WITHEROW BRIAN C

PrivateCIK: 1301638
Location

SANDUSKY, OH

WITHEROW BRIAN C (Chief Financial Officer) reported 1 transaction at SIX FLAGS ENTERTAINMENT CORPORATION/NEW

Review the transaction codes below to understand the nature of each event.

InsiderWITHEROW BRIAN CCIK 1301638
Officer· Chief Financial Officer
Since Feb 2026
-16.47K
Net shares
Net seller
$300.4K
Total sold
0
Open market trades
0B · 0S
1
Total transactions
16.47K disposed
Non-Derivative Transactions1

Common Stock, par value $0.01 per share

Direct
F · Tax Withholding

Shares

16.47K

Price / share

$18.24

Trade value

$300.39K

% of position

5.2%
2/23/2026
314.23K297.76K
Total

Net shares

16.47K

Net value

-$300.39K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock, par value $0.01 per share

Indirect
Shares owned2.40K
Total
2.40K indirect2.40K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
WITHEROW BRIAN C — Insider Transaction (Form 4) Filed Feb 25, 2026 | Finecho