Brian C. Witherow

CIK: 0001301638

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (16.7%)

Compensation grants

Other (G, F, J, C, D, …)5 (83.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

FUN

Six Flags Entertainment Corporation/NEW

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

FUN
Six Flags Entertainment Corporation/NEW
Feb 23, 2026
Tax Payment(F)
Direct
16.5K shares at avg. $18.24$300K
FUN
Six Flags Entertainment Corporation/NEW
Jun 4, 2025
Tax Payment(F)
Direct
11.2K shares at avg. $33.11$372K
FUN
Six Flags Entertainment Corporation/NEW
Mar 31, 2025
Tax Payment(F)
Direct
1.5K shares at avg. $35.42$55K
FUN
Six Flags Entertainment Corporation/NEW
Feb 24, 2025
Tax Payment(F)
Direct
29.5K shares at avg. $45.09$1.3M
FUN
Six Flags Entertainment Corporation/NEW
Feb 5, 2025
Award(A)
Direct
18.7K shares-
FUN
Six Flags Entertainment Corporation/NEW
Dec 4, 2024
Tax Payment(F)
Direct
11.2K shares at avg. $47.21$531K

		Type	Shares	Price		Ownership
Feb 23, 2026	FUN Six Flags Entertainment Corporation/NEW	Tax Payment(F)	16,469	$18.24	$300,395	Direct
Jun 4, 2025	FUN Six Flags Entertainment Corporation/NEW	Tax Payment(F)	11,245	$33.11	$372,322	Direct
Mar 31, 2025	FUN Six Flags Entertainment Corporation/NEW	Tax Payment(F)	1,543	$35.42	$54,653	Direct
Feb 24, 2025	FUN Six Flags Entertainment Corporation/NEW	Tax Payment(F)	29,528	$45.09	$1,331,418	Direct
Feb 5, 2025	FUN Six Flags Entertainment Corporation/NEW	Award(A)	18,729	-	-	Direct
Dec 4, 2024	FUN Six Flags Entertainment Corporation/NEW	Tax Payment(F)	11,245	$47.21	$530,876	Direct

1-6 of 6 transactions

About Witherow Brian C

Witherow Brian C (SEC CIK 0001301638) files insider reports with the SEC as Chief Financial Officer of Six Flags Entertainment Corporation/NEW (FUN).

Signal8 holds 6 ownership filings by Witherow Brian C, all Form 4s, filed between Dec 6, 2024 and Feb 25, 2026. Those filings report 6 transactions, from Dec 4, 2024 to Feb 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Witherow Brian C's filings is in CHARLOTTE, NC.

Recent filings by Witherow Brian C

Feb 23, 2026: Tax withholding of FUN shares (Form 4, code F).
Jun 4, 2025: Tax withholding of FUN shares (Form 4, code F).
Mar 31, 2025: Tax withholding of FUN shares (Form 4, code F).
Feb 24, 2025: Tax withholding of FUN shares (Form 4, code F).
Feb 5, 2025: Grant or award of FUN shares (Form 4, code A).

Other insiders filing for Six Flags Entertainment Corporation/NEW (FUN)

Reilly John T, President & CEO
Walia Ashok, Chief Financial Officer
Hoffman David R., Chief Accounting Officer
Bennett Christopher Lawrence, Chief Legal Officer
Pauls Mark, Chief Operating Officer
Tastepe Tayfun, Chief Digital & Tech Officer

How to read Form 4 transaction codes