Steven O. Vondran
President and CEO at American Tower Corporation (REIT)
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2024
5 years of board service in total across 2 boards, counting each seat separately. Longest: American Tower Corporation (REIT), 2 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
American Tower Corporation (REIT) May 20, 202699.8%
-
Ameren Corporation May 14, 202699.1%
-
American Tower Corporation (REIT) May 14, 202599.8%
-
Ameren Corporation May 8, 202599.5%
-
American Tower Corporation (REIT) May 22, 202499.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 11, 2026 | American Tower Corporation (REIT) | Shares withheld for tax | −2,158 | $182.85 | $394,590 |
| Mar 10, 2026 | American Tower Corporation (REIT) | Grant or award | +20,955 | — | — |
| Mar 10, 2026 | American Tower Corporation (REIT) | Shares withheld for tax | −15,269 | $186.12 | $2,841,866 |
| Mar 4, 2026 | American Tower Corporation (REIT) | Option exercise | +33,482 | $94.71 | $3,171,080 |
| Mar 4, 2026 | American Tower Corporation (REIT) | Open-market sale | −15,084 | $187.90 | $2,834,284 |
| Mar 4, 2026 | American Tower Corporation (REIT) | Open-market sale | −16,625 | $188.82 | $3,139,133 |
| Mar 4, 2026 | American Tower Corporation (REIT) | Open-market sale | −1,773 | $189.82 | $336,551 |
| Feb 25, 2026 | American Tower Corporation (REIT) | Grant or award | +24,626 | — | — |
| Jan 5, 2026 | Ameren Corporation | Grant or award | +1,686 | — | — |
| Mar 11, 2025 | American Tower Corporation (REIT) | Shares withheld for tax | −2,262 | $209.78 | $474,522 |
| Mar 10, 2025 | American Tower Corporation (REIT) | Grant or award | +15,488 | — | — |
| Mar 10, 2025 | American Tower Corporation (REIT) | Shares withheld for tax | −10,327 | $213.07 | $2,200,374 |
| Feb 27, 2025 | American Tower Corporation (REIT) | Grant or award | +16,006 | — | — |
| Jan 3, 2025 | Ameren Corporation | Grant or award | +1,911 | — | — |
| Aug 2, 2024 | American Tower Corporation (REIT) | Option exercise | +21,537 | $94.57 | $2,036,754 |
Questions about Steven O. Vondran
What boards is Steven O. Vondran on?
Steven O. Vondran sits on the boards of Ameren Corporation and American Tower Corporation (REIT).
What company is Steven O. Vondran the CEO of?
Steven O. Vondran is President and CEO of American Tower Corporation (REIT).
How long has Steven O. Vondran served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2024.
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