14A AMERICAN TOWER CORP /MA/ For: May 14 | SEC filing · Form DEF | -0.60% | -0.90% | |
| Form DEFA14A AMERICAN TOWER CORP /MA/ | SEC filing · Form DEFA14A | -0.60% | -0.90% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 17 | SEC filing · Form 8-K | -0.02% | +1.11% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 14 | SEC filing · Form 8-K | +0.35% | +0.01% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 11 | SEC filing · Form 8-K | +0.03% | -0.64% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 06 | SEC filing · Form 8-K | -0.12% | +2.06% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 27 | SEC filing · Form 8-K | +1.18% | +2.10% | |
| Form 10-K AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form 10-K | -0.63% | -1.89% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 25 | SEC filing · Form 8-K | +2.75% | +3.03% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 05 | SEC filing · Form 8-K | -0.04% | +0.84% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jan 28 | SEC filing · Form 8-K | +0.16% | -1.72% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jan 02 | SEC filing · Form 8-K | +0.06% | -1.64% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Dec 05 | SEC filing · Form 8-K | +0.04% | -1.18% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Nov 21 | SEC filing · Form 8-K | -0.47% | -0.04% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Nov 18 | SEC filing · Form 8-K | -0.32% | +0.95% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Oct 28 | SEC filing · Form 8-K | -1.29% | -2.98% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Sep 30 | SEC filing · Form 10-Q | +0.48% | -0.22% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Oct 29 | SEC filing · Form 8-K | -0.23% | -0.97% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 12 | SEC filing · Form 8-K | -0.21% | -0.78% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Jun 30 | SEC filing · Form 10-Q | -0.05% | -0.49% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jul 30 | SEC filing · Form 8-K | +0.60% | +1.39% | |
| Form CERT AMERICAN TOWER CORP /MA/ | SEC filing · Form CERT | -0.21% | +1.22% | |
| Form 8-A12B AMERICAN TOWER CORP /MA/ | SEC filing · Form 8-A12B | -0.08% | +2.35% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 29 | SEC filing · Form 8-K | -0.08% | +2.35% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 22 | SEC filing · Form 8-K | -0.31% | -0.65% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: May 22 | SEC filing · Form 8-K | +0.04% | -1.68% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Mar 31 | SEC filing · Form 10-Q | -0.05% | +1.81% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Apr 30 | SEC filing · Form 8-K | +1.71% | -0.87% | |
| Form ARS AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form ARS | -0.39% | -2.79% | |
| Form DEF 14A AMERICAN TOWER CORP /MA/ For: May 22 | SEC filing · Form DEF | -0.39% | -2.79% | |
| Form DEFA14A AMERICAN TOWER CORP /MA/ | SEC filing · Form DEFA14A | -0.39% | -2.79% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 11 | SEC filing · Form 8-K | +1.32% | +0.90% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 07 | SEC filing · Form 8-K | -0.54% | -0.04% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Mar 04 | SEC filing · Form 8-K | -0.06% | -0.25% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 28 | SEC filing · Form 8-K | +0.29% | +2.34% | |
| Form 10-K AMERICAN TOWER CORP /MA/ For: Dec 31 | SEC filing · Form 10-K | +0.67% | +3.12% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 27 | SEC filing · Form 8-K | -0.57% | -1.80% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Feb 05 | SEC filing · Form 8-K | -0.44% | +0.52% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Jan 04 | SEC filing · Form 8-K | -0.08% | +0.27% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Dec 13 | SEC filing · Form 8-K | +1.05% | -1.53% | |
| Form 10-Q AMERICAN TOWER CORP /MA/ For: Sep 30 | SEC filing · Form 10-Q | -0.32% | -2.00% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Oct 26 | SEC filing · Form 8-K | +0.19% | +7.40% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 20 | SEC filing · Form 8-K | -0.50% | -4.21% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 15 | SEC filing · Form 8-K | -0.27% | -0.38% | |
| Form 8-K AMERICAN TOWER CORP /MA/ For: Sep 12 | SEC filing · Form 8-K | -0.64% | -0.86% |
Keep exploring
More AMT: earnings → · analyst actions → · AMT overview →
Other Communication Services names and their SEC filings
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| TELECOM ITALIA (TI) | 438 | 0.00% | 41% |
| MAGICJACK VOCALTEC (CALL) | 412 | 0.00% | 45% |
| PDVWIRELESS (PDVW) | 407 | 0.00% | 40% |
| Ooma, Inc. (OOMA) | 401 | 0.00% | 46% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its SEC filings — that is what the link opens.