List of insiders holdings for Six Flags Entertainment Corporation:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Brudnick Jonathan A. Ferguson Scott D. Sachem Head Capital Management LP Uncas GP LLC Sachem Head GP LLC Director | 2025-10-27 18:29:18 | 0 10,025,000 | 10,025,000 | Form 3 |
| 2 | JAFFER REHAN Director | 2026-06-16 16:27:06 | 0 4,900,000 | 4,900,000 | Form 4 |
| 3 | Zimmerman Richard President & CEO | 2025-12-09 16:18:05 | 770,577 0 | 770,577 | Form 4 |
| 4 | BASSOUL SELIM A Executive Chairman | 2026-01-05 16:18:13 | 537,223 0 | 537,223 | Form 4 |
| 5 | Witherow Brian C Chief Financial Officer | 2026-02-25 16:21:20 | 297,765 2,399 | 300,164 | Form 4 |
| 6 | HADDRILL RICHARD M Executive Chair | 2026-05-14 17:09:29 | 230,117 0 | 230,117 | Form 4 |
| 7 | FISHER TIM Chief Operating Officer | 2026-02-25 16:19:46 | 222,242 0 | 222,242 | Form 4 |
| 8 | Reilly John T President & CEO | 2025-12-09 16:19:42 | 159,847 0 | 159,847 | Form 4 |
| 9 | Hoffman David R. Chief Accounting Officer | 2026-02-25 16:20:30 | 86,178 0 | 86,178 | Form 4 |
| 10 | Nurse Brian Chief Legal Officer | 2026-02-25 16:20:05 | 79,092 0 | 79,092 | Form 4 |
| 11 | Hanrahan Daniel J Director | 2026-01-05 16:13:56 | 57,688 0 | 57,688 | Form 4 |
| 12 | Olivet D Scott Director | 2025-06-27 18:04:07 | 41,144 0 | 41,144 | Form 4 |
| 13 | White Robert Anderson Chief Commercial Officer | 2025-05-06 16:25:59 | 40,782 0 | 40,782 | Form 4 |
| 14 | Dieckmann Christian Chief Commercial Officer | 2026-02-25 16:19:20 | 37,404 0 | 37,404 | Form 4 |
| 15 | SAULS MONICA Chief HR Officer | 2025-06-24 16:33:36 | 34,473 0 | 34,473 | Form 4 |
| 16 | Spiegel Marilyn G Director | 2026-05-26 16:16:27 | 33,539 0 | 33,539 | Form 4 |
| 17 | Huang Chieh E. Director | 2026-01-06 16:32:19 | 31,277 0 | 31,277 | Form 4 |
| 18 | Tastepe Tayfun Chief Digital & Tech Officer | 2026-02-25 16:20:49 | 29,662 0 | 29,662 | Form 4 |
| 19 | Bracey Esi Eggleston Director | 2025-03-28 16:16:10 | 28,520 0 | 28,520 | Form 4 |
| 20 | Hoffman Steven E Director | 2026-01-06 16:33:24 | 26,511 0 | 26,511 | Form 4 |
| 21 | Mason Jennifer Director | 2026-01-06 16:32:55 | 26,129 0 | 26,129 | Form 4 |
| 22 | Ramirez Enrique Director | 2025-03-28 16:16:55 | 24,953 0 | 24,953 | Form 4 |
| 23 | Dutra Felipe Director | 2026-01-06 16:32:37 | 16,453 0 | 16,453 | Form 4 |
| 24 | Colglazier Michael A Director | 2026-01-06 16:33:10 | 16,453 0 | 16,453 | Form 4 |
| 25 | COCHRAN SANDRA B Director | 2026-01-06 16:32:01 | 16,453 0 | 16,453 | Form 4 |
| 26 | CARR LOUIS Director | 2025-12-29 16:13:20 | 15,245 0 | 15,245 | Form 4 |
| 27 | Frymire Michelle M Director | 2025-05-12 18:29:37 | 7,162 0 | 7,162 | Form 4 |
| 28 | Bennett Christopher Lawrence Chief Legal Officer | 2026-05-27 16:40:10 | 17 0 | 17 | Form 3 |
| 29 | Ruchim Arik W Director | 2024-07-03 17:36:54 | 0 0 | 0 | Form 3 |
| 30 | Martin Ziegenfuss Amy Chief Marketing Officer | 2026-06-03 16:30:29 | 0 0 | 0 | Form 3 |
| 31 | Walia Ashok Chief Financial Officer | 2026-06-17 17:41:34 | 0 0 | 0 | Form 3 |