| $1B | ||
| $595M | ||
| $211M | ||
| $195M | ||
| $137M | ||
| $129M |
Buys | $6,422,303 | 6 | 100 |
Sells | $0 | 0 | 0 |
| JAFFER REHAN | director | 2 | $5.89M | 0 | $0 | $5.89M |
| Reilly John T | President & CEO | 1 | $248,265 | 0 | $0 | $248,265 |
| HADDRILL RICHARD M | Executive Chair | 1 | $190,800 | 0 | $0 | $190,800 |
| Spiegel Marilyn G | director | 2 | $95,563 | 0 | $0 | $95,563 |
Six Flags Entertainment Corporation stands as a prominent operator of amusement and resort properties situated across North America. Its extensive network encompasses theme parks, aquatic parks, and associated leisure destinations, spanning 17 states within the U.S., as well as locations in Canada and Mexico. The company specializes in delivering exciting and memorable experiences to its diverse clientele. This is achieved through a variety of attractions, including thrilling roller coasters, imaginative themed rides, comprehensive water park …
Over the last 12 months, insiders at Six Flags Entertainment Corporation have bought $6.42M and sold $0 worth of Six Flags Entertainment Corporation stock.
On average, over the past 5 years, insiders at Six Flags Entertainment Corporation have bought $2.25M and sold $781,547 worth of stock each year.
Highest buying activity among insiders over the last 12 months: JAFFER REHAN (director) — $5.89M. Reilly John T (President & CEO) — $248,265. HADDRILL RICHARD M (Executive Chair) — $190,800.
The last purchase of 15,713 shares for transaction amount of $248,265 was made by Reilly John T (President & CEO) on 2026‑08‑12.
| 2026-08-12 | Reilly John T | President & CEO | 15,713 0.0148% | $15.80 | $248,265 | -25.12% | ||
| 2026-06-15 | JAFFER REHAN | director | 125,000 0.1227% | $23.41 | $2.93M | -32.31% | ||
| 2026-06-12 | JAFFER REHAN | director | 125,000 0.1236% | $23.69 | $2.96M | -32.38% | ||
| 2026-05-21 | Spiegel Marilyn G | director | 2,500 0.0024% | $19.10 | $47,750 | -16.25% | ||
| 2026-05-12 | HADDRILL RICHARD M | Executive Chair | 10,000 0.0099% | $19.08 | $190,800 | -11.16% | ||
| 2026-05-12 | Spiegel Marilyn G | director | 2,500 0.0025% | $19.13 | $47,813 | -11.16% | ||
| 2025-08-07 | Hoffman Steven E | director | 10,058 0.0098% | $24.67 | $248,084 | -25.56% | ||
| 2025-05-12 | Sale | Frymire Michelle M | director | 5,929 0.0058% | $37.89 | $224,650 | -47.29% | |
| 2025-03-14 | Sale | SAULS MONICA | Chief HR Officer | 1,161 0.0012% | $37.83 | $43,921 | -37.13% | |
| 2024-12-13 | Sale | White Robert Anderson | Chief Commercial Officer | 11,113 0.0111% | $46.16 | $512,976 | -31.19% | |
| 2022-08-10 | Hanrahan Daniel J | 1,500 0.0027% | $44.15 | $66,225 | -3.88% | |||
| 2021-05-10 | Sale | Ouimet Matthew A | director | 213,500 0.3765% | $46.91 | $10.02M | +0.04% | |
| 2020-03-11 | FISHER TIM | Chief Operating Officer | 3,660 0.0061% | $27.33 | $100,028 | -0.69% | ||
| 2020-03-11 | Ruisanchez Carlos | director | 5,000 0.0086% | $28.50 | $142,500 | -0.69% | ||
| 2020-03-10 | HECKMAN CRAIG | EVP, Human Resources | 1,000 0.0018% | $32.94 | $32,940 | -8.59% | ||
| 2020-03-06 | Zimmerman Richard | President & CEO | 5,000 0.0088% | $37.19 | $185,950 | -22.73% | ||
| 2020-03-06 | Witherow Brian C | Executive VP & CFO | 5,000 0.0089% | $37.73 | $188,650 | -22.73% | ||
| 2020-03-06 | DUFFIELD MILKIE | Executive VP - General Counsel | 5,390 0.0094% | $37.15 | $200,239 | -22.73% | ||
| 2020-03-06 | Hoffman David R. | Senior VP & CAO | 1,500 0.0027% | $37.49 | $56,235 | -22.73% | ||
| 2020-03-06 | Scott John M III | director | 1,300 0.0023% | $37.78 | $49,114 | -22.73% |
| JAFFER REHAN | director | 4900000 4.7891% | $36.55M | 2 | 0 | |
| Reilly John T | President & CEO | 297736 0.291% | $2.22M | 1 | 0 | |
| HADDRILL RICHARD M | Executive Chair | 230117 0.2249% | $1.72M | 1 | 0 | |
| Spiegel Marilyn G | director | 15161 0.0148% | $113,101.06 | 2 | 0 | |
| Q4 Funding LP | 10 percent owner | 3379318 3.3028% | $25.21M | 12 | 0 | +8.14% |
| KINZEL RICHARD L | director | 968694 0.9468% | $7.23M | 6 | 24 | +17.66% |
| Zimmerman Richard | President & CEO | 194694 0.1903% | $1.45M | 6 | 1 | +12.9% |
| Witherow Brian C | Executive VP & CFO | 130669 0.1277% | $974,790.74 | 4 | 0 | +24.82% |
| ALBINO JOHN R | VP & GM - Dorney Park | 90183 0.0881% | $672,765.18 | 2 | 8 | +3.24% |
| DUFFIELD MILKIE | Executive VP - General Counsel | 69763 0.0682% | $520,431.98 | 6 | 1 | +24.62% |
| BENDER H PHILLIP | Executive VP Operations | 58873 0.0575% | $439,192.58 | 1 | 2 | +59.52% |
| KLEIN THOMAS | director | 56012 0.0547% | $417,849.52 | 17 | 0 | +11.87% |
| Q Funding III, L.P. | 10 percent owner | 55763 0.0545% | $415,991.98 | 3 | 18 | +16.32% |
| Hoffman David R. | Senior VP & CAO | 39255 0.0384% | $292,842.30 | 4 | 2 | <0.0001% |
| Freeman Craig J | Senior VP, Administration | 32256 0.0315% | $240,629.76 | 3 | 4 | +48.41% |
| Hanrahan Daniel J | 31397 0.0307% | $234,221.62 | 3 | 0 | <0.0001% | |
| TISHMAN STEVEN | director | 26519 0.0259% | $197,831.74 | 4 | 0 | |
| MACKENZIE LARRY | VP & GM - Valleyfair | 25502 0.0249% | $190,244.92 | 1 | 1 | <0.0001% |
| FISHER TIM | Chief Operating Officer | 24153 0.0236% | $180,181.38 | 1 | 0 | <0.0001% |
| KWIATKOWSKI MICHAEL D | director | 18292 0.0179% | $136,458.32 | 11 | 2 | +34.12% |
| Hoffman Steven E | director | 13473 0.0132% | $100,508.58 | 1 | 0 | <0.0001% |
| Affeldt Eric | director | 12200 0.0119% | $91,012.00 | 11 | 1 | +28.75% |
| Scott John M III | director | 11535 0.0113% | $86,051.10 | 7 | 0 | +19.23% |
| Ruisanchez Carlos | director | 11308 0.0111% | $84,357.68 | 2 | 0 | <0.0001% |
| HECKMAN CRAIG | EVP, Human Resources | 8509 0.0083% | $63,477.14 | 1 | 0 | <0.0001% |
| PARADEAU DAVID L | Former Director | 7438 0.0073% | $55,487.48 | 4 | 5 | +1.99% |
| France Gina D | director | 5575 0.0054% | $41,589.50 | 2 | 0 | +50.74% |
| FERREIRA RICHARD S | director | 4096 0.004% | $30,556.16 | 3 | 0 | |
| Picon Gregory | VP & GM-West Coast Operations | 1914 0.0019% | $14,278.44 | 1 | 0 | <0.0001% |
| TRACY THOMAS A | director | 1000 0.001% | $7,460.00 | 1 | 0 | +3.85% |
| Scheid Greg | VP & GM - Kings Island | 524 0.0005% | $3,909.04 | 1 | 0 | <0.0001% |
| FALFAS JACOB T | Chief Operating Officer | 0 0% | $0 | 5 | 13 | <0.0001% |
| Crage Peter J | 0 0% | $0 | 1 | 4 | <0.0001% | |
| Ouimet Matthew A | director | 0 0% | $0 | 3 | 12 | +31.81% |
$115,488,827 | 134 | 12.35% | $364.58M | |
Cedar Fair, L.P. (FUN) | $137,643,860 | 117 | 14.79% | $763.28M |
$6,769,510 | 115 | 25.45% | $280.92M | |
$37,569,179 | 41 | -0.68% | $351.65M | |
$25,778,392 | 38 | 1.82% | $174.21M |
| Increased Positions | 146 | +37.24% | 25M | +22.51% |
| Decreased Positions | 162 | -41.33% | 26M | -23.46% |
| New Positions | 66 | New | 8M | New |
| Sold Out Positions | 67 | Sold Out | 16M | Sold Out |
| Total Postitions | 376 | -4.08% | 110M | -0.95% |
| Blackrock, Inc. | $233,151.00 | 14.9% | 15.05M | +2M | +11.31% | 2025-09-30 |
| Vanguard Group Inc | $155,950.00 | 9.97% | 10.07M | +53,111 | +0.53% | 2025-09-30 |
| Darlington Partners Capital Management, Lp | $134,763.00 | 8.61% | 8.7M | 0 | 0% | 2025-09-30 |
| Morgan Stanley | $90,525.00 | 5.79% | 5.84M | +3M | +141.15% | 2025-09-30 |
| Sachem Head Capital Management Lp | $77,915.00 | 4.98% | 5.03M | +150,000 | +3.07% | 2025-09-30 |
| Dendur Capital Lp | $72,238.00 | 4.62% | 4.66M | +230,000 | +5.19% | 2025-09-30 |
| H Partners Management, Llc | $72,029.00 | 4.6% | 4.65M | 0 | 0% | 2025-09-30 |
| Jana Partners Management, Lp | $62,734.00 | 4.01% | 4.05M | +4M | New | 2025-09-30 |
| State Street Corp | $54,469.00 | 3.48% | 3.52M | +50,924 | +1.47% | 2025-09-30 |
| Edgepoint Investment Group Inc. | $48,245.00 | 3.08% | 3.11M | +3M | New | 2025-09-30 |