Richard C. Rossi

Richard C. Rossi: EVP & President, U.S. Tower at American Tower. What Richard C. Rossi holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

American Tower (AMT)

Richard C. Rossi holds 17,518 American Tower shares (0.00% of the company), worth about $3.2M at the last price, according to the Form 4 of Mar 11, 2026.

• Shares held: 17,518 (0.00%), $3.2M — Held in their own name.

Declarations

• American Tower (AMT) — Form 4 of Mar 11, 2026 (EVP & President, U.S. Tower): grant or award of 6,448; shares withheld for tax of 1,544 at $186.12; 17,518 shares after 0001053507-26-000082
• American Tower (AMT) — Form 4 of Mar 11, 2025 (EVP & President, U.S. Tower): grant or award of 3,755; shares withheld for tax of 1,034 at $213.07; 13,178 shares after 0001053507-25-000080
• American Tower (AMT) — Form 3 of Jan 13, 2025 (EVP & President, U.S. Tower); 11,174 shares after 0001053507-25-000007

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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