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Who

Brian C. Witherow

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Six Flags Entertainment; Executive VP & CFO, Cedar Fair L P.

Every Form 4 they filed

In numbers

Trades disclosed
81
Buys
4
Sells
0
Bought
$275K
Sold
$0
Companies
2
Companies where not an officer
0
First trade
14 Mar 2006
Last trade
23 Feb 2026
Last filed
25 Feb 2026

Companies traded

Where they are an officer
FUN Six Flags EntertainmentOfficer · Entertainment, Gaming & Leisure Services · last 23 Feb 20260 buys · 0 sells
Cedar Fair L POfficer · last 1 Jul 20244 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
23 Feb 2026filed 25 Feb 2026FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$300K16,469 at $18.24filing
23 Feb 2026filed 25 Feb 2026FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$300K16,469 at $18.24filing
4 Jun 2025filed 5 Jun 2025FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$372K11,245 at $33.11filing
31 Mar 2025filed 2 Apr 2025FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$55K1,543 at $35.42filing
24 Feb 2025filed 26 Feb 2025FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$1.3M29,528 at $45.09filing
5 Feb 2025filed 7 Feb 2025FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code A—18,729 at $0.00filing
4 Dec 2024filed 6 Dec 2024FUN Six Flags EntertainmentEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$531K11,245 at $47.21filing
1 Jul 2024filed 1 Jul 2024Cedar Fair L PSEC FORM 4 Code D—188,249filing
1 Jul 2024filed 1 Jul 2024Cedar Fair L PSEC FORM 4 Code D—2,399filing
28 Mar 2024filed 29 Mar 2024Cedar Fair L PSEC FORM 4 Code A—10,490filing
26 Feb 2024filed 28 Feb 2024Cedar Fair L PSEC FORM 4 Code F$158K4,014 at $39.24filing
26 Feb 2024filed 28 Feb 2024Cedar Fair L PSEC FORM 4 Code A—11,239 at $0.00filing
26 Feb 2024filed 28 Feb 2024Cedar Fair L PSEC FORM 4 Code F$196K4,985 at $39.24filing
27 Feb 2023filed 1 Mar 2023Cedar Fair L PSEC FORM 4 Code F$169K3,659 at $46.30filing
20 Feb 2023filed 22 Feb 2023Cedar Fair L Poption or derivativeSEC FORM 4 Code M—27,092 at $0.00filing
20 Feb 2023filed 22 Feb 2023Cedar Fair L PSEC FORM 4 Code M$1.0M27,092 at $36.95filing
20 Feb 2023filed 22 Feb 2023Cedar Fair L PSEC FORM 4 Code F$1.1M24,548 at $44.95filing
9 Feb 2023filed 13 Feb 2023Cedar Fair L PSEC FORM 4 Code A—10,028filing
21 Mar 2022filed 23 Mar 2022Cedar Fair L Poption or derivativeSEC FORM 4 Code M—17,786 at $0.00filing
21 Mar 2022filed 23 Mar 2022Cedar Fair L PSEC FORM 4 Code M$525K17,786 at $29.53filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed4

Buys in green, sells in red, by the company’s sector.

Related people

John T. ReillyPresident & CEO · President & CEO at Six Flags Entertainment Corporation/NEW, filing Form 4 there in the last year
David R. HoffmanChief Accounting Officer · Chief Accounting Officer at Six Flags Entertainment Corporation/NEW, filing Form 4 there in the last year
Ashok WaliaChief Financial Officer · Chief Financial Officer at Six Flags Entertainment Corporation/NEW, filing Form 4 there in the last year
Christopher Lawrence BennettChief Legal Officer · Chief Legal Officer at Six Flags Entertainment Corporation/NEW, filing Form 4 there in the last year
Ziegenfuss Amy MartinChief Marketing Officer · Chief Marketing Officer at Six Flags Entertainment Corporation/NEW, filing Form 4 there in the last year