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Six Flags Entertainment stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−45.6% to $10.00
Six Flags Entertainment (FUN) stock fell 46% over the last 252 sessions, to $10.00. On the way it reported 5 quarters, its insiders filed 5 open-market trades, and the company filed 13 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 |
|---|---|---|---|---|---|
| Nov 5, 2026 | Earnings | Earnings: beat the EPS estimate by 19.4% | +15.3% (+19.8% vs SPY) | — | — |
| Aug 6, 2026 | Earnings | Earnings: missed the EPS estimate by -523.6% | −17.4% (−17.3% vs SPY) | −13.1% (−13.5% vs SPY) | −22.1% (−22.6% vs SPY) |
| Jul 2, 2026 | 8-K | Directors and officers: departures, appointments, pay | −7.1% (−8.0% vs SPY) | −7.6% (−8.9% vs SPY) | −17.5% (−19.2% vs SPY) |
| Jul 1, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.6% (+2.7% vs SPY) | −9.3% (−10.1% vs SPY) | −16.6% (−16.8% vs SPY) |
| Jun 15, 2026 | Insider buy | Jaffer Rehan bought $2.9M | −0.4% (−2.2% vs SPY) | −3.2% (−3.8% vs SPY) | −19.0% (−21.0% vs SPY) |
| Jun 12, 2026 | Insider buy | Jaffer Rehan bought $3.0M | −4.0% (−4.5% vs SPY) | +2.2% (+0.8% vs SPY) | −26.0% (−28.1% vs SPY) |
| May 27, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.0% (−1.5% vs SPY) | −1.0% (−1.5% vs SPY) | +7.1% (+9.7% vs SPY) |
| May 21, 2026 | Insider buy | Spiegel Marilyn G bought $48K | +0.8% (+0.6% vs SPY) | +3.7% (+1.9% vs SPY) | +14.9% (+14.2% vs SPY) |
| May 20, 2026 | 8-K | Material definitive agreement | +0.8% (+0.6% vs SPY) | +3.7% (+1.9% vs SPY) | +14.9% (+14.2% vs SPY) |
| May 12, 2026 | Insider buy | Spiegel Marilyn G bought $48K | −6.4% (−6.2% vs SPY) | −0.3% (−0.3% vs SPY) | +13.8% (+15.7% vs SPY) |
| May 12, 2026 | Insider buy | Haddrill Richard M bought $191K | −6.4% (−6.2% vs SPY) | −0.3% (−0.3% vs SPY) | +13.8% (+15.7% vs SPY) |
| May 7, 2026 | 8-K | Directors and officers: departures, appointments, pay | −3.4% (−4.2% vs SPY) | −12.5% (−14.8% vs SPY) | −3.2% (−4.3% vs SPY) |
| May 7, 2026 | Earnings | Earnings: beat the EPS estimate by 23.7% | +14.5% (+14.8% vs SPY) | −1.9% (−3.0% vs SPY) | +5.1% (+4.6% vs SPY) |
| Mar 25, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.3% (+4.1% vs SPY) | +1.8% (+2.0% vs SPY) | +5.7% (−2.7% vs SPY) |
| Mar 13, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.5% (+1.5% vs SPY) | +1.6% (+3.4% vs SPY) | +22.9% (+17.9% vs SPY) |
| Mar 5, 2026 | 8-K | Material definitive agreement | +4.6% (+5.1% vs SPY) | −8.0% (−6.7% vs SPY) | +0.3% (+4.4% vs SPY) |
| Feb 19, 2026 | Earnings | Earnings: missed the EPS estimate by -147.7% | +8.0% (+8.3% vs SPY) | +4.7% (+3.7% vs SPY) | +7.1% (+11.1% vs SPY) |
| Jan 23, 2026 | 8-K | Material definitive agreement | +2.3% (+1.8% vs SPY) | +4.0% (+3.6% vs SPY) | −3.8% (−3.6% vs SPY) |
| Jan 14, 2026 | 8-K | Material definitive agreement | −3.1% (−3.4% vs SPY) | +11.4% (+11.6% vs SPY) | −3.0% (−1.7% vs SPY) |
| Jan 5, 2026 | 8-K | Directors and officers: departures, appointments, pay | +4.1% (+3.5% vs SPY) | +7.9% (+6.8% vs SPY) | +23.6% (+23.8% vs SPY) |
| Dec 23, 2025 | 8-K | Directors and officers: departures, appointments, pay | +3.8% (+3.5% vs SPY) | +10.5% (+11.4% vs SPY) | +24.9% (+24.2% vs SPY) |
| Nov 24, 2025 | 8-K | Directors and officers: departures, appointments, pay | +1.6% (+0.6% vs SPY) | +4.0% (+2.1% vs SPY) | −0.6% (−4.1% vs SPY) |
| Nov 7, 2025 | Earnings | Earnings: beat the EPS estimate by 47.2% | −2.0% (−2.1% vs SPY) | −20.0% (−20.2% vs SPY) | −22.9% (−24.9% vs SPY) |
Insiders’ record here
In the year on the chart, Six Flags Entertainment's insiders reported 5 open-market buys ($6.2M) and 0 sales ($0). Of the 5 old enough to score, 0 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 −18.3% and after a sale —.
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% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Six Flags Entertainment: 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.