Steven O. Vondran
Steven O. Vondran: President and CEO · Director at American Tower. What Steven O. Vondran 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)
Steven O. Vondran holds 108,902 American Tower shares (0.02% of the company), worth about $19.8M at the last price, according to the Form 4 of Mar 11, 2026.
- Shares held: 108,902 (0.02%), $19.8M — Held in their own name.
Declarations
- American Tower (AMT) — Form 4 of Mar 11, 2026 (President and CEO): grant or award of 20,955; shares withheld for tax of 15,269 at $186.12; 108,902 shares after 0001053507-26-000070
- American Tower (AMT) — Form 4 of Mar 4, 2026 (President and CEO): option exercise or conversion of 33,482 at $94.71; open-market sale of 15,084 at $187.90; 105,374 shares after 0001053507-26-000045
- American Tower (AMT) — Form 4 of Feb 25, 2026 (President and CEO): grant or award of 24,626; 105,374 shares after 0001749304-26-000002
- American Tower (AMT) — Form 4 of Mar 11, 2025 (President and CEO): grant or award of 15,488; shares withheld for tax of 10,327 at $213.07; 80,748 shares after 0001053507-25-000078
- American Tower (AMT) — Form 4 of Feb 27, 2025 (President and CEO): grant or award of 16,006; 77,849 shares after 0001053507-25-000035
- American Tower (AMT) — Form 4 of Aug 2, 2024 (President and CEO): option exercise or conversion of 21,537 at $94.57; open-market sale of 21,537 at $230.00; 61,843 shares after 0001053507-24-000111
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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