The open-market sale is minimal relative to company size and consistent with routine portfolio management. The derivative exercise may lead to modest share dilution but is not unusual for executive compensation practices. No strong signal of concern or confidence.
Price Chart
Executive Summary
Two insiders at American Tower Corp traded shares within the past week, including an open-market sale of $128.6K by EVP Ruth Dowling and a derivative exercise worth $3.9M by COO Eugene Noel. The sale represents minor open-market activity, while the larger derivative exercise is a non-cash event related to option vesting.
Key Financial Metrics
Key Facts
- EVP Ruth Dowling sold 682 shares in the open market for $128,563.82 on March 4, 2026.
- COO Eugene Noel exercised 41,209 derivative securities at $94.71 per share on March 2, 2026, with a total value of $3,902,904.39.
- No open-market purchases were made; the larger transaction was a non-cash derivative exercise.
- Total open-market selling in the cluster: $128,563.82, representing less than 0.001% of AMT's $87.5B market cap.
Financial Impact
$128,600 in open-market selling; $3.9M in non-cash derivative exercise
Risk Factors
- Derivative exercise increases share count slightly, leading to minor dilution.
- Multiple insider transactions could attract attention despite lack of material magnitude.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (2 trades, 7d window) | cluster-AMT-1772831905443 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 17d ago | 8-K | $177.71 $175.25 | ▼ −1.38% | ▼ −3.51% | $162.01 (−8.84%) |
Sep 9, 2026 23d ago | 424B5 | $175.43 $176.39 | ▲ +0.55% | ▲ +1.20% | $162.01 (−7.65%) |
Aug 25, 2026 5w ago | Insider Buy | $178.57 $176.02 | ▼ −1.43% | ▼ −0.89% | $162.01 (−9.28%) |
Aug 1, 2026 8w ago | Institutional Cluster | $173.00 $169.11 | ▲ +2.25% | ▲ +4.28% | $162.01 (+6.36%) |
Jul 31, 2026 9w ago | Insider Cluster | $173.36 $172.54 | ▼ −0.47% | ▼ −3.98% | $162.01 (−6.55%) |
Jul 28, 2026 9w ago | 8-K | $171.50 $173.00 | ▲ +0.87% | ▼ −1.39% | $162.01 (−5.54%) |
Jun 4, 2026 17w ago | 8-K | $194.12 $187.18 | ▼ −3.58% | ▼ −4.14% | $162.01 (−16.54%) |
May 27, 2026 18w ago | 8-K | $184.86 $182.05 | ▼ −1.52% | ▼ −1.99% | $162.01 (−12.36%) |
May 21, 2026 19w ago | 8-K | $183.73 $186.93 | ▲ +1.74% | ▲ +0.08% | $162.01 (−11.82%) |
May 19, 2026 19w ago | 424B5 | $182.23 $184.86 | ▲ +1.44% | ▼ −0.85% | $162.01 (−11.10%) |
US Market Status
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