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Six Flags Entertainment Corporation/NEW
Stock Price & Insider Activity
Historical close with open-market insider transaction markers
Insider activity
Sign in to download CSVBought$11.8M27 buy days
Sold$16.3M19 sell days
Net insider flow$-4.4Mnet selling · 10 years
Latest trade2026-08-12Reilly John T
| Date | Side | Insider | Role | Shares | Avg price | Value | Trades |
|---|---|---|---|---|---|---|---|
| 2026-08-12 | Buy | Reilly John T | CEO | 15,713 | $15.80 | $248.3K | 1 |
| 2026-06-15 | Buy | JAFFER REHAN | Director | 125,000 | $23.41 | $2.9M | 1 |
| 2026-06-12 | Buy | JAFFER REHAN | Director | 125,000 | $23.69 | $3.0M | 1 |
| 2026-05-21 | Buy | Spiegel Marilyn G | Director | 2,500 | $19.10 | $47.8K | 1 |
| 2026-05-12 | Buy | HADDRILL RICHARD M | Chair | 10,000 | $19.08 | $190.8K | 1 |
| 2026-05-12 | Buy | Spiegel Marilyn G | Director | 2,500 | $19.13 | $47.8K | 1 |
| 2025-08-07 | Buy | Hoffman Steven E | Director | 10,058 | $24.67 | $248.1K | 2 |
| 2025-05-12 | Sell | Frymire Michelle M | Director | 5,929 | $37.89 | $224.6K | 1 |
| 2025-03-14 | Sell | SAULS MONICA | Other C-suite | 1,161 | $37.83 | $43.9K | 1 |
| 2024-12-13 | Sell | White Robert Anderson | Other C-suite | 11,113 | $46.16 | $513.0K | 1 |
| 2022-08-10 | Buy | Hanrahan Daniel J | Director | 1,500 | $44.15 | $66.2K | 1 |
| 2021-05-10 | Sell | Ouimet Matthew A | Director | 213,500 | $46.91 | $10.0M | 2 |
| 2020-03-11 | Buy | Ruisanchez Carlos | Director | 5,000 | $28.50 | $142.5K | 2 |
| 2020-03-11 | Buy | FISHER TIM | COO | 3,660 | $27.33 | $100.0K | 1 |
| 2020-03-10 | Buy | HECKMAN CRAIG | EVP / SVP | 1,000 | $32.94 | $32.9K | 1 |
| 2020-03-06 | Buy | DUFFIELD MILKIE | General counsel | 5,390 | $37.15 | $200.2K | 1 |
| 2020-03-06 | Buy | Witherow Brian C | CFO | 5,000 | $37.73 | $188.6K | 1 |
| 2020-03-06 | Buy | Zimmerman Richard | CEO | 5,000 | $37.19 | $185.9K | 1 |
| 2020-03-06 | Buy | Hoffman David R. | Other C-suite | 1,500 | $37.49 | $56.2K | 1 |
| 2020-03-06 | Buy | Scott John M III | Director | 1,300 | $37.78 | $49.1K | 1 |
| 2020-02-28 | Buy | Scott John M III | Director | 5,700 | $43.25 | $246.5K | 1 |
| 2020-02-26 | Buy | Hanrahan Daniel J | Director | 11,250 | $44.36 | $499.1K | 1 |
| 2020-02-26 | Buy | Ruisanchez Carlos | Director | 5,000 | $44.81 | $224.1K | 1 |
| 2020-02-24 | Buy | Hoffman David R. | Other C-suite | 280 | $51.86 | $14.5K | 1 |
| 2018-12-19 | Buy | Zimmerman Richard | CEO | 6,000 | $48.92 | $293.5K | 1 |
| 2018-11-05 | Buy | KLEIN THOMAS | Director | 20,000 | $50.98 | $1.0M | 1 |
| 2018-11-02 | Buy | Hanrahan Daniel J | Director | 15,000 | $51.20 | $768.0K | 1 |
| 2018-11-02 | Buy | Affeldt Eric | Director | 2,000 | $51.44 | $102.9K | 1 |
| 2018-08-06 | Buy | KLEIN THOMAS | Director | 10,000 | $51.17 | $511.7K | 1 |
| 2018-03-14 | Sell | Ouimet Matthew A | Chair | 2,000 | $64.48 | $129.0K | 2 |
| 2018-02-27 | Sell | Ouimet Matthew A | Chair | 4,000 | $67.54 | $270.2K | 2 |
| 2018-01-17 | Sell | Ouimet Matthew A | Chair | 2,000 | $64.69 | $129.4K | 1 |
| 2017-12-20 | Sell | Ouimet Matthew A | CEO | 6,000 | $67.91 | $407.5K | 1 |
| 2017-11-15 | Sell | Ouimet Matthew A | CEO | 4,000 | $66.40 | $265.6K | 1 |
| 2017-09-15 | Sell | Ouimet Matthew A | CEO | 2,000 | $64.90 | $129.8K | 1 |
| 2017-08-24 | Sell | Ouimet Matthew A | CEO | 3,000 | $66.80 | $200.4K | 1 |
| 2017-08-08 | Buy | KLEIN THOMAS | Director | 7,000 | $66.13 | $462.9K | 1 |
| 2017-07-11 | Sell | Ouimet Matthew A | CEO | 9,100 | $68.89 | $626.9K | 2 |
| 2017-06-21 | Sell | Ouimet Matthew A | CEO | 12,000 | $71.20 | $854.4K | 1 |
| 2017-06-15 | Sell | Hoffman David R. | Other C-suite | 2,072 | $70.91 | $146.9K | 1 |
| 2017-06-15 | Buy | Hoffman David R. | Other C-suite | 10 | $70.60 | $706 | 1 |
| 2017-05-16 | Sell | Ouimet Matthew A | CEO | 15,000 | $70.15 | $1.1M | 2 |
| 2017-04-11 | Sell | Ouimet Matthew A | CEO | 9,000 | $68.13 | $613.2K | 1 |
| 2017-03-01 | Sell | SEMMELROTH KELLEY | Other C-suite | 5,419 | $68.48 | $371.1K | 1 |
| 2016-12-15 | Sell | BENDER H PHILLIP | VP | 3,800 | $63.03 | $239.5K | 1 |
| 2016-12-15 | Sell | DECKER ROBERT A | VP | 750 | $63.03 | $47.3K | 1 |