The mixed nature and trivial dollar amounts suggest no material information event. Monitor for any upcoming earnings or guidance changes that could explain the EVP's sale, but no immediate action warranted.
Price Chart
Executive Summary
Two insiders at American Tower traded in opposite directions within a narrow window: Director Teresa Clarke bought $8K worth of shares, while EVP Ruth Dowling sold $99K. The total cluster value of $107K is negligible relative to the company's market cap (approximately 0.0003%), making this a routine, non-material event.
Key Financial Metrics
Key Facts
- Director Teresa Clarke purchased 43.5 shares at $177.08, totaling $8K on April 28, 2026.
- EVP Ruth Dowling sold 556 shares at $178.48, totaling $99K on April 28, 2026.
- Total cluster value is $107K, representing less than 0.1% of market cap.
- The cluster is mixed (one buy, one sell) with no dominant direction by dollar value or seniority.
Financial Impact
Total insider activity of $107K is immaterial relative to American Tower's market cap.
Risk Factors
- No significant insider signal — the EVP's sale is small and could be routine portfolio rebalancing.
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMT-1792737573346 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | Institutional Cluster | $188.97 $188.28 | ▼ −0.37% | ▼ −1.08% | $188.28 (−0.37%) |
Oct 22, 2026 5d ago | Insider Cluster | $188.97 $188.28 | ▼ −0.37% | ▼ −1.08% | $188.28 (−0.37%) |
Sep 18, 2026 5w ago | 8-K | $173.98 $174.60 | ▲ +0.36% | ▼ −1.19% | $188.28 (+8.22%) |
Sep 14, 2026 6w ago | 8-K | $177.71 $176.39 | ▼ −0.74% | ▼ −0.30% | $188.28 (+5.95%) |
Sep 9, 2026 6w ago | 424B5 | $175.43 $172.98 | ▼ −1.40% | ▼ −0.80% | $188.28 (+7.32%) |
Aug 25, 2026 8w ago | Insider Buy | $175.73 $174.16 | ▼ −0.89% | ▼ −1.55% | $188.28 (+7.14%) |
Aug 1, 2026 12w ago | Institutional Cluster | $173.00 $174.65 | ▼ −0.95% | ▲ +0.81% | $188.28 (−8.83%) |
Jul 31, 2026 12w ago | Insider Cluster | $173.00 $175.25 | ▲ +1.30% | ▼ −0.50% | $188.28 (+8.83%) |
Jul 28, 2026 12w ago | 8-K | $171.50 $179.26 | ▲ +4.52% | ▲ +6.06% | $188.28 (+9.78%) |
Jun 4, 2026 20w ago | 8-K | $194.12 $189.10 | ▼ −2.59% | ▼ −2.81% | $188.28 (−3.01%) |
US Market Status
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