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$AMT · American Tower Corporation

October 21, 2026 · AI-analyzed SEC filing

American Tower Corporation director Teresa Hillary Clarke filed a Form 4 on October 22, 2026, reporting changes in her beneficial ownership of AMT common stock. The filing discloses a series of purchase transactions dated from April 28, 2023, through October 20, 2026.

According to the filing, the shares were acquired through a dividend reinvestment plan administered by her broker. The form states that the purchases from April 2023 through July 2026 had been inadvertently not previously reported, and this filing includes those past acquisitions along with the October 20, 2026 purchase. The reported purchase prices ranged from $167.52 to $227.42 per share.

Following the reported transactions, Clarke directly held 5,645.234 shares. The filing also notes that as of the filing date she is no longer enrolled in the dividend reinvestment plan.

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