Gary A. Shiffman, a director at Sun Communities Inc. ($SUI), sold shares once on the open market in the last year, totaling $19.4 million. His most recent sale occurred on December 17, 2025. This places him 692nd among 11,678 insiders by sale value, above the average of $8.6 million per person and 6.4 transactions. Shiffman made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 5, 2026 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Director | A | COMMON STOCK, $0.01 PAR VALUE | 1617 | $123.68 | 975,870.0000 | 123,608,071 | 0.17% | 0.00% |
| Dec. 17, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Director | S | COMMON STOCK, $0.01 PAR VALUE | 156875 | $123.53 | 974,253.0000 | 123,608,071 | 13.87% | 0.13% |
| Dec. 9, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Director | M | COMMON STOCK, $0.01 PAR VALUE | 156875 | $0.00 | 1,131,128.0000 | 123,608,071 | 16.10% | 0.13% |
| Jan. 22, 2022 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Director | G | COMMON OPERATING PARTNERSHIP UNITS | 156875 | $0.00 | 156,875.0000 | 0 | 9999.99% | 0.00% |
| Dec. 9, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Director | M | COMMON OPERATING PARTNERSHIP UNITS | 156875 | $0.00 | 576,222.0000 | 123,608,071 | 21.40% | 0.13% |
| March 19, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 9311 | $0.00 | 974,253.0000 | 127,436,693 | 0.95% | 0.01% |
| March 20, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 21904 | $0.00 | 974,253.0000 | 127,436,693 | 2.20% | 0.02% |
| March 17, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 2965 | $132.04 | 1,005,468.0000 | 127,436,693 | 0.29% | 0.00% |
| March 7, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | A | COMMON STOCK, $0.01 PAR VALUE | 30000 | $133.63 | 1,008,433.0000 | 127,436,693 | 3.07% | 0.02% |
| March 4, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 174 | $132.67 | 978,433.0000 | 127,436,693 | 0.02% | 0.00% |
| Feb. 24, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 5372 | $134.25 | 978,607.0000 | 127,436,693 | 0.55% | 0.00% |
| Feb. 13, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 1487 | $126.61 | 983,979.0000 | 127,436,693 | 0.15% | 0.00% |
| Jan. 21, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 41039 | $0.00 | 985,466.0000 | 127,436,693 | 4.35% | 0.03% |
| Dec. 31, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 850 | $0.00 | 944,427.0000 | 124,400,000 | 0.09% | 0.00% |
| Jan. 1, 2025 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | D | COMMON STOCK, $0.01 PAR VALUE | 51000 | $0.00 | 944,427.0000 | 127,436,693 | 5.12% | 0.04% |
| Dec. 31, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | J | COMMON STOCK, $0.01 PAR VALUE | 10568 | $0.00 | 945,277.0000 | 124,400,000 | 1.13% | 0.01% |
| Dec. 31, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman & CEO | J | COMMON STOCK, $0.01 PAR VALUE | 10568 | $0.00 | 995,427.0000 | 124,400,000 | 1.05% | 0.01% |
| March 20, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 2093 | $131.28 | 996,277.0000 | 124,400,000 | 0.21% | 0.00% |
| March 18, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 3692 | $130.40 | 998,370.0000 | 124,400,000 | 0.37% | 0.00% |
| March 14, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 1635 | $131.10 | 1,002,062.0000 | 124,400,000 | 0.16% | 0.00% |
| March 4, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | A | COMMON STOCK, $0.01 PAR VALUE | 5000 | $132.13 | 1,003,697.0000 | 124,400,000 | 0.50% | 0.00% |
| Feb. 26, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 2616 | $131.35 | 998,697.0000 | 124,400,000 | 0.26% | 0.00% |
| Feb. 23, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 2965 | $131.39 | 1,001,313.0000 | 124,400,000 | 0.30% | 0.00% |
| Feb. 13, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 2267 | $124.83 | 1,004,278.0000 | 124,400,000 | 0.23% | 0.00% |
| Jan. 2, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | D | COMMON STOCK, $0.01 PAR VALUE | 56000 | $0.00 | 940,245.0000 | 124,400,000 | 5.62% | 0.05% |
| Jan. 12, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 15993 | $0.00 | 1,006,545.0000 | 124,400,000 | 1.61% | 0.01% |
| Jan. 12, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 50307 | $0.00 | 990,552.0000 | 124,400,000 | 5.35% | 0.04% |
| Jan. 12, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 50307 | $0.00 | 1,007,411.0000 | 124,400,000 | 5.26% | 0.04% |
| Jan. 12, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | G | COMMON STOCK, $0.01 PAR VALUE | 15993 | $0.00 | 1,023,404.0000 | 124,400,000 | 1.59% | 0.01% |
| Jan. 2, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | F | COMMON STOCK, $0.01 PAR VALUE | 11084 | $135.52 | 985,161.0000 | 124,400,000 | 1.11% | 0.01% |
| Jan. 2, 2024 | SUN COMMUNITIES INC | $SUI | SHIFFMAN GARY A | Chairman, President & CEO | D | COMMON STOCK, $0.01 PAR VALUE | 28057 | $0.00 | 957,104.0000 | 124,400,000 | 2.85% | 0.02% |