GRIEBENOW JILL (SVP, CAO) exercised options at CBOE GLOBAL MARKETS, INC.

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

M · 4 exercises

GRIEBENOW JILL

Filed: 2/23/2026ACC: 0001750027-26-000003

InsiderGRIEBENOW JILLCIK 1750027

→

IssuerCBOE GLOBAL MARKETS, INC.CIK 1374310

Officer· SVP, CAO

Since Aug 2018

+2.94K

Net shares

Net buyer

$583.8K

Total sold

Open market trades

0B · 0S

Total transactions

9.58K acquired · 6.64K disposed

Non-Derivative Transactions8

Common Stock

Direct

M · Option Exercise

+432.00

Price / share

$286.17

Trade value

$123.63K

% of position

3.0%

2/19/2026

14.52K→14.95K

Common Stock

Direct

F · Tax Withholding

−192.00

Price / share

$286.17

Trade value

$54.94K

% of position

1.3%

2/19/2026

14.95K→14.76K

Common Stock

Direct

M · Option Exercise

+653.00

Price / share

$286.17

Trade value

$186.87K

% of position

4.4%

2/19/2026

14.76K→15.41K

Common Stock

Direct

F · Tax Withholding

−290.00

Price / share

$286.17

Trade value

$82.99K

% of position

1.9%

2/19/2026

15.41K→15.12K

Common Stock

Direct

M · Option Exercise

+1.65K

Price / share

$286.17

Trade value

$472.75K

% of position

10.9%

2/19/2026

15.12K→16.78K

Common Stock

Direct

F · Tax Withholding

−732.00

Price / share

$286.17

Trade value

$209.48K

% of position

4.4%

2/19/2026

16.78K→16.04K

Common Stock

Direct

M · Option Exercise

+1.86K

Price / share

$286.17

Trade value

$533.13K

% of position

11.6%

2/19/2026

16.04K→17.91K

Common Stock

Direct

F · Tax Withholding

−826.00

Price / share

$286.17

Trade value

$236.38K

% of position

4.6%

2/19/2026

17.91K→17.08K

Total

Net shares

+2.56K

Net value

$732.60K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/19/2026	M · Option Exercise	+432.00	$286.17	$123.63K	3.0%	14.52K	14.95K
Common Stock Direct	2/19/2026	F · Tax Withholding	−192.00	$286.17	$54.94K	1.3%	14.95K	14.76K
Common Stock Direct	2/19/2026	M · Option Exercise	+653.00	$286.17	$186.87K	4.4%	14.76K	15.41K
Common Stock Direct	2/19/2026	F · Tax Withholding	−290.00	$286.17	$82.99K	1.9%	15.41K	15.12K
Common Stock Direct	2/19/2026	M · Option Exercise	+1.65K	$286.17	$472.75K	10.9%	15.12K	16.78K
Common Stock Direct	2/19/2026	F · Tax Withholding	−732.00	$286.17	$209.48K	4.4%	16.78K	16.04K
Common Stock Direct	2/19/2026	M · Option Exercise	+1.86K	$286.17	$533.13K	11.6%	16.04K	17.91K
Common Stock Direct	2/19/2026	F · Tax Withholding	−826.00	$286.17	$236.38K	4.6%	17.91K	17.08K
Total			+2.56K		$732.60K

Derivative Transactions5

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

432.00 shares

−432.00

Strike price

Held after

0.00

Exercisable

—

2/19/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

653.00 shares

−653.00

Strike price

Held after

0.00

Exercisable

—

2/19/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.65K shares

−1.65K

Strike price

Held after

1.65K

Exercisable

—

2/19/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.86K shares

−1.86K

Strike price

Held after

3.73K

Exercisable

—

2/19/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

4.98K shares

+4.98K

Strike price

Held after

4.98K

Exercisable

—

2/19/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock432.00 shares	2/19/2026	M · Option Exercise	−432.00	—	0.00
Restricted Stock Units Direct	Common Stock653.00 shares	2/19/2026	M · Option Exercise	−653.00	—	0.00
Restricted Stock Units Direct	Common Stock1.65K shares	2/19/2026	M · Option Exercise	−1.65K	—	1.65K
Restricted Stock Units Direct	Common Stock1.86K shares	2/19/2026	M · Option Exercise	−1.86K	—	3.73K
Restricted Stock Units Direct	Common Stock4.98K shares	2/19/2026	A · Award	+4.98K	—	4.98K