KOESTER JENNIFER

PrivateCIK: 2008791
Location

NEW YORK, NY

KOESTER JENNIFER (President & COO, Sphere) exercised options at SPHERE ENTERTAINMENT CO.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderKOESTER JENNIFERCIK 2008791
IssuerSPHERE ENTERTAINMENT CO.CIK 1795250
Officer· President & COO, Sphere
Since Mar 2026
-8.81K
Net shares
Net seller
$931.0K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
17.25K acquired · 26.06K disposed
Non-Derivative Transactions2

Class A Common Stock

Direct
M · Option Exercise

Shares

+17.25K

Price / share

Trade value

% of position

76.8%
3/13/2026
22.47K39.73K

Class A Common Stock

Direct
F · Tax Withholding

Shares

8.81K

Price / share

$105.70

Trade value

$931.01K

% of position

22.2%
3/13/2026
39.73K30.92K
Total

Net shares

+8.45K

Net value

-$931.01K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Class A Common Stock

17.25K shares

Shares

17.25K

Strike price

Held after

34.51K

Exercisable

3/13/2026
KOESTER JENNIFER — Insider Transaction (Form 4) Filed Mar 17, 2026 | Finecho