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Sun Communities stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+0.5% to $120.30
Sun Communities (SUI) stock rose 1% over the last 252 sessions, to $120.30. On the way it reported 0 quarters, its insiders filed 4 open-market trades and 1 Form 144 notice of planned sales, and the company filed 10 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Oct 2, 2026 | 8-K | Material definitive agreement | +0.7% (−0.1% vs SPY) | +1.6% (+0.3% vs SPY) | +2.9% (+4.0% vs SPY) |
| Sep 23, 2026 | 8-K | Completed acquisition or disposition | −1.1% (−1.0% vs SPY) | −0.4% (+0.3% vs SPY) | +7.5% (+8.0% vs SPY) |
| Aug 27, 2026 | 8-K | Directors and officers: departures, appointments, pay | −0.2% (0.0% vs SPY) | −2.7% (−3.0% vs SPY) | −9.3% (−8.8% vs SPY) |
| Aug 25, 2026 | 8-K | Directors and officers: departures, appointments, pay | −0.6% (−0.6% vs SPY) | −3.6% (−3.1% vs SPY) | −12.5% (−12.9% vs SPY) |
| Jun 24, 2026 | Form 144 | Form 144: Gary A. Shiffman plans to sell $3.1M | +0.4% (+0.4% vs SPY) | +1.3% (−0.5% vs SPY) | +1.3% (+0.7% vs SPY) |
| Jun 24, 2026 | Insider sale | Shiffman Gary A sold $3.0M | +0.4% (+0.4% vs SPY) | +1.3% (−0.5% vs SPY) | +1.3% (+0.7% vs SPY) |
| May 26, 2026 | Insider sale | Castro-Caratini Fernando sold $3.0M | −2.3% (−2.9% vs SPY) | −6.0% (−7.7% vs SPY) | −6.3% (−4.9% vs SPY) |
| May 21, 2026 | 8-K | Material definitive agreement | +2.6% (+2.5% vs SPY) | +1.6% (−0.2% vs SPY) | −3.9% (−4.6% vs SPY) |
| May 13, 2026 | 8-K | Change in auditor | −2.0% (−2.7% vs SPY) | −1.1% (−0.9% vs SPY) | +2.1% (+2.2% vs SPY) |
| Mar 27, 2026 | 8-K | Change in auditor | +0.5% (+0.8% vs SPY) | +2.7% (−1.2% vs SPY) | +3.0% (−8.5% vs SPY) |
| Mar 9, 2026 | 8-K | Directors and officers: departures, appointments, pay | +0.9% (+1.0% vs SPY) | −0.4% (+1.0% vs SPY) | −4.3% (−4.2% vs SPY) |
| Mar 5, 2026 | Insider sale | Lewis Clunet R sold $953K | +0.6% (+1.2% vs SPY) | +0.3% (+1.6% vs SPY) | −4.1% (0.0% vs SPY) |
| Feb 27, 2026 | Insider sale | Lewis Clunet R sold $956K | +0.5% (+1.0% vs SPY) | +0.7% (+1.8% vs SPY) | −7.8% (+0.3% vs SPY) |
| Feb 10, 2026 | 8-K | Directors and officers: departures, appointments, pay | −0.3% (−0.3% vs SPY) | +1.3% (+2.2% vs SPY) | +5.1% (+9.0% vs SPY) |
| Dec 16, 2025 | 8-K | Directors and officers: departures, appointments, pay | +0.7% (+1.8% vs SPY) | +0.1% (−1.5% vs SPY) | +6.4% (+4.2% vs SPY) |
Insiders’ record here
In the year on the chart, Sun Communities' insiders reported 0 open-market buys ($0) and 4 sales ($7.9M). Of the 4 old enough to score, 4 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale −11.1%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 4.01 Change in auditor | 538 | 0.0% | 49% | −0.1% | ±1.7% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.06 Material impairment | 334 | 0.0% | 50% | +0.4% | ±1.9% |
| 2.01 Completed acquisition or disposition | 2,671 | +0.1% | 52% | +1.2% | ±1.6% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Sun Communities: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.