🕵️ Sun Communities Inc ($SUI)
SEC insider & ownership activity, last 12 months · CIK 912593 · every row links its SEC filing
Over the last 12 months insiders sold $27.7M with no open-market buying against it. Gary A. Shiffman sold $22.4M in discretionary trades (Dec–Jun). One red-flag 8-K in the window: Impairment (2.06), May 21, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $27.7M (10 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Gary A. Shiffman | 0 | – | 2 | $22.4M | Jun 24, 2026 |
| Castro-Caratini Fernando | 0 | – | 2 | $3.0M | May 26, 2026 |
| Clunet R. Lewis | 0 | – | 6 | $2.4M | Mar 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13.4% | 13G | Sep 4, 2026 | filing ↗ | |
| Cohen & Steers, Inc. | 13.1% | 13G | Feb 13, 2025 | filing ↗ | |
| Cohen & Steers, Inc. | 10.6% | 13G | May 7, 2026 | filing ↗ | |
| Cohen & Steers Capital Management, Inc. | 10.5% | 13G | May 7, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 8.3% | 13G | Apr 29, 2026 | filing ↗ | |
| Dodge & COX | 7.7% | 13G | Aug 7, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.3% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Gary A. Shiffman | $3.1M | Jun 24, 2026 | filing ↗ |
| Fernando Castro-Caratini | $3.0M | May 26, 2026 | filing ↗ |
| Clunet R. Lewis | $1.2M | Feb 27, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Aug 24, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Aug 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 21, 2026 | filing ↗ |
| Earnings (2.02) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 1, 2026 | filing ↗ |
| Other events (8.01) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Material agreement (1.01) | May 21, 2026 | filing ↗ |
| Impairment (2.06) | May 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 21, 2026 | filing ↗ |
| Other events (8.01) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | Apr 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 27, 2026 | filing ↗ |
| Auditor change (4.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Auditor change (4.01) | Mar 23, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |