SEC Form 4 · Updated Daily
SUI
— SUN COMMUNITIES, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| SHIFFMAN GARY A | Director | 857,761 | 2026-06-24 | S |
| Rowe Randall K | Director | 482,040 | 2016-03-14 | D |
| Dearing Karen | Director | 153,594 | 2023-03-20 | F |
| JORISSEN JEFFREY P | Officer | 102,183 | 2008-01-31 | F |
| Goldman James R | Director | 84,755 | 2016-03-14 | D |
| McLaren John Bandini | Officer | 75,100 | 2026-07-21 | F |
| Young Charles D. | Director · Officer | 74,084 | 2026-10-01 | F |
| Weiss Aaron | Officer | 60,248 | 2026-10-19 | F |
| Underwood Baxter | Officer | 57,546 | 2025-03-28 | F |
| Thelen Bruce | Officer | 54,687 | 2026-03-09 | F |
| Farrugia Marc | Officer | 46,891 | 2026-07-21 | F |
| WEISS ARTHUR A | Director | 38,256 | 2024-01-18 | A |
| FANNON BRIAN W | Officer | 27,780 | 2008-07-10 | F |
| HERMELIN BRIAN M | Director | 27,317 | 2026-02-05 | A |
| BERGERON STEPHANIE W | Director | 26,700 | 2025-01-08 | A |
| COLMAN JONATHAN | Officer | 25,112 | 2020-03-05 | S |
| Baivier Meghan G. | Director | 19,417 | 2026-02-05 | A |
| KLEIN RONALD A | Director | 17,400 | 2021-02-01 | A |
| PIASECKI RONALD L | Director | 17,100 | 2017-02-08 | A |
| LEWIS CLUNET R | Director | 16,817 | 2026-03-05 | S |
| Loftus Brian P | Officer | 15,282 | 2026-07-21 | F |
| Castro-Caratini Fernando | Officer | 12,487 | 2026-05-26 | S |
| LAPIDES PAUL D | Director | 12,400 | 2016-06-08 | S |
| NAFTALY ROBERT H | Director | 11,900 | 2014-02-12 | A |
| Allen Tonya | Director | 10,426 | 2026-02-05 | A |
| SIMON TED J | Director | 9,741 | 2012-12-26 | M |
| Blau Jeff | Director | 7,217 | 2026-02-05 | A |
| Garechana Robert | Officer | 6,374 | 2026-09-08 | A |
| Ehlinger Jerome W. | Director | 3,217 | 2026-02-05 | A |
| McAlary Ileana | Officer | 2,722 | 2026-06-29 | A |
| Leupold Craig | Director | 2,348 | 2024-03-28 | S |
| Denien Mark A | Director | 1,200 | 2025-05-13 | A |
| Patten Mark E | Officer | 0 | 2026-02-04 | D |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-19 | Weiss Aaron | Tax withholding | 1,979 | $117.55 | 60,248 |
| 2026-10-01 | Young Charles D. | Tax withholding | 3,393 | $110.00 | 74,084 |
| 2026-09-08 | Garechana Robert | — | — | — | 0 |
| 2026-09-08 | Garechana Robert | Grant / award (derivative) | 16,255 | $0.00 | 16,255 |
| 2026-09-08 | Garechana Robert | Grant / award | 6,374 | $117.65 | 6,374 |
| 2026-07-21 | Weiss Aaron | Tax withholding | 2,652 | $119.04 | 62,227 |
| 2026-07-21 | Loftus Brian P | Tax withholding | 214 | $119.04 | 15,282 |
| 2026-07-21 | McLaren John Bandini | Tax withholding | 418 | $119.04 | 75,100 |
| 2026-07-21 | Farrugia Marc | Tax withholding | 1,234 | $119.04 | 46,891 |
| 2026-06-29 | McAlary Ileana | Grant / award (derivative) | 6,905 | $0.00 | 6,905 |
| 2026-06-29 | McAlary Ileana | Grant / award | 2,722 | $121.23 | 2,722 |
| 2026-06-24 | SHIFFMAN GARY A | Open-market sale | 25,031 | $119.96 | 857,761 |
| 2026-05-26 | McLaren John Bandini | Gift | 910 | $0.00 | 75,518 |
| 2026-05-26 | McLaren John Bandini | Gift | 209 | $0.00 | 76,428 |
| 2026-05-26 | Castro-Caratini Fernando | Open-market sale | 2,489 | $124.97 | 9,998 |
| 2026-05-26 | Castro-Caratini Fernando | Open-market sale | 21,261 | $124.37 | 12,487 |
| 2026-03-27 | McLaren John Bandini | Grant / award (derivative) | 4,690 | $0.00 | 4,690 |
| 2026-03-27 | McLaren John Bandini | Grant / award | 2,389 | $125.57 | 76,637 |
| 2026-03-27 | Weiss Aaron | Grant / award (derivative) | 10,321 | $0.00 | 10,321 |
| 2026-03-27 | Weiss Aaron | Grant / award | 5,256 | $125.57 | 64,879 |
| 2026-03-27 | Farrugia Marc | Grant / award (derivative) | 9,382 | $0.00 | 9,382 |
| 2026-03-27 | Farrugia Marc | Grant / award | 4,778 | $125.57 | 51,274 |
| 2026-03-27 | Young Charles D. | Grant / award (derivative) | 28,151 | $0.00 | 28,151 |
| 2026-03-27 | Young Charles D. | Grant / award | 14,334 | $125.57 | 77,477 |
| 2026-03-17 | McLaren John Bandini | Tax withholding | 872 | $135.27 | 74,248 |
| 2026-03-12 | Farrugia Marc | Grant / award | 296 | $135.00 | 939 |
| 2026-03-12 | Loftus Brian P | Grant / award | 5,185 | $135.00 | 15,496 |
| 2026-03-09 | Farrugia Marc | Tax withholding | 19 | $135.44 | 643 |
| 2026-03-09 | Farrugia Marc | Tax withholding | 560 | $135.44 | 46,496 |
| 2026-03-09 | Weiss Aaron | Tax withholding | 1,344 | $135.44 | 59,623 |
| 2026-03-09 | Thelen Bruce | Tax withholding | 560 | $135.44 | 54,687 |
| 2026-03-09 | Loftus Brian P | Tax withholding | 172 | $135.44 | 10,311 |
| 2026-03-09 | Castro-Caratini Fernando | Tax withholding | 7,858 | $135.44 | 33,748 |
| 2026-03-05 | Farrugia Marc | Tax withholding | 9 | $136.69 | 662 |
| 2026-03-05 | Farrugia Marc | Tax withholding | 699 | $136.69 | 47,056 |
| 2026-03-05 | LEWIS CLUNET R | Open-market sale | 3,200 | $136.15 | 0 |
| 2026-03-05 | LEWIS CLUNET R | Open-market sale | 3,800 | $136.01 | 16,817 |
| 2026-03-04 | Thelen Bruce | Tax withholding | 635 | $135.86 | 55,247 |
| 2026-03-04 | Farrugia Marc | Tax withholding | 19 | $135.86 | 671 |
| 2026-03-04 | Farrugia Marc | Tax withholding | 560 | $135.86 | 47,755 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.