Gary A. Shiffman
Chairman, President & CEO at Sun Communities Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Sun Communities Inc., 3 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.
-
Sun Communities Inc. May 12, 202696.3%
-
Sun Communities Inc. May 13, 202593.9%
-
Sun Communities Inc. May 14, 202495.6%
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Sun Communities Inc. May 16, 202392.4%
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 |
|---|---|---|---|---|---|
| Jun 24, 2026 | Sun Communities Inc. | Open-market sale | −25,031 | $119.96 | $3,002,719 |
| Feb 5, 2026 | Sun Communities Inc. | Grant or award | +1,617 | $123.68 | $199,991 |
| Dec 17, 2025 | Sun Communities Inc. | Open-market sale | −156,875 | $123.53 | $19,378,769 |
| Dec 9, 2025 | Sun Communities Inc. | Option exercise | +156,875 | — | — |
| Mar 20, 2025 | Sun Communities Inc. | Gift | −21,904 | — | — |
| Mar 19, 2025 | Sun Communities Inc. | Gift | −9,311 | — | — |
| Mar 17, 2025 | Sun Communities Inc. | Shares withheld for tax | −2,965 | $132.04 | $391,499 |
| Mar 7, 2025 | Sun Communities Inc. | Grant or award | +30,000 | $133.63 | $4,008,900 |
| Mar 4, 2025 | Sun Communities Inc. | Shares withheld for tax | −174 | $132.67 | $23,085 |
| Feb 24, 2025 | Sun Communities Inc. | Shares withheld for tax | −5,372 | $134.25 | $721,191 |
| Feb 13, 2025 | Sun Communities Inc. | Shares withheld for tax | −1,487 | $126.61 | $188,269 |
| Jan 21, 2025 | Sun Communities Inc. | Gift | +41,039 | — | — |
| Jan 1, 2025 | Sun Communities Inc. | Sold back to the company | −51,000 | — | — |
| Dec 31, 2024 | Sun Communities Inc. | Other | −10,568 | — | — |
| Dec 31, 2024 | Sun Communities Inc. | Other | +10,568 | — | — |
Questions about Gary A. Shiffman
What boards is Gary A. Shiffman on?
Gary A. Shiffman sits on the board of Sun Communities Inc.
Has Gary A. Shiffman been a CEO?
Yes — Gary A. Shiffman was CEO of Sun Communities Inc. (Until October 2025).
How long has Gary A. Shiffman served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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